diff --git a/packages/drizzle-pkg/db.sqlite b/packages/drizzle-pkg/db.sqlite
index ed7f57f..5f707af 100644
Binary files a/packages/drizzle-pkg/db.sqlite and b/packages/drizzle-pkg/db.sqlite differ
diff --git a/packages/drizzle-pkg/seed.ts b/packages/drizzle-pkg/seed.ts
index 1546b45..a0060ef 100644
--- a/packages/drizzle-pkg/seed.ts
+++ b/packages/drizzle-pkg/seed.ts
@@ -163,6 +163,66 @@ const TOOLS_SEED: ToolSeed[] = [
     adminOnly: 0,
     sortOrder: 90,
   },
+  {
+    id: "tool_hash",
+    name: "hash",
+    slug: "hash",
+    description: "Compute hash (md5/sha1/sha256/sha512) or compare hashes",
+    type: "hash",
+    config: { defaultAlgorithm: "sha256", uppercase: false },
+    enabled: 1,
+    needsApproval: 0,
+    adminOnly: 0,
+    sortOrder: 100,
+  },
+  {
+    id: "tool_color",
+    name: "color",
+    slug: "color",
+    description: "Color conversion (hex/rgb/hsl), random color, mix colors, WCAG contrast",
+    type: "color",
+    config: { defaultFormat: "hex" },
+    enabled: 1,
+    needsApproval: 0,
+    adminOnly: 0,
+    sortOrder: 110,
+  },
+  {
+    id: "tool_dice",
+    name: "dice",
+    slug: "dice",
+    description: "Roll dice, flip coin, pick from list, or play rock-paper-scissors",
+    type: "dice",
+    config: { defaultSides: 6 },
+    enabled: 1,
+    needsApproval: 0,
+    adminOnly: 0,
+    sortOrder: 120,
+  },
+  {
+    id: "tool_magic_8ball",
+    name: "magic-8ball",
+    slug: "magic-8ball",
+    description: "Magic 8-Ball fortune telling and daily fortune",
+    type: "magic-8ball",
+    config: { language: "zh" },
+    enabled: 1,
+    needsApproval: 0,
+    adminOnly: 0,
+    sortOrder: 130,
+  },
+  {
+    id: "tool_guess_who",
+    name: "guess-who",
+    slug: "guess-who",
+    description: "Guess who game - AI guesses your character or you guess AI's character",
+    type: "guess-who",
+    config: { language: "zh", maxQuestions: 20, difficulty: "medium" },
+    enabled: 1,
+    needsApproval: 0,
+    adminOnly: 0,
+    sortOrder: 140,
+  },
 ];
 
 async function seedTools() {
diff --git a/server/service/agent-tool/executors/color/color.ts b/server/service/agent-tool/executors/color/color.ts
new file mode 100644
index 0000000..b23d958
--- /dev/null
+++ b/server/service/agent-tool/executors/color/color.ts
@@ -0,0 +1,406 @@
+import { z } from "zod";
+import type { JSONSchema7 } from "json-schema";
+import type { ToolExecutor, ToolContext, ToolResult } from "../../registry";
+import type { ColorToolConfig } from "./config";
+
+export const colorInputSchema = z.object({
+  operation: z
+    .enum(["convert", "random", "info", "mix", "contrast"])
+    .describe(
+      "操作类型: convert=格式转换, random=随机颜色, info=颜色信息, mix=混合颜色, contrast=对比度检测",
+    ),
+  color: z
+    .string()
+    .optional()
+    .describe("输入颜色，支持 hex(#ff0000)、rgb(255,0,0)、hsl(0,100%,50%) 格式"),
+  targetFormat: z
+    .enum(["hex", "rgb", "hsl"])
+    .optional()
+    .describe("convert 操作的目标格式"),
+  color2: z
+    .string()
+    .optional()
+    .describe("mix 操作的第二个颜色"),
+  ratio: z
+    .number()
+    .min(0)
+    .max(1)
+    .optional()
+    .describe("mix 操作的混合比例 (0=全用color, 1=全用color2)"),
+});
+
+type ColorInput = z.infer<typeof colorInputSchema>;
+
+interface RGB {
+  r: number;
+  g: number;
+  b: number;
+}
+
+interface HSL {
+  h: number;
+  s: number;
+  l: number;
+}
+
+function parseColor(input: string): RGB {
+  const trimmed = input.trim().toLowerCase();
+
+  const hexMatch = trimmed.match(/^#?([0-9a-f]{6}|[0-9a-f]{3})$/);
+  if (hexMatch?.[1]) {
+    let hex: string = hexMatch[1];
+    if (hex.length === 3) {
+      hex = hex
+        .split("")
+        .map((c) => c + c)
+        .join("");
+    }
+    return {
+      r: parseInt(hex.slice(0, 2), 16),
+      g: parseInt(hex.slice(2, 4), 16),
+      b: parseInt(hex.slice(4, 6), 16),
+    };
+  }
+
+  const rgbMatch = trimmed.match(
+    /^rgba?\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)/,
+  );
+  if (rgbMatch?.[1] && rgbMatch[2] && rgbMatch[3]) {
+    return {
+      r: parseInt(rgbMatch[1]),
+      g: parseInt(rgbMatch[2]),
+      b: parseInt(rgbMatch[3]),
+    };
+  }
+
+  const hslMatch = trimmed.match(
+    /^hsla?\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%/,
+  );
+  if (hslMatch?.[1] && hslMatch[2] && hslMatch[3]) {
+    return hslToRgb(
+      parseInt(hslMatch[1]),
+      parseInt(hslMatch[2]),
+      parseInt(hslMatch[3]),
+    );
+  }
+
+  throw new Error(`无法解析颜色: ${input}`);
+}
+
+function rgbToHex(rgb: RGB): string {
+  const toHex = (n: number) =>
+    Math.round(Math.max(0, Math.min(255, n)))
+      .toString(16)
+      .padStart(2, "0");
+  return `#${toHex(rgb.r)}${toHex(rgb.g)}${toHex(rgb.b)}`;
+}
+
+function rgbToHsl(rgb: RGB): HSL {
+  const r = rgb.r / 255;
+  const g = rgb.g / 255;
+  const b = rgb.b / 255;
+
+  const max = Math.max(r, g, b);
+  const min = Math.min(r, g, b);
+  const delta = max - min;
+  const l = (max + min) / 2;
+
+  let h = 0;
+  let s = 0;
+
+  if (delta !== 0) {
+    s = delta / (1 - Math.abs(2 * l - 1));
+
+    switch (max) {
+      case r:
+        h = ((g - b) / delta) % 6;
+        break;
+      case g:
+        h = (b - r) / delta + 2;
+        break;
+      case b:
+        h = (r - g) / delta + 4;
+        break;
+    }
+    h *= 60;
+    if (h < 0) h += 360;
+  }
+
+  return { h: Math.round(h), s: Math.round(s * 100), l: Math.round(l * 100) };
+}
+
+function hslToRgb(h: number, s: number, l: number): RGB {
+  const sNorm = s / 100;
+  const lNorm = l / 100;
+  const c = (1 - Math.abs(2 * lNorm - 1)) * sNorm;
+  const x = c * (1 - Math.abs(((h / 60) % 2) - 1));
+  const m = lNorm - c / 2;
+
+  let r = 0;
+  let g = 0;
+  let b = 0;
+
+  if (h < 60) {
+    r = c;
+    g = x;
+  } else if (h < 120) {
+    r = x;
+    g = c;
+  } else if (h < 180) {
+    g = c;
+    b = x;
+  } else if (h < 240) {
+    g = x;
+    b = c;
+  } else if (h < 300) {
+    r = x;
+    b = c;
+  } else {
+    r = c;
+    b = x;
+  }
+
+  return {
+    r: Math.round((r + m) * 255),
+    g: Math.round((g + m) * 255),
+    b: Math.round((b + m) * 255),
+  };
+}
+
+function formatColor(rgb: RGB, format: "hex" | "rgb" | "hsl"): string {
+  switch (format) {
+    case "hex":
+      return rgbToHex(rgb);
+    case "rgb":
+      return `rgb(${rgb.r}, ${rgb.g}, ${rgb.b})`;
+    case "hsl": {
+      const hsl = rgbToHsl(rgb);
+      return `hsl(${hsl.h}, ${hsl.s}%, ${hsl.l}%)`;
+    }
+  }
+}
+
+function relativeLuminance(rgb: RGB): number {
+  const channel = (c: number) => {
+    const s = c / 255;
+    return s <= 0.03928 ? s / 12.92 : Math.pow((s + 0.055) / 1.055, 2.4);
+  };
+  return 0.2126 * channel(rgb.r) + 0.7152 * channel(rgb.g) + 0.0722 * channel(rgb.b);
+}
+
+function contrastRatio(rgb1: RGB, rgb2: RGB): number {
+  const l1 = relativeLuminance(rgb1);
+  const l2 = relativeLuminance(rgb2);
+  const lighter = Math.max(l1, l2);
+  const darker = Math.min(l1, l2);
+  return (lighter + 0.05) / (darker + 0.05);
+}
+
+function mixColors(c1: RGB, c2: RGB, ratio: number): RGB {
+  const r = Math.round(c1.r * (1 - ratio) + c2.r * ratio);
+  const g = Math.round(c1.g * (1 - ratio) + c2.g * ratio);
+  const b = Math.round(c1.b * (1 - ratio) + c2.b * ratio);
+  return { r, g, b };
+}
+
+function randomColor(): RGB {
+  return {
+    r: Math.floor(Math.random() * 256),
+    g: Math.floor(Math.random() * 256),
+    b: Math.floor(Math.random() * 256),
+  };
+}
+
+function colorName(rgb: RGB): string {
+  const hsl = rgbToHsl(rgb);
+  if (hsl.l < 10) return "黑色";
+  if (hsl.l > 90) return "白色";
+  if (hsl.s < 10) {
+    if (hsl.l < 30) return "深灰";
+    if (hsl.l < 70) return "灰色";
+    return "浅灰";
+  }
+  const hueNames: [number, string][] = [
+    [15, "红色"],
+    [45, "橙色"],
+    [70, "黄色"],
+    [150, "绿色"],
+    [200, "青色"],
+    [260, "蓝色"],
+    [290, "紫色"],
+    [330, "品红"],
+    [360, "红色"],
+  ];
+  for (const [bound, name] of hueNames) {
+    if (hsl.h <= bound) return name;
+  }
+  return "红色";
+}
+
+export const colorExecutor: ToolExecutor<ColorToolConfig> = {
+  buildInputSchema(_config: ColorToolConfig): JSONSchema7 {
+    return {
+      type: "object",
+      properties: {
+        operation: {
+          type: "string",
+          enum: ["convert", "random", "info", "mix", "contrast"],
+          description:
+            "操作类型: convert=格式转换, random=随机颜色, info=颜色信息, mix=混合颜色, contrast=对比度检测",
+        },
+        color: {
+          type: "string",
+          description: "输入颜色，支持 hex/rgb/hsl 格式",
+        },
+        targetFormat: {
+          type: "string",
+          enum: ["hex", "rgb", "hsl"],
+          description: "convert 操作的目标格式",
+        },
+        color2: { type: "string", description: "mix 操作的第二个颜色" },
+        ratio: {
+          type: "number",
+          minimum: 0,
+          maximum: 1,
+          description: "mix 操作的混合比例",
+        },
+      },
+      required: ["operation"],
+    };
+  },
+
+  buildDescription(config: ColorToolConfig): string {
+    return `颜色工具。支持 hex/rgb/hsl 格式互转、随机颜色生成、颜色信息查询、颜色混合、WCAG 对比度检测。默认输出格式: ${config.defaultFormat}。`;
+  },
+
+  async execute(
+    input: unknown,
+    config: ColorToolConfig,
+    _ctx: ToolContext,
+  ): Promise<ToolResult> {
+    const start = Date.now();
+
+    const parsed = colorInputSchema.safeParse(input);
+    if (!parsed.success) {
+      return {
+        success: false,
+        data: null,
+        error: `输入参数校验失败: ${parsed.error.message}`,
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+
+    const inp = parsed.data as ColorInput;
+
+    try {
+      switch (inp.operation) {
+        case "convert": {
+          if (!inp.color) throw new Error("convert 操作需要 color 参数");
+          const targetFormat = inp.targetFormat ?? config.defaultFormat;
+          const rgb = parseColor(inp.color);
+          const result = formatColor(rgb, targetFormat);
+          return {
+            success: true,
+            data: {
+              original: inp.color,
+              converted: result,
+              format: targetFormat,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "random": {
+          const rgb = randomColor();
+          const targetFormat = inp.targetFormat ?? config.defaultFormat;
+          return {
+            success: true,
+            data: {
+              hex: rgbToHex(rgb),
+              rgb: `rgb(${rgb.r}, ${rgb.g}, ${rgb.b})`,
+              hsl: (() => {
+                const hsl = rgbToHsl(rgb);
+                return `hsl(${hsl.h}, ${hsl.s}%, ${hsl.l}%)`;
+              })(),
+              default: formatColor(rgb, targetFormat),
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "info": {
+          if (!inp.color) throw new Error("info 操作需要 color 参数");
+          const rgb = parseColor(inp.color);
+          const hsl = rgbToHsl(rgb);
+          const luminance = relativeLuminance(rgb);
+          return {
+            success: true,
+            data: {
+              input: inp.color,
+              hex: rgbToHex(rgb),
+              rgb: `rgb(${rgb.r}, ${rgb.g}, ${rgb.b})`,
+              hsl: `hsl(${hsl.h}, ${hsl.s}%, ${hsl.l}%)`,
+              name: colorName(rgb),
+              luminance: Math.round(luminance * 100) / 100,
+              brightness: luminance > 0.5 ? "亮色" : "暗色",
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "mix": {
+          if (!inp.color || !inp.color2)
+            throw new Error("mix 操作需要 color 和 color2 参数");
+          const ratio = inp.ratio ?? 0.5;
+          const c1 = parseColor(inp.color);
+          const c2 = parseColor(inp.color2);
+          const mixed = mixColors(c1, c2, ratio);
+          const targetFormat = inp.targetFormat ?? config.defaultFormat;
+          return {
+            success: true,
+            data: {
+              color1: formatColor(c1, targetFormat),
+              color2: formatColor(c2, targetFormat),
+              ratio,
+              mixed: formatColor(mixed, targetFormat),
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "contrast": {
+          if (!inp.color || !inp.color2)
+            throw new Error("contrast 操作需要 color 和 color2 参数");
+          const c1 = parseColor(inp.color);
+          const c2 = parseColor(inp.color2);
+          const ratio = contrastRatio(c1, c2);
+          let grade: string;
+          if (ratio >= 7) grade = "AAA（优秀）";
+          else if (ratio >= 4.5) grade = "AA（合格）";
+          else if (ratio >= 3) grade = "AA Large（大文本合格）";
+          else grade = "不达标";
+          return {
+            success: true,
+            data: {
+              color1: rgbToHex(c1),
+              color2: rgbToHex(c2),
+              ratio: Math.round(ratio * 100) / 100,
+              grade,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        default:
+          throw new Error(`未知操作: ${inp.operation}`);
+      }
+    } catch (e) {
+      return {
+        success: false,
+        data: null,
+        error: e instanceof Error ? e.message : String(e),
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+  },
+};
diff --git a/server/service/agent-tool/executors/color/config.ts b/server/service/agent-tool/executors/color/config.ts
new file mode 100644
index 0000000..3bebe0c
--- /dev/null
+++ b/server/service/agent-tool/executors/color/config.ts
@@ -0,0 +1,22 @@
+import { z } from "zod";
+
+export const colorConfigSchema = z.object({
+  defaultFormat: z
+    .enum(["hex", "rgb", "hsl"])
+    .default("hex")
+    .describe("默认输出颜色格式"),
+});
+
+export type ColorToolConfig = z.infer<typeof colorConfigSchema>;
+
+export const DEFAULT_COLOR_CONFIG: ColorToolConfig = {
+  defaultFormat: "hex",
+};
+
+export function parseColorConfig(raw: unknown): ColorToolConfig {
+  const parsed = colorConfigSchema.safeParse(raw);
+  if (!parsed.success) {
+    throw new Error(`Invalid color config: ${parsed.error.message}`);
+  }
+  return parsed.data;
+}
diff --git a/server/service/agent-tool/executors/dice/config.ts b/server/service/agent-tool/executors/dice/config.ts
new file mode 100644
index 0000000..1cd0d62
--- /dev/null
+++ b/server/service/agent-tool/executors/dice/config.ts
@@ -0,0 +1,19 @@
+import { z } from "zod";
+
+export const diceConfigSchema = z.object({
+  defaultSides: z.number().int().min(2).max(1000).default(6).describe("默认骰子面数"),
+});
+
+export type DiceToolConfig = z.infer<typeof diceConfigSchema>;
+
+export const DEFAULT_DICE_CONFIG: DiceToolConfig = {
+  defaultSides: 6,
+};
+
+export function parseDiceConfig(raw: unknown): DiceToolConfig {
+  const parsed = diceConfigSchema.safeParse(raw);
+  if (!parsed.success) {
+    throw new Error(`Invalid dice config: ${parsed.error.message}`);
+  }
+  return parsed.data;
+}
diff --git a/server/service/agent-tool/executors/dice/dice.ts b/server/service/agent-tool/executors/dice/dice.ts
new file mode 100644
index 0000000..a030d00
--- /dev/null
+++ b/server/service/agent-tool/executors/dice/dice.ts
@@ -0,0 +1,233 @@
+import { z } from "zod";
+import { randomBytes } from "node:crypto";
+import type { JSONSchema7 } from "json-schema";
+import type { ToolExecutor, ToolContext, ToolResult } from "../../registry";
+import type { DiceToolConfig } from "./config";
+
+export const diceInputSchema = z.object({
+  operation: z
+    .enum(["roll", "coin", "pick", "rps"])
+    .describe(
+      "操作类型: roll=掷骰子, coin=抛硬币, pick=从列表中随机抽取, rps=石头剪刀布",
+    ),
+  sides: z
+    .number()
+    .int()
+    .min(2)
+    .max(1000)
+    .optional()
+    .describe("roll 操作的骰子面数，默认使用配置值"),
+  count: z
+    .number()
+    .int()
+    .min(1)
+    .max(100)
+    .optional()
+    .describe("roll 操作的骰子数量，默认1个"),
+  items: z
+    .array(z.string())
+    .min(2)
+    .max(100)
+    .optional()
+    .describe("pick 操作的候选列表"),
+  pickCount: z
+    .number()
+    .int()
+    .min(1)
+    .max(50)
+    .optional()
+    .describe("pick 操作要抽取的数量，默认1个"),
+  choice: z
+    .enum(["rock", "paper", "scissors"])
+    .optional()
+    .describe("rps 操作中用户的选择"),
+});
+
+type DiceInput = z.infer<typeof diceInputSchema>;
+
+function secureRandomInt(max: number): number {
+  if (max <= 0) throw new Error("max must be positive");
+  const bytesNeeded = Math.ceil(Math.log2(max) / 8);
+  const maxValid = Math.floor(Math.pow(256, bytesNeeded) / max) * max;
+  const buf = randomBytes(bytesNeeded);
+  let val = 0;
+  for (let i = 0; i < bytesNeeded; i++) {
+    val = val * 256 + (buf[i] ?? 0);
+  }
+  if (val < maxValid) {
+    return val % max;
+  }
+  return secureRandomInt(max);
+}
+
+export const diceExecutor: ToolExecutor<DiceToolConfig> = {
+  buildInputSchema(_config: DiceToolConfig): JSONSchema7 {
+    return {
+      type: "object",
+      properties: {
+        operation: {
+          type: "string",
+          enum: ["roll", "coin", "pick", "rps"],
+          description:
+            "操作类型: roll=掷骰子, coin=抛硬币, pick=从列表中随机抽取, rps=石头剪刀布",
+        },
+        sides: { type: "number", description: "roll 操作的骰子面数" },
+        count: { type: "number", description: "roll 操作的骰子数量" },
+        items: {
+          type: "array",
+          items: { type: "string" },
+          description: "pick 操作的候选列表",
+        },
+        pickCount: { type: "number", description: "pick 操作要抽取的数量" },
+        choice: {
+          type: "string",
+          enum: ["rock", "paper", "scissors"],
+          description: "rps 操作中用户的选择",
+        },
+      },
+      required: ["operation"],
+    };
+  },
+
+  buildDescription(config: DiceToolConfig): string {
+    return `随机决策工具。支持掷骰子（默认${config.defaultSides}面）、抛硬币、从列表随机抽取、石头剪刀布。使用加密级随机数。`;
+  },
+
+  async execute(
+    input: unknown,
+    config: DiceToolConfig,
+    _ctx: ToolContext,
+  ): Promise<ToolResult> {
+    const start = Date.now();
+
+    const parsed = diceInputSchema.safeParse(input);
+    if (!parsed.success) {
+      return {
+        success: false,
+        data: null,
+        error: `输入参数校验失败: ${parsed.error.message}`,
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+
+    const inp = parsed.data as DiceInput;
+
+    try {
+      switch (inp.operation) {
+        case "roll": {
+          const sides = inp.sides ?? config.defaultSides;
+          const count = inp.count ?? 1;
+          const results: number[] = [];
+          for (let i = 0; i < count; i++) {
+            results.push(secureRandomInt(sides) + 1);
+          }
+          const total = results.reduce((a, b) => a + b, 0);
+          return {
+            success: true,
+            data: {
+              sides,
+              count,
+              results,
+              total,
+              max: sides * count,
+              min: count,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "coin": {
+          const result = secureRandomInt(2) === 0 ? "正面" : "反面";
+          return {
+            success: true,
+            data: { result, emoji: result === "正面" ? "🪙" : "🌑" },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "pick": {
+          if (!inp.items || inp.items.length < 2) {
+            throw new Error("pick 操作需要 items 参数（至少2项）");
+          }
+          const pickCount = Math.min(
+            inp.pickCount ?? 1,
+            inp.items.length,
+          );
+          const pool = [...inp.items];
+          const picked: string[] = [];
+          for (let i = 0; i < pickCount; i++) {
+            const idx = secureRandomInt(pool.length);
+            const item = pool[idx];
+            if (item) picked.push(item);
+            pool.splice(idx, 1);
+          }
+          return {
+            success: true,
+            data: {
+              from: inp.items,
+              picked,
+              pickCount,
+              unique: pickCount === inp.items.length ? "全部抽完" : "部分抽取",
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "rps": {
+          const choices = ["rock", "paper", "scissors"] as const;
+          const choiceNames = { rock: "石头", paper: "布", scissors: "剪刀" };
+          const choiceEmojis = { rock: "🪨", paper: "📄", scissors: "✂️" };
+          const aiChoice = choices[secureRandomInt(3)] ?? "rock";
+          const userChoice = inp.choice;
+
+          if (!userChoice) {
+            return {
+              success: true,
+              data: {
+                aiChoice: choiceNames[aiChoice],
+                aiEmoji: choiceEmojis[aiChoice],
+                message: "请提供你的选择（rock/paper/scissors）来对战",
+              },
+              metadata: { durationMs: Date.now() - start },
+            };
+          }
+
+          let outcome: string;
+          if (userChoice === aiChoice) {
+            outcome = "平局";
+          } else if (
+            (userChoice === "rock" && aiChoice === "scissors") ||
+            (userChoice === "paper" && aiChoice === "rock") ||
+            (userChoice === "scissors" && aiChoice === "paper")
+          ) {
+            outcome = "你赢了";
+          } else {
+            outcome = "你输了";
+          }
+
+          return {
+            success: true,
+            data: {
+              yourChoice: choiceNames[userChoice],
+              yourEmoji: choiceEmojis[userChoice],
+              aiChoice: choiceNames[aiChoice],
+              aiEmoji: choiceEmojis[aiChoice],
+              outcome,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        default:
+          throw new Error(`未知操作: ${inp.operation}`);
+      }
+    } catch (e) {
+      return {
+        success: false,
+        data: null,
+        error: e instanceof Error ? e.message : String(e),
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+  },
+};
diff --git a/server/service/agent-tool/executors/hash/config.ts b/server/service/agent-tool/executors/hash/config.ts
new file mode 100644
index 0000000..38a4be6
--- /dev/null
+++ b/server/service/agent-tool/executors/hash/config.ts
@@ -0,0 +1,24 @@
+import { z } from "zod";
+
+export const hashConfigSchema = z.object({
+  defaultAlgorithm: z
+    .enum(["md5", "sha1", "sha256", "sha512"])
+    .default("sha256")
+    .describe("默认哈希算法"),
+  uppercase: z.boolean().default(false).describe("输出是否大写"),
+});
+
+export type HashToolConfig = z.infer<typeof hashConfigSchema>;
+
+export const DEFAULT_HASH_CONFIG: HashToolConfig = {
+  defaultAlgorithm: "sha256",
+  uppercase: false,
+};
+
+export function parseHashConfig(raw: unknown): HashToolConfig {
+  const parsed = hashConfigSchema.safeParse(raw);
+  if (!parsed.success) {
+    throw new Error(`Invalid hash config: ${parsed.error.message}`);
+  }
+  return parsed.data;
+}
diff --git a/server/service/agent-tool/executors/hash/hash.ts b/server/service/agent-tool/executors/hash/hash.ts
new file mode 100644
index 0000000..84635dd
--- /dev/null
+++ b/server/service/agent-tool/executors/hash/hash.ts
@@ -0,0 +1,127 @@
+import { z } from "zod";
+import { createHash } from "node:crypto";
+import type { JSONSchema7 } from "json-schema";
+import type { ToolExecutor, ToolContext, ToolResult } from "../../registry";
+import type { HashToolConfig } from "./config";
+
+export const hashInputSchema = z.object({
+  operation: z
+    .enum(["hash", "compare"])
+    .describe("操作类型: hash=计算哈希, compare=比较哈希值"),
+  text: z
+    .string()
+    .min(1)
+    .max(100000)
+    .describe("要计算哈希的文本内容"),
+  algorithm: z
+    .enum(["md5", "sha1", "sha256", "sha512"])
+    .optional()
+    .describe("哈希算法，不传则使用配置默认值"),
+  expectedHash: z
+    .string()
+    .optional()
+    .describe("compare 操作时，要对比的期望哈希值"),
+});
+
+type HashInput = z.infer<typeof hashInputSchema>;
+
+function computeHash(text: string, algorithm: string, uppercase: boolean): string {
+  const hash = createHash(algorithm).update(text, "utf8").digest("hex");
+  return uppercase ? hash.toUpperCase() : hash;
+}
+
+export const hashExecutor: ToolExecutor<HashToolConfig> = {
+  buildInputSchema(_config: HashToolConfig): JSONSchema7 {
+    return {
+      type: "object",
+      properties: {
+        operation: {
+          type: "string",
+          enum: ["hash", "compare"],
+          description: "操作类型: hash=计算哈希, compare=比较哈希值",
+        },
+        text: { type: "string", description: "要计算哈希的文本内容" },
+        algorithm: {
+          type: "string",
+          enum: ["md5", "sha1", "sha256", "sha512"],
+          description: "哈希算法",
+        },
+        expectedHash: { type: "string", description: "compare 操作的期望哈希值" },
+      },
+      required: ["operation", "text"],
+    };
+  },
+
+  buildDescription(config: HashToolConfig): string {
+    return `哈希计算工具。支持 md5、sha1、sha256、sha512 算法。可计算文本哈希值或对比哈希是否匹配。默认算法: ${config.defaultAlgorithm}，输出${config.uppercase ? "大写" : "小写"}。`;
+  },
+
+  async execute(
+    input: unknown,
+    config: HashToolConfig,
+    _ctx: ToolContext,
+  ): Promise<ToolResult> {
+    const start = Date.now();
+
+    const parsed = hashInputSchema.safeParse(input);
+    if (!parsed.success) {
+      return {
+        success: false,
+        data: null,
+        error: `输入参数校验失败: ${parsed.error.message}`,
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+
+    const inp = parsed.data as HashInput;
+    const algorithm = inp.algorithm ?? config.defaultAlgorithm;
+
+    try {
+      switch (inp.operation) {
+        case "hash": {
+          const hashValue = computeHash(inp.text, algorithm, config.uppercase);
+          return {
+            success: true,
+            data: {
+              algorithm,
+              inputLength: inp.text.length,
+              hash: hashValue,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "compare": {
+          if (!inp.expectedHash) {
+            throw new Error("compare 操作需要 expectedHash 参数");
+          }
+          const actualHash = computeHash(inp.text, algorithm, config.uppercase);
+          const expected = config.uppercase
+            ? inp.expectedHash.toUpperCase()
+            : inp.expectedHash.toLowerCase();
+          const matched = actualHash === expected;
+          return {
+            success: true,
+            data: {
+              algorithm,
+              matched,
+              actualHash,
+              expectedHash: expected,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        default:
+          throw new Error(`未知操作: ${inp.operation}`);
+      }
+    } catch (e) {
+      return {
+        success: false,
+        data: null,
+        error: e instanceof Error ? e.message : String(e),
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+  },
+};
diff --git a/server/service/agent-tool/executors/magic-8ball/config.ts b/server/service/agent-tool/executors/magic-8ball/config.ts
new file mode 100644
index 0000000..58bc6e2
--- /dev/null
+++ b/server/service/agent-tool/executors/magic-8ball/config.ts
@@ -0,0 +1,22 @@
+import { z } from "zod";
+
+export const magic8ballConfigSchema = z.object({
+  language: z
+    .enum(["zh", "en"])
+    .default("zh")
+    .describe("回答语言"),
+});
+
+export type Magic8ballToolConfig = z.infer<typeof magic8ballConfigSchema>;
+
+export const DEFAULT_MAGIC8BALL_CONFIG: Magic8ballToolConfig = {
+  language: "zh",
+};
+
+export function parseMagic8ballConfig(raw: unknown): Magic8ballToolConfig {
+  const parsed = magic8ballConfigSchema.safeParse(raw);
+  if (!parsed.success) {
+    throw new Error(`Invalid magic-8ball config: ${parsed.error.message}`);
+  }
+  return parsed.data;
+}
diff --git a/server/service/agent-tool/executors/magic-8ball/magic-8ball.ts b/server/service/agent-tool/executors/magic-8ball/magic-8ball.ts
new file mode 100644
index 0000000..9983e07
--- /dev/null
+++ b/server/service/agent-tool/executors/magic-8ball/magic-8ball.ts
@@ -0,0 +1,246 @@
+import { z } from "zod";
+import { randomBytes } from "node:crypto";
+import type { JSONSchema7 } from "json-schema";
+import type { ToolExecutor, ToolContext, ToolResult } from "../../registry";
+import type { Magic8ballToolConfig } from "./config";
+
+export const magic8ballInputSchema = z.object({
+  operation: z
+    .enum(["ask", "fortune"])
+    .describe("操作类型: ask=魔法八球问答, fortune=今日运势"),
+  question: z
+    .string()
+    .min(1)
+    .max(500)
+    .optional()
+    .describe("ask 操作的问题（是非题）"),
+});
+
+type Magic8ballInput = z.infer<typeof magic8ballInputSchema>;
+
+const ANSWERS_ZH = [
+  { text: "毫无疑问，是的", tone: "positive", emoji: "✅" },
+  { text: "非常确定", tone: "positive", emoji: "✅" },
+  { text: "毫无疑问", tone: "positive", emoji: "✅" },
+  { text: "是的，必须的", tone: "positive", emoji: "✅" },
+  { text: "你可以依赖它", tone: "positive", emoji: "✅" },
+  { text: "如我所见，是的", tone: "positive", emoji: "✅" },
+  { text: "很可能", tone: "positive", emoji: "✅" },
+  { text: "前景乐观", tone: "positive", emoji: "✅" },
+  { text: "迹象指向是的", tone: "positive", emoji: "✅" },
+  { text: "是的", tone: "positive", emoji: "✅" },
+  { text: "回答模糊，再试一次", tone: "neutral", emoji: "🤔" },
+  { text: "稍后再问", tone: "neutral", emoji: "🤔" },
+  { text: "现在最好不告诉你", tone: "neutral", emoji: "🤔" },
+  { text: "现在无法预测", tone: "neutral", emoji: "🤔" },
+  { text: "集中注意力再问", tone: "neutral", emoji: "🤔" },
+  { text: "不要指望它", tone: "negative", emoji: "❌" },
+  { text: "我的回答是否定的", tone: "negative", emoji: "❌" },
+  { text: "我的消息来源说不是", tone: "negative", emoji: "❌" },
+  { text: "前景不太乐观", tone: "negative", emoji: "❌" },
+  { text: "非常值得怀疑", tone: "negative", emoji: "❌" },
+];
+
+const ANSWERS_EN = [
+  { text: "It is certain", tone: "positive", emoji: "✅" },
+  { text: "It is decidedly so", tone: "positive", emoji: "✅" },
+  { text: "Without a doubt", tone: "positive", emoji: "✅" },
+  { text: "Yes definitely", tone: "positive", emoji: "✅" },
+  { text: "You may rely on it", tone: "positive", emoji: "✅" },
+  { text: "As I see it, yes", tone: "positive", emoji: "✅" },
+  { text: "Most likely", tone: "positive", emoji: "✅" },
+  { text: "Outlook good", tone: "positive", emoji: "✅" },
+  { text: "Signs point to yes", tone: "positive", emoji: "✅" },
+  { text: "Yes", tone: "positive", emoji: "✅" },
+  { text: "Reply hazy try again", tone: "neutral", emoji: "🤔" },
+  { text: "Ask again later", tone: "neutral", emoji: "🤔" },
+  { text: "Better not tell you now", tone: "neutral", emoji: "🤔" },
+  { text: "Cannot predict now", tone: "neutral", emoji: "🤔" },
+  { text: "Concentrate and ask again", tone: "neutral", emoji: "🤔" },
+  { text: "Don't count on it", tone: "negative", emoji: "❌" },
+  { text: "My reply is no", tone: "negative", emoji: "❌" },
+  { text: "My sources say no", tone: "negative", emoji: "❌" },
+  { text: "Outlook not so good", tone: "negative", emoji: "❌" },
+  { text: "Very doubtful", tone: "negative", emoji: "❌" },
+];
+
+const FORTUNE_LUCKY_COLORS = [
+  "红色", "橙色", "黄色", "绿色", "青色", "蓝色", "紫色", "粉色", "金色", "银色",
+];
+
+const FORTUNE_MESSAGES_ZH = [
+  "今天适合尝试新事物",
+  "保持耐心，好事将近",
+  "注意身边的人，他们可能带来惊喜",
+  "今天不宜做重大决定",
+  "财运不错，但别贪心",
+  "健康为先，注意休息",
+  "人际关系是今天的重点",
+  "灵感闪现，记得记录下来",
+  "今天适合独处和思考",
+  "勇敢表达你的想法",
+  "小确幸藏在细节里",
+  "今天适合整理和清理",
+  "保持好奇心，会有收获",
+  "今天适合联系老朋友",
+  "放慢脚步，享受当下",
+];
+
+const FORTUNE_MESSAGES_EN = [
+  "Today is good for trying something new",
+  "Be patient, good things are coming",
+  "Pay attention to people around you",
+  "Avoid major decisions today",
+  "Good fortune, but don't be greedy",
+  "Prioritize your health and rest",
+  "Relationships are today's focus",
+  "Inspiration strikes, write it down",
+  "A good day for solitude and reflection",
+  "Be brave and express your thoughts",
+  "Small joys hide in the details",
+  "A good day to organize and clean",
+  "Stay curious, you'll be rewarded",
+  "Reach out to an old friend today",
+  "Slow down and enjoy the moment",
+];
+
+function secureRandomInt(max: number): number {
+  if (max <= 0) throw new Error("max must be positive");
+  const bytesNeeded = Math.ceil(Math.log2(max) / 8) || 1;
+  const maxValid = Math.floor(Math.pow(256, bytesNeeded) / max) * max;
+  const buf = randomBytes(bytesNeeded);
+  let val = 0;
+  for (let i = 0; i < bytesNeeded; i++) {
+    val = val * 256 + (buf[i] ?? 0);
+  }
+  if (val < maxValid) {
+    return val % max;
+  }
+  return secureRandomInt(max);
+}
+
+export const magic8ballExecutor: ToolExecutor<Magic8ballToolConfig> = {
+  buildInputSchema(_config: Magic8ballToolConfig): JSONSchema7 {
+    return {
+      type: "object",
+      properties: {
+        operation: {
+          type: "string",
+          enum: ["ask", "fortune"],
+          description: "操作类型: ask=魔法八球问答, fortune=今日运势",
+        },
+        question: {
+          type: "string",
+          description: "ask 操作的问题（是非题）",
+        },
+      },
+      required: ["operation"],
+    };
+  },
+
+  buildDescription(config: Magic8ballToolConfig): string {
+    return `魔法八球与运势工具。ask 模式回答是非题（20条经典预言），fortune 模式生成今日运势（幸运色+幸运数字+一句话）。语言: ${config.language === "zh" ? "中文" : "英文"}。`;
+  },
+
+  async execute(
+    input: unknown,
+    config: Magic8ballToolConfig,
+    _ctx: ToolContext,
+  ): Promise<ToolResult> {
+    const start = Date.now();
+
+    const parsed = magic8ballInputSchema.safeParse(input);
+    if (!parsed.success) {
+      return {
+        success: false,
+        data: null,
+        error: `输入参数校验失败: ${parsed.error.message}`,
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+
+    const inp = parsed.data as Magic8ballInput;
+    const answers = config.language === "zh" ? ANSWERS_ZH : ANSWERS_EN;
+    const fortuneMessages =
+      config.language === "zh" ? FORTUNE_MESSAGES_ZH : FORTUNE_MESSAGES_EN;
+
+    try {
+      switch (inp.operation) {
+        case "ask": {
+          if (!inp.question) {
+            throw new Error("ask 操作需要 question 参数");
+          }
+          const answer = answers[secureRandomInt(answers.length)] ?? answers[0]!;
+          const toneLabel =
+            answer.tone === "positive"
+              ? config.language === "zh"
+                ? "肯定"
+                : "Positive"
+              : answer.tone === "neutral"
+                ? config.language === "zh"
+                  ? "中立"
+                  : "Neutral"
+                : config.language === "zh"
+                  ? "否定"
+                  : "Negative";
+
+          return {
+            success: true,
+            data: {
+              question: inp.question,
+              answer: answer.text,
+              emoji: answer.emoji,
+              tone: toneLabel,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        case "fortune": {
+          const luckyColor =
+            FORTUNE_LUCKY_COLORS[secureRandomInt(FORTUNE_LUCKY_COLORS.length)];
+          const luckyNumber = secureRandomInt(99) + 1;
+          const message =
+            fortuneMessages[secureRandomInt(fortuneMessages.length)];
+          const luckyDirection = ["东", "南", "西", "北", "东北", "东南", "西北", "西南"][
+            secureRandomInt(8)
+          ];
+          const score = secureRandomInt(100) + 1;
+
+          let level: string;
+          if (score >= 80) level = "⭐⭐⭐⭐⭐ 大吉";
+          else if (score >= 60) level = "⭐⭐⭐⭐ 中吉";
+          else if (score >= 40) level = "⭐⭐⭐ 小吉";
+          else if (score >= 20) level = "⭐⭐ 平";
+          else level = "⭐ 需谨慎";
+
+          return {
+            success: true,
+            data: {
+              luckyColor,
+              luckyNumber,
+              luckyDirection:
+                config.language === "zh"
+                  ? luckyDirection
+                  : luckyDirection + " direction",
+              score,
+              level,
+              message,
+            },
+            metadata: { durationMs: Date.now() - start },
+          };
+        }
+
+        default:
+          throw new Error(`未知操作: ${inp.operation}`);
+      }
+    } catch (e) {
+      return {
+        success: false,
+        data: null,
+        error: e instanceof Error ? e.message : String(e),
+        metadata: { durationMs: Date.now() - start },
+      };
+    }
+  },
+};
diff --git a/server/service/agent-tool/index.ts b/server/service/agent-tool/index.ts
index a22c7e8..b7ac3fa 100644
--- a/server/service/agent-tool/index.ts
+++ b/server/service/agent-tool/index.ts
@@ -27,6 +27,16 @@ import { parseUserInfoConfig, DEFAULT_USER_INFO_CONFIG } from "./executors/user-
 import { userInfoExecutor, userInfoInputSchema } from "./executors/user-info/user-info";
 import { parseSearchConfig, DEFAULT_SEARCH_CONFIG } from "./executors/search/config";
 import { searchExecutor, searchInputSchema } from "./executors/search/search";
+import { parseHashConfig, DEFAULT_HASH_CONFIG } from "./executors/hash/config";
+import { hashExecutor, hashInputSchema } from "./executors/hash/hash";
+import { parseColorConfig, DEFAULT_COLOR_CONFIG } from "./executors/color/config";
+import { colorExecutor, colorInputSchema } from "./executors/color/color";
+import { parseDiceConfig, DEFAULT_DICE_CONFIG } from "./executors/dice/config";
+import { diceExecutor, diceInputSchema } from "./executors/dice/dice";
+import { parseMagic8ballConfig, DEFAULT_MAGIC8BALL_CONFIG } from "./executors/magic-8ball/config";
+import { magic8ballExecutor, magic8ballInputSchema } from "./executors/magic-8ball/magic-8ball";
+import { parseGuessWhoConfig, DEFAULT_GUESS_WHO_CONFIG } from "./executors/guess-who/config";
+import { guessWhoExecutor, guessWhoInputSchema } from "./executors/guess-who/guess-who";
 
 // ============ 工具类型注册表 ============
 interface ToolTypeRegistration {
@@ -91,6 +101,36 @@ const TOOL_TYPE_REGISTRY: Record<string, ToolTypeRegistration> = {
     defaultConfig: DEFAULT_SEARCH_CONFIG,
     zodSchema: searchInputSchema,
   },
+  hash: {
+    executor: hashExecutor,
+    parseConfig: parseHashConfig,
+    defaultConfig: DEFAULT_HASH_CONFIG,
+    zodSchema: hashInputSchema,
+  },
+  color: {
+    executor: colorExecutor,
+    parseConfig: parseColorConfig,
+    defaultConfig: DEFAULT_COLOR_CONFIG,
+    zodSchema: colorInputSchema,
+  },
+  dice: {
+    executor: diceExecutor,
+    parseConfig: parseDiceConfig,
+    defaultConfig: DEFAULT_DICE_CONFIG,
+    zodSchema: diceInputSchema,
+  },
+  "magic-8ball": {
+    executor: magic8ballExecutor,
+    parseConfig: parseMagic8ballConfig,
+    defaultConfig: DEFAULT_MAGIC8BALL_CONFIG,
+    zodSchema: magic8ballInputSchema,
+  },
+  "guess-who": {
+    executor: guessWhoExecutor,
+    parseConfig: parseGuessWhoConfig,
+    defaultConfig: DEFAULT_GUESS_WHO_CONFIG,
+    zodSchema: guessWhoInputSchema,
+  },
 };
 
 // 立即注册所有工具类型
@@ -574,4 +614,14 @@ export { DEFAULT_USER_INFO_CONFIG } from "./executors/user-info/config";
 export type { UserInfoToolConfig } from "./executors/user-info/config";
 export { DEFAULT_SEARCH_CONFIG } from "./executors/search/config";
 export type { SearchToolConfig } from "./executors/search/config";
+export { DEFAULT_HASH_CONFIG } from "./executors/hash/config";
+export type { HashToolConfig } from "./executors/hash/config";
+export { DEFAULT_COLOR_CONFIG } from "./executors/color/config";
+export type { ColorToolConfig } from "./executors/color/config";
+export { DEFAULT_DICE_CONFIG } from "./executors/dice/config";
+export type { DiceToolConfig } from "./executors/dice/config";
+export { DEFAULT_MAGIC8BALL_CONFIG } from "./executors/magic-8ball/config";
+export type { Magic8ballToolConfig } from "./executors/magic-8ball/config";
+export { DEFAULT_GUESS_WHO_CONFIG } from "./executors/guess-who/config";
+export type { GuessWhoToolConfig } from "./executors/guess-who/config";
 export type { ToolExecutor, ToolContext, ToolResult } from "./registry";