fred-mcp

fred-mcp

Enables browsing, searching, and retrieving FRED economic data (800k+ indicators) through LM Studio plugins or MCP, with units/frequency conversion. Supports natural language queries for series like GDP and UNRATE.

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README

FRED MCP → LM Studio Plugin (Port)

原專案: https://github.com/stefanoamorelli/fred-mcp-server
本移植版將 3 大工具完整帶入 LM Studio Plugin 系統,程式碼精簡高效 (< 300 LOC 核心)。

功能對應

原 MCP Tool LM Studio Plugin Tool 說明
fred_browse fred_browse 瀏覽 categories/releases/sources/category_series/release_series
fred_search fred_search 關鍵字 / tag 搜尋 80 萬+ 指標,找 GDP, UNRATE 等 ID
fred_get_series fred_get_series 取回時間序列觀測值,支援 units/frequency 轉換

架構

fred-mcp-lmstudio/
├── manifest.json      # LM Studio 插件描述 (owner=local)
├── package.json
├── tsconfig.json
├── src/
│   ├── index.ts         # main() 註冊 config + toolsProvider
│   ├── config.ts        # globalConfig: fredApiKey, perChat: limit/sort
│   ├── fredClient.ts    # 極簡 FRED API fetch wrapper (共用)
│   └── toolsProvider.ts # 3 tools 實作,<250 行

核心設計:

  • fredClient.ts 單一 fetch 函式處理所有 FRED endpoint,自動加上 api_key & file_type=json,錯誤精簡拋出
  • config 分離:API Key 放 Global (跨對話共用),limit/sort 放 Per-Chat
  • toolsProvider 共用 getKey() + clean() 去除空參數,避免冗長程式碼
  • 觀測值只回傳最後 200 筆 + metadata,避免 LLM token 爆炸,仍保留 count/range

安裝 (LM Studio Plugin 模式 - 推薦)

前置

  • LM Studio >= 0.3.17
  • lms CLI 已在 PATH (LM Studio 附帶)
  • FRED API Key: https://fred.stlouisfed.org/docs/api/api_key.html

自動安裝

git clone https://github.com/stefanoamorelli/fred-mcp-server fred-mcp-lmstudio
cd fred-mcp-lmstudio
# 複製本移植的檔案覆蓋 (或直接用本資料夾)
npm install
npx tsc
# 複製到 LM Studio plugins 目錄
# Windows:
# mkdir "%USERPROFILE%\.lmstudio\extensions\plugins\lmstudio\fred-mcp-lmstudio"
# Linux/macOS:
mkdir -p ~/.lmstudio/extensions/plugins/lmstudio/fred-mcp-lmstudio
cp -r manifest.json package.json dist src ~/.lmstudio/extensions/plugins/lmstudio/fred-mcp-lmstudio/

# 啟動 dev 模式
cd ~/.lmstudio/extensions/plugins/lmstudio/fred-mcp-lmstudio
lms dev

在 LM Studio 設定 API Key

  1. 開 LM Studio → 右側 Program → Plugins → fred-mcp → Settings
  2. Global Config → FRED API Key 貼上
  3. 存檔,plugin 自動重載

使用

載入任意支援 tool calling 的模型 (Qwen2.5, Llama 3.1, GPT-OSS 等)

"幫我搜尋失業率相關指標,然後取 UNRATE 最近 2 年數據"

模型會自動呼叫 fred_searchfred_get_series

安裝 (MCP Server 相容模式 - 給 LM Studio mcp.json)

如果你不想用 Plugin,也可當成純 MCP Server 給 LM Studio 使用 (LM Studio 原生支援 MCP)。

1. 編譯獨立 MCP Server

本移植已內含 src/mcpServer.ts 精簡版 MCP Server (std io + http 可選)。

npm install @modelcontextprotocol/sdk
# 已在 src/mcpServer.ts
npx tsc

2. 編輯 LM Studio mcp.json

Program → Install → Edit mcp.json

{
  "mcpServers": {
    "fred-mcp": {
      "command": "node",
      "args": ["/absolute/path/to/fred-mcp-lmstudio/dist/mcpServer.js"],
      "env": {
        "FRED_API_KEY": "YOUR_KEY_HERE"
      }
    }
  }
}

或使用 http 傳輸:

{
  "mcpServers": {
    "fred-mcp": {
      "url": "http://localhost:3000/mcp",
      "headers": {}
    }
  }
}
# 啟動: PORT=3000 TRANSPORT=http node dist/mcpServer.js

儲存後 LM Studio 會自動載入 3 tools。

範例 Prompt

  • "瀏覽 FRED 的 GDP 相關分類"
  • "搜尋 CPI 相關 series,選最熱門的 5 個"
  • "取 GDP (series_id=GDP) 2020-01-01 到現在,轉成年增率 pc1"
  • "比較 UNRATE 和 CPIAUCSL 最近一年走勢"

授權

AGPL-3.0 (跟隨原專案)。商業授權請聯絡 stefano@amorelli.tech

免責

非聯準會官方,FRED 為 St. Louis Fed 註冊商標。

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