JSON Query MCP

Name: JSON Query MCP
Author: mgraczyk

@mgraczyk

リポジトリ

JSON Query MCP について

An MCP server that gives AI agents tools to query large JSON files

#json-query #mcp #json-tools

基本情報

カテゴリ

その他

ランタイム

node

トランスポート

stdio

公開者

mgraczyk

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "json-query": {
      "command": "npx",
      "args": [
        "json-query-mcp"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is JSON Query MCP?

An MCP server that enables LLMs implementing the Model Context Protocol to query large JSON files using JSONPath expressions and string-based key/value searching. It is designed for handling JSON data too large to fit in a single LLM context window.

How to use JSON Query MCP?

Run npx json-query-mcp from the command line. For Cursor, add an entry to ~/.cursor/mcp.json specifying "command": "npx" and "args":["<path-to-repo>"].

Key features of JSON Query MCP

Query JSON files using JSONPath expressions
Search for keys that match a query string
Search for values that match a query string
Handle JSON files larger than 1 million characters

Use cases of JSON Query MCP

Extract a small subset of data from a massive JSON Swagger definition to generate TypeScript interfaces
Find specific keys or values in complex or deeply nested JSON documents
Enable LLMs to work with JSON files that exceed typical context window limits

FAQ from JSON Query MCP

What does JSON Query MCP do?

It provides tools for LLMs to query and search large JSON files without loading the entire file into the model’s context.

How do I install JSON Query MCP?

Run npx json-query-mcp, or configure it as an MCP server in Cursor by adding the command and arguments to mcp.json.

Does JSON Query MCP have any runtime dependencies?

The README does not specify any dependencies beyond Node.js (implied by npx and npm commands).

Can JSON Query MCP handle files larger than 1 million characters?

Yes, the example demonstrates it reading a Swagger definition exceeding 1 million characters and extracting a small portion.

Where does the JSON data live?

The README does not specify; data is presumably passed as a file path or content via the MCP tool interface.

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