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JSON Manipulation

gongrzhe/json-mcp-server

A JSON Model Context Protocol (MCP) server implementation for querying and manipulating JSON data. This server enables LLMs to interact with JSON data through a set of standardized tools.

View on GitHub36

Install

npx @gongrzhe/server-json-mcp@1.0.3
GitHub stars
36
Author
@gongrzhe
Category
Research & Data, Developer Tools
License
MIT
Updated
Oct 6, 2026

Tools (17)

  • query

  • filter

  • Slicing

  • Sorting

    sort(price), $.sort(-price)

  • Distinct

    distinct()

  • Transformations

  • Case

    toLowerCase(), $.toUpperCase()

  • Tests

    startsWith('test'), $.endsWith('test')

  • Search

    contains('test'), $.matches('pattern')

  • Math

    math(+10), $.pow2()

  • Rounding

    round(), $.floor(), $.ceil()

  • Functions

    abs(), $.sqrt()

  • Format

    format('YYYY-MM-DD')

  • Check

    isToday()

  • Modify

    add(1, 'days')

  • Group

    groupBy(category)

  • Stats

    sum(price), $.avg(price), $.min(price), $.max(price)

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

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