MCP.Market

Json MCP server

by ryudi84·io.github.ryudi84/json·v1.0.3·1 stars
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MCP server for JSON processing — format, validate, diff, convert, minify, query, analyze

B75/100grade B
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Safety scan
B75/100

full report

Adoption
New

1 stars50 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Json tools (7)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • analyze_json

    Analyze JSON structure: type, depth, key count, size, and structure tree

  • convert_json

    Convert JSON to another format: yaml, csv, xml, toml, or typescript

  • diff_json

    Compare two JSON objects and show differences

  • format_json

    Pretty-print JSON with 2-space indentation

  • minify_json

    Minify JSON by removing all whitespace. Returns minified output and compression stats.

  • query_json

    Extract data from JSON using dot-notation path (e.g. 'users[0].name', '$.store.book')

  • validate_json

    Validate JSON and return a detailed structure report

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan3 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 214 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Json compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 48,255 servers
Tools
7
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
1
more than 65% of 28,688 servers
Downloads a week
50
more than 42% of 12,191 servers with a package

What its tools let an agent do: 7 read

Install Json in Claude Code, Cursor or VS Code

Runs npx -y json-forge-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add json -- npx -y json-forge-mcp
Add to Cursor

What the publisher says

From the Json repository's README, as published. We do not edit it. Read it on GitHub

Sovereign MCP Servers

34 MCP servers. 121 tools. One npx command away.

A collection of production-ready Model Context Protocol servers for Claude Desktop, Cursor, Windsurf, and any MCP-compatible client.

Quick Start

Pick any server and run it:

# Web scraping
npx sovereign-web-scraper-mcp

# SQL toolkit
npx sql-forge-mcp

# Git helpers
npx git-forge-mcp

# CSS generator
npx css-forge-mcp

# JSON Swiss Army knife
npx json-forge-mcp

Or add to your MCP configuration:

{
  "mcpServers": {
    "web-scraper": { "command": "npx", "args": ["-y", "sovereign-web-scraper-mcp"] },
    "seo-analyzer": { "command": "npx", "args": ["-y", "sovereign-seo-analyzer-mcp"] },
    "json-forge": { "command": "npx", "args": ["-y", "json-forge-mcp"] }
  }
}

All Servers

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Json: common questions

Is Json MCP server safe?
Mostly: it is graded B (75/100). Read the Json safety report
How do I install Json?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Json need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Json maintained?
The last commit was 252 days ago (2026-02-25). The latest release is v1.0.3.
What can I use instead of Json?
Servers from other publishers that do the same job: Docling MCP server.
How does Json compare with other MCP servers?
safety score 75/100 (higher than 45% of 48,255 servers); tools 7 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Json

Same job from other publishers: the closest match first, then the best rated.

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