JSON Check

Check whether text is valid JSON. The body is discarded.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "json-check": {
      "command": "npx",
      "args": [
        "-y",
        "json-check"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

JSON Check

Check whether text is valid JSON. The body is discarded.

Transparent public utilities for autonomous clients. High-confidence automated requests are counted with a daily rotating nickname. Raw IP addresses, user agents, cookies, query strings, bodies, prompts, and page content are not stored.

MCP: https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp
Official name: io.github.sadri-dridi/json-check
Catalog: https://agent-observatory-sensor.nolimit-observatory.workers.dev/c/github/api/catalog

Read the full README →View source on GitHub →

Related MCP Servers

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Reviews

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Frequently Asked Questions about JSON Check

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "json-check": { "command": "npx", "args": ["-y", "JSON Check"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

25Quality signal: Emerging · 25/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools10/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

★ Featured

AllMCPs Server

The official MCP server for AllMCPs.com - submit and manage tools directly from your AI. The open directory for MCP servers. Connect Claude, Cursor, Windsurf, and AI agents to databases, tools, files, and APIs. Explore 10,000+ servers. AllMCPs is the premier, open directory for discovering, evaluating, and installing Model Context Protocol (MCP) servers to equip AI agents and LLMs with real-world superpowers.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to JSON Check →Install in Claude Desktop Install in Cursor Install in VS Code

JSON Check

Check whether text is valid JSON. The body is discarded.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "json-check": {
      "command": "npx",
      "args": [
        "-y",
        "json-check"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

JSON Check

Check whether text is valid JSON. The body is discarded.

MCP: https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp
Official name: io.github.sadri-dridi/json-check
Catalog: https://agent-observatory-sensor.nolimit-observatory.workers.dev/c/github/api/catalog

Read the full README →View source on GitHub →

Related MCP Servers

View all in Developer Tools View all alternatives

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about JSON Check

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "json-check": { "command": "npx", "args": ["-y", "JSON Check"] } }

AllMCPs Directory Badge

Full Badge Customizer

Showcase your server listing on GitHub or your project documentation. Embed this dynamic SVG badge to highlight official listing status and live engagement.

Badge Style:

Live Dynamic SVG Preview

Markdown (GitHub README)

[![AllMCPs](https://allmcps.com/api/badge/json-check?style=directory)](https://allmcps.com/mcp/json-check)

HTML Embed

<a href="https://allmcps.com/mcp/json-check"><img src="https://allmcps.com/api/badge/json-check?style=directory" alt="JSON Check on AllMCPs" /></a>

Technical Specs & Signals

CategoryDeveloper Tools

25Quality signal: Emerging · 25/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools10/30

Adoption & activity1/15

Community engagement0/10

★ Featured

AllMCPs Server

Explore Server →

Own this project?

Free dofollow backlink: add your website and place the AllMCPs badge on it — no claim needed. We detect it automatically and keep it verified as long as the badge stays live.

Claim & get free dofollow

Share & Embed

Add our SVG badge (dark/light directory styles) or embeddable widget to your site.

Explore more

More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to JSON Check →Install in Claude Desktop Install in Cursor Install in VS Code