FixMyJSON for Claude.ai

io.github.tonbifun/fixmyjson

Repair broken LLM JSON and check it against a JSON Schema. Flags cut-off output. Free trial.

client:Claude.ai transport:streamable-http tools:1

Install FixMyJSON in Claude.ai

Settings → Connectors → Add custom connector

https://fixmyjson-api.onrender.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

repair_json

FixMyJSON in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

FixMyJSON MCP server