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io.github.grupoanesthy-spec/json-repair-mcp

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Repairs malformed JSON from LLM output, validated against a schema. Paid per call via Stripe.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package json-repair-mcp
Claude Code 
claude mcp add json-repair-mcp -e 'JSON_REPAIR_API_KEY=<your json_repair_api_key>' -e 'JSON_REPAIR_API_URL=<JSON_REPAIR_API_URL>' -- npx -y json-repair-mcp@1.0.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "json-repair-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "json-repair-mcp@1.0.1"
            ],
            "env": {
                "JSON_REPAIR_API_KEY": "<your json_repair_api_key>",
                "JSON_REPAIR_API_URL": "<JSON_REPAIR_API_URL>"
            }
        }
    }
}

Environment variables

  • JSON_REPAIR_API_KEY required secret API key obtained by visiting https://json-repair-api-9ybv.onrender.com/signup (Stripe Checkout, one-time signup).
  • JSON_REPAIR_API_URL Base URL of the hosted API. Defaults to the production endpoint if unset.

Frequently asked questions

What is io.github.grupoanesthy-spec/json-repair-mcp?

Repairs malformed JSON from LLM output, validated against a schema. Paid per call via Stripe.

How do I install io.github.grupoanesthy-spec/json-repair-mcp?

It runs on your machine. In Claude Code: claude mcp add json-repair-mcp -e 'JSON_REPAIR_API_KEY=<your json_repair_api_key>' -e 'JSON_REPAIR_API_URL=<JSON_REPAIR_API_URL>' -- npx -y json-repair-mcp@1.0.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.grupoanesthy-spec/json-repair-mcp need an API key?

Yes. It expects JSON_REPAIR_API_KEY, which you set in its configuration.

Is io.github.grupoanesthy-spec/json-repair-mcp open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.grupoanesthy-spec/json-repair-mcp?

It is published by grupoanesthy-spec. AI.tn lists it but does not maintain or endorse it.

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