Repairs malformed JSON from LLM output, validated against a schema. Paid per call via Stripe.
Connect Runs on your machine
claude mcp add json-repair-mcp -e JSON_REPAIR_API_KEY=<JSON_REPAIR_API_KEY> -e JSON_REPAIR_API_URL=<JSON_REPAIR_API_URL> -- npx -y [email protected]{
"mcpServers": {
"json-repair-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"JSON_REPAIR_API_KEY": "<JSON_REPAIR_API_KEY>",
"JSON_REPAIR_API_URL": "<JSON_REPAIR_API_URL>"
}
}
}
}{
"mcpServers": {
"json-repair-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"JSON_REPAIR_API_KEY": "<JSON_REPAIR_API_KEY>",
"JSON_REPAIR_API_URL": "<JSON_REPAIR_API_URL>"
}
}
}
}{
"servers": {
"json-repair-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"JSON_REPAIR_API_KEY": "<JSON_REPAIR_API_KEY>",
"JSON_REPAIR_API_URL": "<JSON_REPAIR_API_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
JSON_REPAIR_API_KEYRequired, secret | API key obtained by visiting https://json-repair-api-9ybv.onrender.com/signup (Stripe Checkout, one-time signup). |
JSON_REPAIR_API_URLOptional | Base URL of the hosted API. Defaults to the production endpoint if unset. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 15 Sep 2026 |
| Last updated | 15 Sep 2026 |
| Registry name | io.github.grupoanesthy-spec/json-repair-mcp |
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