@pipeworx/schemastore

JSON Schema Store MCP — catalog of JSON Schemas for hundreds of well-known config/data file formats (package.json, tsconfig.json, GitHub Actions workflows, OpenAPI, etc). Keyless.

Part of Pipeworx — an MCP gateway connecting AI agents to 1394+ live data sources.

Tools

• list_schemas(filter?, limit?) — list catalog entries; filter is a case-insensitive substring on name/description/fileMatch

• find_schema_for(filename) — find schemas that match a given filename (e.g. package.json, .github/workflows/ci.yml)

• fetch_schema(url) — fetch the raw JSON Schema document from the catalog (schemastore-hosted URL)

• lookup(name) — exact-name lookup against the catalog

Related MCP server: MCP Server for OSCAL

Data source

https://www.schemastore.org/api/json/catalog.json

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

{
  "mcpServers": {
    "schemastore": {
      "url": "https://gateway.pipeworx.io/schemastore/mcp"
    }
  }
}

Or connect to the full Pipeworx gateway for access to all 1394+ data sources:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://gateway.pipeworx.io/mcp"
    }
  }
}

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English:

ask_pipeworx({ question: "your question about Schemastore data" })

The gateway picks the right tool and fills the arguments automatically.

More

• Docs and guides

• pipeworx.io

License

MIT