SchemaStore

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JSON Schema catalog — find and fetch schemas for hundreds of well-known config formats. Keyless.

4tools
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free tier50 calls/day

Tools

list_schemas

List SchemaStore catalog entries. Optional case-insensitive filter on name/description/fileMatch.

Parameters
NameTypeDescription
filteroptstring—
limitoptnumber—
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find_schema_forrequired: filename

Match a config filename against the SchemaStore catalog (schemastore.org) to find which JSON Schemas declare a fileMatch glob covering it, for example package.json, tsconfig.json, or .github/workflows

Parameters
NameTypeDescription
filenamereqstring—
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fetch_schemarequired: url

Fetch a JSON Schema document by URL (must be hosted on json.schemastore.org).

Parameters
NameTypeDescription
urlreqstring—
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lookuprequired: name

Exact-name lookup against the catalog (case-insensitive).

Parameters
NameTypeDescription
namereqstring—
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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/schemastore/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/schemastore/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"list_schemas","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("list_schemas", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("json schema catalog — find and fetch schemas for hundreds of well-known config formats");