vizier 4 tools

MCP server exposing 4 tools for vizier.

Endpoint

This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.

POST https://gateway.pipeworx.io/vizier/mcp
Content-Type: application/json

{"jsonrpc":"2.0","id":1,"method":"tools/list"}

Tools

• catalogs — Search VizieR catalogue metadata.
• query_catalog — Query rows of a single catalogue (e.g. "I/345/gaia2").
• cone_search — Cone search around (RA, Dec).
• object — Query by object name (resolved via SIMBAD/NED).

Full documentation

Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/vizier/

About Pipeworx

Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io