@pipeworx/vizier

Connect: https://pipeworx.io/mcp — every tool in the catalog, including @pipeworx/vizier’s. Install: one-click buttons

No MCP client? Skip the connection: POST https://gateway.pipeworx.io/v1/tools/search_packs {"query":"..."} to find a tool below, GET /v1/tools/<name> for its schema, POST the same URL with arguments for the data — see For AI agents.

Tools: 4

VizieR MCP — CDS Strasbourg astronomical catalogue server. Tens of thousands of catalogues covering stars, galaxies, exoplanets, surveys. Keyless.

Tools

• catalogs(query, max?) — search VizieR catalogue metadata
• query_catalog(catalog, constraint?, columns?, max?) — query rows of one catalogue
• cone_search(catalog, ra, dec, radius_deg, max?) — cone search around (RA, Dec)
• object(name, catalog?) — query by object name

Data source

https://vizier.cds.unistra.fr/viz-bin/ and https://vizier.cds.unistra.fr/vizier/

Tools

• catalogs — Search VizieR catalogue metadata.
• query_catalog — VizieR astronomical catalogue service at CDS Strasbourg — return data rows from one published catalogue, identified by its VizieR id such as “I/345/gaia2” (Gaia DR2). Takes optional column selection a
• cone_search — Cone search around (RA, Dec).
• object — Query by object name (resolved via SIMBAD/NED).