Simbad
live DataSIMBAD MCP — CDS astronomical object database.
4 tools
0ms auth
free tier 50 calls/day
Tools
object Resolve and fetch the basic record for an object identifier (e.g. "M31", "HD 209458").
No parameters required.
Try it
Response
script Run a SIMBAD sim-script. See https://simbad.cds.unistra.fr/simbad/sim-fscript.
No parameters required.
Try it
Response
tap ADQL TAP query against the SIMBAD database (sync). Returns JSON by default.
No parameters required.
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Response
cone_search Objects within a radius of (RA, Dec) decimal degrees.
No parameters required.
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Response
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/simbad/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/simbad/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"object","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("object", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("simbad mcp — cds astronomical object database");