MCP server

Simbad

io.github.pipeworx-io/simbad

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

SIMBAD MCP — CDS astronomical object database.

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

46

Token cost

About 26,731 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http simbad https://gateway.pipeworx.io/simbad/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.simbad]
url = "https://gateway.pipeworx.io/simbad/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"simbad":{"type":"http","url":"https://gateway.pipeworx.io/simbad/mcp"}}}

Antigravity

agy mcp add simbad https://gateway.pipeworx.io/simbad/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"simbad","server_url":"https://gateway.pipeworx.io/simbad/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"simbad","server_url":"https://gateway.pipeworx.io/simbad/mcp"}

Tools

• cone_search ~125 tokens
  Objects within a radius of (RA, Dec) decimal degrees.
• object ~83 tokens
  Resolve and fetch the basic record for an object identifier (e.g. "M31", "HD 209458").
• script ~72 tokens
  Run a SIMBAD sim-script. See https://simbad.cds.unistra.fr/simbad/sim-fscript.
• tap ~148 tokens
  ADQL TAP query against the SIMBAD database (sync). Returns JSON by default.

Browse

• GitHub tools
• GitHub and code hosting
• Databases

Related MCP servers

• Vizier
  VizieR MCP — CDS astronomical catalogue access.
• CycleCalcs Astronomy
  Read-only astronomy calculations: sun, moon, planets, eclipses, twilight and star positions.
• Googleapis
  Interact with your Google Cloud Datastream resources using natural language commands.
• Astronomical units to kilometers, number discarded
  Astronomical units to kilometers, number discarded
• Astronomy
  Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
• Ross ERP Data Dictionary
  Structure-only reference for the vanilla Ross ERP 8.0 schema, UI menu tree, and program catalog.
• Sefaria Library
  Access Sefaria's library of Jewish texts, commentaries, and learning schedules via MCP
• Reactome
  Reactome MCP — open biological pathway knowledge-base.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/io.github.pipeworx-io/simbad.svg)](https://aptlynx.net/servers/io.github.pipeworx-io/simbad)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents