MCP server

Exoplanet Archive

io.github.pipeworx-io/exoplanet-archive

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

NASA Exoplanet Archive MCP.

From the maker's README NASA Exoplanet Archive MCP — 6,451 confirmed exoplanets + candidates + light curves. Keyless TAP service. Source

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

48

Token cost

About 27,265 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 exoplanet-archive https://gateway.pipeworx.io/exoplanet-archive/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.exoplanet-archive]
url = "https://gateway.pipeworx.io/exoplanet-archive/mcp"

Gemini CLI

{"mcpServers":{"exoplanet-archive":{"httpUrl":"https://gateway.pipeworx.io/exoplanet-archive/mcp"}}}

Cursor

{"mcpServers":{"exoplanet-archive":{"url":"https://gateway.pipeworx.io/exoplanet-archive/mcp"}}}

VS Code

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

Antigravity

agy mcp add exoplanet-archive https://gateway.pipeworx.io/exoplanet-archive/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":"exoplanet-archive","server_url":"https://gateway.pipeworx.io/exoplanet-archive/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"exoplanet-archive","server_url":"https://gateway.pipeworx.io/exoplanet-archive/mcp"}

Tools

• composite ~134 tokens
  Composite planet parameter table `pscomppars` -- one row per confirmed planet. Use this (or `confirmed_planet_count`) for "how many confirmed exoplanets" questions and for any per-planet listing; do not use `ps`/`tap` for those, since `ps` has several rows per planet.
• confirmed_planet_count ~174 tokens
  Count of confirmed exoplanets -- from the composite parameter table `pscomppars` (one row per planet), not the per-solution `ps` table. Use this for "how many confirmed exoplanets" questions. Optional filter narrows the count, e.g. "disc_year = 2023" for planets discovered that year. Returns the uni
• kepler_candidates ~120 tokens
  Kepler Object of Interest (KOI) candidate table -- unconfirmed candidates, not confirmed planets. Do not use this table's row count to answer a confirmed-planet-count question.
• microlensing ~87 tokens
  Microlensing event table -- detection events, not a planet count.
• planets ~211 tokens
  Per-solution search against the `ps` (Planetary Systems) table -- one row per published parameter SOLUTION, with several solutions per confirmed planet. Good for comparing how a planet's measured parameters changed across papers; NOT a planet count or a clean per-planet list (its row count is parame
• tap ~236 tokens
  ADQL TAP query. For "how many confirmed exoplanets" or any per-planet count, query `pscomppars` (one row per confirmed planet) or COUNT(DISTINCT pl_name) -- never a bare COUNT(*) FROM ps, which counts published parameter SOLUTIONS (several per planet, currently ~40k rows for ~6.5k planets) and silen

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