io.github.gregario/astronomy-oracle
astronomy-oracle
Is the io.github.gregario/astronomy-oracle MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Astronomical catalog data and observing session planner. 13,000+ objects from OpenNGC.
alive probed 2026-11-15 · unchanged since 2026-10-31
- Run it
- npx -y astronomy-oracle@0.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- astronomy-oracle 0.1.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.4k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.5k. The o200k_base estimate is 802. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/gregario/astronomy-oracle
- Registry
- active, updated 2026-03-16 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.77×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_objects | 535 | 303 | 38 % |
| plan_session | 525 | 297 | 37 % |
| lookup_object | 357 | 202 | 25 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Grassy Knees io.github.grassyknees/grassyknees-mcp · alive
- io.github.gratise/glamour · needs network
- Awardopedia - Federal Contracts io.github.grayson-sys/awardopedia · alive
- io.github.gregario/3dprint-oracle · crashed on start
- io.github.gregario/brewers-almanack · alive
- io.github.gregario/dnd-oracle · crashed on start
- Godot Forge io.github.gregario/godot-forge · alive
- io.github.gregario/hearthstone-oracle · crashed on start
Servers that mention astronomy.
- NASA Image of the Day — space & astronomy photos (nasaiotd) com.a2awire/data-nasa-photo-space-image-astronomy · alive
- CycleCalcs Astronomy com.cyclecalcs/astronomy · alive
- Kaalshodh — Indian astronomy time machine com.kaalshodh/kaalshodh · alive
- com.tarotari.www/tarotari · alive
- World Weather Online io.github.WorldWeatherOnline/wwo-mcp · not found
- io.github.cyanheads/astronomy-mcp-server · alive
- RymdenKollen — Swedish Space & Astronomy io.github.jannegpriv/rymdenkollen · needs auth
- Sky Watch MCP net.nexlab/sky-watch · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.