io.github.mrfentmen/nasa-tle-mcp

nasa-tle-mcp

Is the io.github.mrfentmen/nasa-tle-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

NASA TLE satellite orbital data via tle.ivanstanojevic.me.

alive probed 2026-11-15 · unchanged since 2026-11-01

2tools

235tokens in Claude

0.1 %of Claude's 200k window

0.1×the median server

376 msto initialize

9 msto list tools

Run it: npx -y nasa-tle-mcp@1.0.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: nasa-tle-mcp 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 235 tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 265. The o200k_base estimate is 128. Counted again when the tool definitions change. Method.
Repository: https://github.com/mrfentmen/nasa-tle-mcp
Registry: active, updated 2026-09-21 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.84×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
satellite	125	68	53 %
search	110	60	47 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention nasa.

Consignatarias · Argentine Cattle Market ar.com.consignatarias/cattle-market · alive
NASA Mission & Space News — buy per-query in-session (nasanewswatch) com.a2awire/data-nasa-mission-space-news · alive
NASA Image of the Day — space & astronomy photos (nasaiotd) com.a2awire/data-nasa-photo-space-image-astronomy · alive
Bounty Agent Arena com.brelsfordsoftware/agent-bounty-jobs · alive
Go Bananas com.gobananasai/go-bananas · needs auth
Open Ephemeris com.openephemeris/open-ephemeris · needs auth
Western Astrology MCP Server by RoxyAPI com.roxyapi/astrology · alive
com.sibfly/ground-motion · alive

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-25 06:55	alive	362 ms	2	235	128
2026-10-18 06:42	alive	376 ms	2		128

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.