io.github.teampolarity/cosmos-mcp
cosmos-mcp
Is the io.github.teampolarity/cosmos-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Personal knowledge graph every MCP client reads from and writes to. Portable across agents.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y @polarity-lab/cosmos-mcp@0.7.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- cosmos-mcp 0.2.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 2.8k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 3.0k. The o200k_base estimate is 1.6k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/teampolarity/cosmos-mcp
- Registry
- active, updated 2026-05-19 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| polarity_capture_turn | 533 | 297 | 19 % |
| polarity_observe | 420 | 234 | 15 % |
| polarity_declare | 303 | 169 | 11 % |
| polarity_record_event | 240 | 134 | 8 % |
| polarity_record_preference | 240 | 134 | 8 % |
Compare this server with others.
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Other registry entries on npmjs.com, the ones next to this name; all of them.
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Servers that mention cosmos.
- Slashr dev.slashr/mcp · needs auth
- io.github.CSOAI-ORG/meok-abci-bridge-mcp · not found
- io.github.Tanshaydar/quartermaster · install failed
- Homo Universalis — Swiss Ephemeris Astrology, Natal Chart, Synastry & Cosmic Soul MCP Oracle ai.homouniversalis/astrology-swiss-ephemeris-natal-chart-synastry-horoscope-zodiac-draconic-astronomy-cosmos-cosmic-soul-spiritual-esoteric-destiny-numerology-meditation · alive
- Cosmos Semantic io.github.WiliamRosa/cosmos-semantic · needs args
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.