io.github.daedalus/mcp-pyright
mcp-pyright
Is the io.github.daedalus/mcp-pyright MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
MCP server that exposes Pyright language server functionality
alive probed 2026-11-14 · unchanged since 2026-11-13
7tools
1.5ktokens in Claude Opus 5.5
0.7 %of Claude's 200k window
0.6×the median server
9.6 sto initialize
736 msto list tools
- Run it
- uvx mcp-pyright@0.1.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- mcp-pyright 4.1.8
- Capabilities
- logging, prompts, resources, tools
- Instructions
- none
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.5k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 1.6k. The o200k_base estimate is 833. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/daedalus/mcp-pyright
- Registry
- active, updated 2026-04-01 · 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 |
|---|---|---|---|
| check_types | 327 | 183 | 22 % |
| find_references | 212 | 119 | 14 % |
| get_definition | 209 | 117 | 14 % |
| get_hover | 207 | 116 | 14 % |
| get_completions | 207 | 116 | 14 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- io.github.daedalus/mcp-pcapy-ng · crashed on start
- io.github.daedalus/mcp-psycopg2 · install failed
- io.github.daedalus/mcp-pwntools · alive
- io.github.daedalus/mcp-pymetasploit3 · crashed on start
- io.github.daedalus/mcp-python-bitcoinlib · alive
- io.github.daedalus/mcp-qiskit · crashed on start
- io.github.daedalus/mcp-recon-ng · crashed on start
- io.github.daedalus/mcp-redis-server · alive
Servers that mention pyright.
- Content Sweep ai.contentsweep/agent-access · alive
- Imagemeta dev.kaneky/imagemeta · alive
- Execute copyrighted-music-fingerprint-matcher-mcp io.github.Evozim/copyrighted-music-fingerprint-matcher-mcp · paid (402)
- io.github.Whitemarmot/copyright01 · not MCP
- Tonr Music io.github.tanayyo1/tonr-music · needs auth
- Clearlydefined io.github.pipeworx-io/clearlydefined · alive
- io.github.smeet666/mcp-imslp · alive
- MusicCheck: copyright screening ai.smilestory/musiccheck · alive
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.