io.github.windows10fan648/youtube-transcript-mcp
YouTube Transcript MCP
Is the YouTube Transcript MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-11.
Fetches public YouTube caption tracks with timestamps and exact language selection.
alive probed 2026-11-14 · unchanged since 2026-11-11
- Run it
- npx -y @fakasys/youtube-transcript-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- youtube-transcript-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 941 tokens in Claude Opus 5.5, exact, measured 2026-11-11. With the Claude Code prefix mcp__…__ on each tool name: 989. The o200k_base estimate is 562. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/windows10fan648/youtube-transcript-mcp
- Registry
- active, updated 2026-11-10 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| get_youtube_transcript | 395 | 236 | 42 % |
| summarize_youtube_transcript | 347 | 207 | 37 % |
| list_youtube_transcript_languages | 199 | 119 | 21 % |
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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.