io.github.SylphxAI/citra
Citra
Is the Citra MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
Citra — PDF answers with page-level proof: structure, tables, OCR, and page citations.
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y @sylphx/citra@6.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- citra 6.0.0
- Capabilities
- tools
- Instructions
- 336 characters
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.0k tokens in Claude Opus 5.5, exact, measured 2026-11-01. With the Claude Code prefix mcp__…__ on each tool name: 4.0k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/SylphxAI/citra
- Website
- https://sylphxai.github.io/citra/
- Registry
- deprecated, updated 2026-09-25 · registry entry
- Changes
- 2 recorded, reachable in 1 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, 1.95×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| read_pdf | 1 712 | 876 | 43 % |
| pdf_evidence | 1 245 | 637 | 31 % |
| search_pdf | 758 | 388 | 19 % |
| pdf_compare | 264 | 135 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.SwikingSWE/conformy · alive
- Chakor Ventures io.github.SyedaMahaZaidi/chakorventures-mcp · alive
- io.github.Syfer-web/krexel-mcp · alive
- anymd io.github.SylphxAI/anymd · alive
- Cue io.github.SylphxAI/cue · crashed on start
- Image Reader MCP io.github.SylphxAI/image-reader-mcp · alive
- Iris io.github.SylphxAI/iris · crashed on start
- lockdocs io.github.SylphxAI/lockdocs · alive
Servers that mention citations or structure.
- AI-Advisors ai.ai-advisors/mcp · needs auth
- AkkruData ai.akkrudata/akkrudata · needs auth
- Axon NeuroAutomata ai.axonagentic/neuroautomata · needs auth
- AwardCast Federal Contracts ai.awardcast/federal-contracts · alive
- BorealHost ai.borealhost/mcp · alive
- Cloud World Model ai.cloudworldmodel/cloud-world-model · alive
- Lenny Rachitsky Podcast Transcripts MCP Server ai.com.mcp/lenny-rachitsky-podcast · alive
- ColdState — Deterministic Knowledge Infrastructure ai.coldstate/knowledge · alive
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-11-01 08:17 | alive | 101 ms | 4 | 4.0k | 2.0k |
| 2026-10-18 06:43 | crashed on start |
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.