io.github.pkotecha-eng/aria-mcp-server
aria-clinical-research
Is the io.github.pkotecha-eng/aria-mcp-server MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Search 35M+ PubMed, 400K+ ClinicalTrials.gov & ISRCTN trials. Prompts included. No API key.
alive probed 2026-11-15 · unchanged since 2026-11-14
- Run it
- uvx aria-mcp-server@0.2.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- aria-clinical-research 4.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 463 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.1k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.1k. The o200k_base estimate is 608. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/pkotecha-eng/aria-mcp-server
- Registry
- active, updated 2026-07-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_clinical_trials | 431 | 238 | 39 % |
| search_isrctn | 340 | 188 | 31 % |
| search_pubmed | 330 | 182 | 30 % |
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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.