io.github.mrfentmen/orca-mcp
orca-mcp
Is the io.github.mrfentmen/orca-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
ORCA MCP: parse inputs, validate method lines, blocks and coordinates.
alive probed 2026-11-14 · unchanged since 2026-11-13
- Run it
- npx -y @mrfentmen/orca-mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- orca-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 2.6k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 2.8k. The o200k_base estimate is 1.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-11-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.86×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search | 267 | 144 | 10 % |
| diff | 243 | 131 | 9 % |
| get_record | 221 | 119 | 8 % |
| write_file | 217 | 117 | 8 % |
| list_records | 215 | 116 | 8 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 9 other servers
These registry entries have the same tool names and the same schema sizes.
- io.github.mrfentmen/aidx-mcp npmjs.com
- io.github.mrfentmen/atml-mcp npmjs.com
- io.github.mrfentmen/fpml-mcp npmjs.com
- io.github.mrfentmen/gff3-mcp npmjs.com
- io.github.mrfentmen/kgml-mcp npmjs.com
- io.github.mrfentmen/mets-mcp npmjs.com
- io.github.mrfentmen/oval-mcp npmjs.com
- io.github.mrfentmen/ppml-mcp npmjs.com
- io.github.mrfentmen/sbml-mcp npmjs.com
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/openvas-mcp · alive
- io.github.mrfentmen/openverse-mcp · alive
- io.github.mrfentmen/openwhyd-mcp · alive
- io.github.mrfentmen/oracle-reports-mcp · alive
- io.github.mrfentmen/orcid-mcp · alive
- io.github.mrfentmen/osf-mcp · alive
- io.github.mrfentmen/osl-shader-mcp · alive
- io.github.mrfentmen/osm-notes-mcp · alive
Servers that mention orca.
- StruXure NorCal Knowledge Base com.struxurenorcal.walnbot/struxure-knowledge-base · alive
- Loreboard ink.loreboard/loreboard · alive
- Solana Pool Liquidity Scanner API io.github.Br0ski777/solana-pools · TLS error
- OrcaVault io.github.Keiko-Dev-LCAI/orcavault-mcp · alive
- Trabalho Forçado (Lista Suja) io.github.mcp-dir/trabalho_forcado-mcp · alive
- Priorcase com.priorcase/priorcase · alive
- io.github.orcar-studio/fascia-mcp-server · needs env
- Orca MCP Server io.github.jascal/orca-mcp-server · 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.