io.github.ottonic/standards-mcp-server
Ottoref — Standards MCP Server
Is the Ottoref MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
ISO 286 limits and fits, ISO 2768 tolerances, material properties, and process limits.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y standards-mcp-server@0.3.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- standards-mcp-server 0.3.0
- Capabilities
- tools
- Instructions
- 798 characters
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 3.8k tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 4.0k. The o200k_base estimate is 2.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ottonic/standards-mcp-server
- Website
- https://github.com/ottonic/standards-mcp-server#readme
- Registry
- active, updated 2026-10-31 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.70×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| process_feasibility | 487 | 287 | 13 % |
| material_properties | 451 | 266 | 12 % |
| general_tolerance | 414 | 244 | 11 % |
| general_tolerance_complies | 404 | 238 | 11 % |
| fit | 387 | 228 | 10 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.ostraagent/mcp · timeout
- Ottogeo — CAD MCP Server io.github.ottonic/cad-mcp-server · alive
- Ottorev — Review MCP Server io.github.ottonic/review-mcp-server · crashed on start
- Ottosim — Simulation MCP Server io.github.ottonic/simulation-mcp-server · crashed on start
- pseolint io.github.ouranos-labs/pseolint · alive
- io.github.overstarry/qweather-mcp · alive
- io.github.oviron/openrouter-admin · alive
- io.github.ownedbyly/weather · alive
Servers that mention standards.
- SpecProof ai.specproof/specproof-mcp · alive
- AppGenie Compliance MCP au.com.appgenie/compliance-mcp · needs auth
- Centering Lab com.centeringlab/centering-lab · alive
- Coderbuds com.coderbuds/insights · needs auth
- Legends of Learning com.legendsoflearning.app/catalog · alive
- MCPFax Vehicle Diagnostics com.mcpscores/vehicle-fault-codes · alive
- Oolkin com.oolkin/oolkin · needs auth
- Pet Data Station com.petforai/pet-data-station · 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.