io.github.FrontlineSystems/rason-mcp-server
RASON
Is the RASON MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
Build, solve, and analyze RASON optimization, simulation, data science, and decision models
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y @frontlinesystems/rason-mcp-server@2026.5.5 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- rason-mcp-server 2026.5.5
- Capabilities
- prompts, resources, tools
- Instructions
- 1 658 characters
- Of a 1M window
- 0.9 % of a 1M context window
- Count
- 8.5k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 8.8k. The o200k_base estimate is 5.2k. Counted again when the tool definitions change. Method.
- Website
- https://www.solver.com/rason
- Registry
- active, updated 2026-05-27 · registry entry
- Changes
- 2 recorded, reachable in 2 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, 1.64×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| delete_model | 762 | 463 | 9 % |
| put_model_with_files | 641 | 390 | 8 % |
| solve_model | 627 | 381 | 7 % |
| diagnose_model | 586 | 356 | 7 % |
| list_models | 538 | 327 | 6 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Midnight + Next.js MCP io.github.FractionEstate/midnight-nextjs-mcp · crashed on start
- io.github.FrankXMX/dailyhotmcp · alive
- Drizzle MCP io.github.Fredobumma/drizzle-mcp · crashed on start
- FreeVectorIcons io.github.FreeVectorIcons/fvi-mcp · needs env
- gecko-mcp io.github.Frumane/gecko-mcp · alive
- Funplay Cocos MCP io.github.FunplayAI/funplay-cocos-mcp · needs env
- Funplay Godot MCP io.github.FunplayAI/funplay-godot-mcp · needs env
- Funplay Unreal MCP io.github.FunplayAI/funplay-unreal-mcp · needs env
Servers that mention optimization or simulation.
- openaso ai.openaso/openaso · needs auth
- Routing24 ai.routing24/mcp · needs auth
- Marketing Intelligence & Optimization ai.saifs/marketing-intelligence · needs auth
- Supreme Mind ai.suprememind/expert-witness-simulation · needs auth
- Pokemon TCG Pocket Catalog app.hologallery.pocket/pokemon-tcg-pocket-catalog · alive
- 3DOptix com.3doptix/optical-design · needs auth
- Alchemy MCP Server com.alchemy/mcp · needs auth
- DAG Studio MCP com.blackswancausallabs/dagstudio-mcp · needs auth
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-25 06:52 | alive | 222 ms | 20 | 8.5k | 5.2k |
| 2026-10-18 06:39 | alive | 197 ms | 20 | 5.2k |
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.