io.github.j0hanz/cortex-mcp
Cortex MCP — Multi-Level Reasoning Server
Is the Cortex MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
Multi-level reasoning MCP server with configurable depth levels
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y @j0hanz/cortex-mcp@1.11.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- cortex-mcp 1.11.0
- Capabilities
- completions, logging, prompts, resources, tools
- Instructions
- 240 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.2k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 1.2k. The o200k_base estimate is 703. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/j0hanz/cortex-mcp
- Website
- https://github.com/j0hanz/cortex-mcp#readme
- Registry
- active, updated 2026-03-06 · 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, 1.74×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| reasoning_think | 1 226 | 703 | 100 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- IFC Viewer Online io.github.j03rul4nd/ifc-viewer-mcp · alive
- Code Assistant io.github.j0hanz/code-assistant · alive
- Code Lens io.github.j0hanz/code-lens · alive
- Code Review Analyst io.github.j0hanz/code-review-analyst · not found
- Fetch URL MCP Server io.github.j0hanz/fetch-url-mcp · not found
- io.github.j0hanz/filesystem-context · not found
- Filesystem MCP io.github.j0hanz/filesystem-mcp · alive
- Memory MCP Server io.github.j0hanz/memory-mcp · crashed on start
Servers that mention cortex.
- com.cortexpad/cortexpad · needs auth
- AI Cortex Storage dev.aic0rt3x.memory/mcp · timeout
- CortexPlus io.cortexplus/cortexplus · alive
- Cortex io.github.100monkeys-ai/cortex · needs your URL
- Cortex io.github.FilippoPilo/cortex · alive
- AnswerPool (formerly CortexAssay) io.github.blakeyounger/cortexassay · not found
- io.github.jonahthan433/cortexcloud · alive
- io.github.meltingpixelsai/zero-core-intel · not found
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 06:54 | alive | 352 ms | 1 | 1.2k | 703 |
| 2026-10-18 06:41 | alive | 462 ms | 1 | 703 |
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.