cortex
cortex is an MCP server, listed under model apis. It reaches cortex and openai. It needs CORTEX_TOKEN and OPENAI_API_KEY to authenticate. Its repository has 23 GitHub stars and is licensed under MIT; we last read it on 2026-10-22.
Cortex creates a local knowledge graph for developers by watching files and using LLMs to build connections between them, allowing queries across projects.
Install
Read from cortex’s own README, close to verbatim -- not written by us, and not guessed.
npm install -g @gzoo/cortex
What it reaches, and what it needs
Maintenance
Local-first knowledge graph for developers. Watches your files, builds a knowledge graph with LLMs, lets you query across projects.
What cortex can do
12 tools documented in its README. An AI client calls these by name.
cortex_ask- Natural language questions about your projects
get_status- System status and graph stats
list_projects- List registered projects
find_entity- Look up entities by name
query_cortex- Structured knowledge graph queries
get_contradictions- List detected contradictions
resolve_contradiction- Resolve a contradiction
search_entities- Search entities with filters
ingest_file- Trigger file ingestion
add_project- Register a new project
remove_project- Unregister a project
session_brief- Context summary for current session
Read from the README; names are kept only if the README contains them.
cortex compared with similar servers
| Server | Reaches | Needs | Stars | Last update | Licence |
|---|---|---|---|---|---|
| cortex (this page) | cortex, openai | CORTEX_TOKEN, OPENAI_API_KEY | 23 | 2026-09-30 | MIT |
| paperbanana | atlascloud, google, openai(1 shared) | ATLASCLOUD_API_KEY, GOOGLE_API_KEY, OPENAI_API_KEY | 2,412 | 2026-09-17 | MIT |
| ms-365-mcp-server | ms365, openai(1 shared) | MS365_MCP_ATTACHMENT_URL_KEY, MS365_MCP_CLIENT_SECRET, MS365_MCP_OAUTH_TOKEN, OPENAI_API_KEY | 1,068 | 2026-10-23 | MIT |
| just-prompt | anthropic, deepseek, gemini, groq, openai(1 shared) | ANTHROPIC_API_KEY, DEEPSEEK_API_KEY, GEMINI_API_KEY, GROQ_API_KEY, OPENAI_API_KEY | 739 | 2025-08-10 | — |
| flama | anthropic, openai(1 shared) | None listed | 304 | 2026-10-13 | Apache-2.0 |
| mcp-ragdocs | openai, qdrant(1 shared) | OPENAI_API_KEY, QDRANT_API_KEY | 265 | 2025-07-18 | MIT |
Ranked by services in common with cortex, then by stars. Figures are from each repository when we last read it.
Common questions about cortex
- What does cortex do?
- Cortex creates a local knowledge graph for developers by watching files and using LLMs to build connections between them, allowing queries across projects.
- How do I install cortex?
- Its own README gives this command: npm install -g @gzoo/cortex. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
- What does cortex connect to, and what does it need?
- It reaches cortex and openai. The credentials we found in its source are CORTEX_TOKEN and OPENAI_API_KEY.
- Is cortex official and is it maintained?
- We found nothing naming it as a vendor’s official server. Its repository has 23 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-09-30.
- What licence does cortex use?
- The repository declares the MIT licence.
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