Usecortex MCP README
The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Usecortex MCP listing page.
UseCortex MCP Server
Give your AI coding agent a persistent memory — read and write knowledge from any tool.
Website · Quick Start · Tools · Pricing
UseCortex MCP is a Model Context Protocol server that gives AI coding agents persistent memory. Your agent can read knowledge you've stored and write new discoveries back — all through a single encrypted endpoint.
No context window limits. No copy-pasting. No outdated docs. Your AI remembers everything.
How It Works
- You chat — describe your coding standards, architecture decisions, client requirements, anything
- UseCortex extracts — AI automatically organizes facts into structured topics
- Your agent recalls — any MCP-compatible tool can query your knowledge instantly
- Knowledge grows — your agent can push new discoveries back, so your knowledge base stays current
Features
- Two-way knowledge flow — read context into projects, write discoveries back
- Works with any MCP client — compatible with any AI coding agent that supports the Model Context Protocol
- Encrypted at rest — AES-256 encryption with per-user keys
- No vendor lock-in — your knowledge works across every AI tool
- Structured by topic — knowledge auto-organized, not dumped in one pile
Quick Start
Prerequisites
- A free UseCortex account
- An MCP-compatible AI coding agent
1. Generate an API key
Sign up at usecortex.net, then navigate to Settings → API Keys → Generate.
Note: Copy the key immediately after generation. It will not be shown again.
2. Install (one command)
Run this in your terminal — replace YOUR_API_KEY with the key from step 1:
That's it. Restart your AI coding agent and UseCortex tools are ready.
Manual setup (alternative)
If you prefer to configure manually, add this to your MCP client config file:
Replace YOUR_API_KEY with the key generated in step 1.
Available Tools
query_knowledge
Ask a natural language question and get an AI-powered answer based on your stored knowledge.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | Natural language question |
topic | string | No | Filter by specific topic |
list_topics
List all knowledge topics. Takes no parameters.
add_knowledge
Write new knowledge to your base. Your agent can store discoveries, decisions, or patterns it finds.
| Parameter | Type | Required | Description |
|---|---|---|---|
content | string | Yes | The knowledge to store |
topic | string | No | Topic to file under (auto-detected if omitted) |
get_topic
Retrieve all knowledge entries for a specific topic.
| Parameter | Type | Required | Description |
|---|---|---|---|
topic | string | Yes | Topic name to retrieve |
search_knowledge
Search knowledge entries by keyword (text match).
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | Search term |
capture_session (Memory plan)
Capture an AI session summary into persistent memory. Store what you learned, decided, or built.
| Parameter | Type | Required | Description |
|---|---|---|---|
summary | string | Yes | Compressed summary of the session |
tool | string | No | AI tool used (claude-code, cursor, chatgpt) |
project | string | No | Project name or path |
tags | string[] | No | Tags for categorization |
observations | string | No | Detailed observations as JSON string |
recall_memory (Memory plan)
Search across all captured session memories using AI. Ask what you worked on or what decisions were made.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | Natural language question about past sessions |
tool | string | No | Filter by AI tool |
project | string | No | Filter by project |
limit | number | No | Max results (default 20) |
list_sessions (Memory plan)
List recent captured session memories.
| Parameter | Type | Required | Description |
|---|---|---|---|
tool | string | No | Filter by AI tool |
project | string | No | Filter by project |
limit | number | No | Max results (default 10) |
Use Cases
| Who | What |
|---|---|
| Developers | Your coding standards, architecture decisions, and project context — automatically available to your AI agent |
| Support teams | Feed real policies and procedures to any support bot — it answers with facts, not guesses |
| Sales teams | Store client history, pricing, and objections — pull everything before meetings |
| Individuals | Your personal brain backup — everything you know, encrypted and accessible from any AI tool |
| HR & Onboarding | Your company playbook — processes, tools, culture — available to new hires instantly |
Pricing
| Free | Pro ($9/mo) | Memory ($19/mo) | Team ($39/mo) | |
|---|---|---|---|---|
| Knowledge entries | 100 | Unlimited | Unlimited | Unlimited |
| Topics | 3 | Unlimited | Unlimited | Unlimited |
| API calls/month | 500 | 10,000 | 50,000 | 200,000 |
| Two-way API | Read only | Yes | Yes | Yes |
| AI session capture | — | — | Yes | Yes |
| Memory recall | — | — | Yes | Yes |
| Markdown sync | — | — | Yes | Yes |
| Session history | — | — | 90 days | Unlimited |
| API keys | 1 | 5 | 10 | 50 |
| Team members | — | — | — | 25 |
| Audit logs | — | — | — | Yes |
Manage your plan at usecortex.net.
Security
- All communication encrypted over HTTPS
- Knowledge encrypted at rest with AES-256
- Per-user encryption keys — even we can't read your data
- API keys scoped per user with instant revocation
Contributing
Found a bug or have a feature request? Open an issue.
Links
- UseCortex — Create your account and manage knowledge
- cortex-cli — CLI for markdown sync & terminal usage
- Model Context Protocol — Learn about MCP
License
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