Open source — MIT licensed

Memory that persists across AI sessions

Episodic vector search for conversations. Semantic graph for entities and relationships. One pip install, works with Claude Code, Cursor, or any MCP client.

$ pip install engram-mem

Read the docs

engram

The problem

Every session starts from zero

Claude Code, Cursor, Copilot — they all forget. You re-explain project decisions, architecture choices, and team preferences every single time. On long-running projects, this friction compounds.

Two kinds of memory

Conversations need vector search — "what did we decide about auth?" Entity relationships need a graph — "which services depend on PostgreSQL?" Engram stores both, queries both, and fuses results through an LLM reasoning engine.

Plugs into your existing setup

MCP server for Claude Code and Cursor. HTTP API and WebSocket for custom agents. CLI for shell scripts and cron jobs. Entity-gated ingestion means only meaningful data gets stored — no noise.

Integration

MCP config for Claude Code json

{
  "mcpServers": {
    "engram": {
      "command": "engram-mcp",
      "env": { "GEMINI_API_KEY": "your-key" }
    }
  }
}

HTTP API with Python python

import httpx

api = "http://localhost:8765/api/v1"

# store a decision
httpx.post(f"{api}/remember", json={
    "content": "Use PostgreSQL for auth",
    "memory_type": "decision",
    "priority": 8
})

# recall later
r = httpx.get(f"{api}/recall",
    params={"query": "auth database"})
print(r.json()["results"])

CLI usage bash

# Initialize and start the daemon
engram init
engram start

# Store memories with metadata
engram remember "Deploy v2.1 caused 503 spike at 14:00" --type error --priority 9
engram remember "Team agreed: all new services use gRPC" --type decision --tags arch,grpc

# Semantic search across all memories
engram recall "production incidents" --limit 5

# LLM reasoning across episodic + semantic memory
engram think "What deployment patterns have caused issues?"

# Knowledge graph
engram add node "PostgreSQL" --type technology
engram add edge "auth-service" "PostgreSQL" --relation uses
engram query --related-to "PostgreSQL"