knowledge graph articles

cognee: open-source AI memory platform for agents

Jun 30, 2026·5 min read·11 sources

cognee topoteretes ai-memory agent-memory knowledge-graph+22

cognee is an Apache-2.0 open-source AI memory platform for agents: a self-hosted knowledge graph engine with a four-method API (remember, recall, forget, improve) and a Claude Code plugin.

codebase-memory-mcp: zero-dep code intelligence

Jun 24, 2026·4 min read·8 sources

codebase-memory-mcp mcp model-context-protocol tree-sitter knowledge-graph+12

Pure-C, single-binary MCP server that indexes a codebase into a Tree-Sitter knowledge graph in milliseconds. 13.3k stars, MIT, 5,604 tests, 11 agents. arXiv 2603.27277 reports 83% quality at 10× fewer tokens.