context-mode: 98% context savings and session continuity across 17 AI coding agents
mksglu/context-mode is a 19.4k★ MCP server with 98% tool-output savings, SQLite/FTS5 session-continuity, and 17 supported agent platforms — under an ELv2 license.
Ratel: an in-process BM25 tool catalog that cuts AI agent context spend 87% on BFCL v3
Ratel (ratel-ai/ratel, 186★, Apache-2.0 core + MIT SDKs) ships an in-process BM25 tool catalog. On BFCL v3: ~87% fewer tokens, tool selection within ±5 points.
cognee: open-source AI memory platform for agents
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.