5 tagged bi temporal, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
Bi-temporal, provenance-carrying long-term memory for AI agents, in one SQLite file. Runs locally from the @memharness/mcp npm package. Needs 1 environment variable to run.
YonasValentin/mcp-memory-graph
MCP server Claude CodeCodexCursor
Local-first memory for Claude Code and any MCP client: hybrid search + knowledge graph, $0/token. Runs locally from the mcp-memory-graph npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor
Context-M: deterministic, auditable, zero-cost memory for AI agents. Runs locally from the cortexm Python package.
MCP server Claude CodeCodexCursor
THOUGHT — Temporal Hierarchical Object Union & Graph Hybrid Toolkit. A local MCP memory server with bi-temporal graph + vector + temporal layers, a query router, and a consolidation engine. Runs locally from the thought-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "tenet-memory" as configured in Nas01010101/tenet. Runs locally from the tenet-memory Python package.