Your agent's most expensive failure is not forgetting. It is confidently remembering the old answer. inspeximus retires a corrected fact by key, takes the correction back on command, and leaves a receipt you can verify. Long-term memory for AI agents: one zero-dependency Python file, MCP server for Claude Code, Cursor, Windsurf, Codex and Cline.
Agent memory + every context-engineering primitive (write / select / compress / isolate) in one importable library. Ranked recall with activation decay over SQLite/FTS5. One production dependency (better-sqlite3).