Memsearch – Persistent, cross-agent, cross-session memory for AI agents
Cross-agent memory beats building separate context for Claude and Codex.

Memory sync across Claude/ChatGPT, but unproven competitive advantage over session-scoped context.
Power users of multiple AI tools, teams collaborating with AI agents across platforms
Claude Memory (native) · ChatGPT Memory · Mem (deprecated)
Cross-agent memory beats building separate context for Claude and Codex.
Cross-project memory for AI agents when single-project solutions already exist.
Vector search and FTS5 in SQLite means no separate vector database server needed.
Markdown files as agent memory source of truth with SQLite hybrid search.
Persistent memory and time travel for AI agents using local SQLite.
Finally remembers your architecture decisions between Claude Code sessions — CLAUDE.md couldn't do this.