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Dev.to
Dev.to
6/18/2026
I built a persistent memory API for AI agents — and it's free

I built a persistent memory API for AI agents — and it's free

Short summary

AgentMemo is a free REST API that gives AI agents persistent semantic memory—storing and retrieving information by meaning rather than keywords. It integrates natively with Claude, Cursor, and MCP systems, with support for TTL, namespacing, and edge deployment. Sign up instantly without credit card to build agents that remember user context across sessions.

  • Solves agent memory loss between sessions using semantic search, not keyword matching
  • Native MCP support integrates with Claude, Cursor, and works across all AI platforms
  • Free during beta with instant signup, no credit card required

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