MCP Memory Service: three ways in

MCP Memory Service: three ways in An architecture diagram generated by Archify. Agent frameworks · LangGraph, CrewAI, HTTP · Architecture component Agent frameworks LangGraph, CrewAI, HTTP Terminal and IDE agents · Claude Code, Codex, Cursor · Architecture component Terminal and IDE agents Claude Code, Codex, Cursor Browser chat · claude.ai, ChatGPT · Architecture component Browser chat claude.ai, ChatGPT REST API · FastAPI, /api/* · Architecture component REST API FastAPI, /api/* stdio server · memory server, default mode · Architecture component stdio server memory server, default mode Streamable HTTP · /mcp, stateless · Bearer token or API key on /mcp · local-only tools off Streamable HTTP /mcp, stateless local-only tools off OAuth 2.1 app · discovery, DCR, token · Bearer token or API key on /mcp OAuth 2.1 app discovery, DCR, token MemoryServer · list_tools, call_tool · Architecture component MemoryServer list_tools, call_tool MemoryStorage · backend interface · Architecture component MemoryStorage backend interface Consolidation · scheduled, in the HTTP app · Architecture component Consolidation scheduled, in the HTTP app SQLite-vec · vector search · Backends implementing MemoryStorage SQLite-vec vector search Hybrid · SQLite-vec + Cloudflare sync · Backends implementing MemoryStorage Hybrid SQLite-vec + Cloudflare sync Cloudflare · D1 + Vectorize · Backends implementing MemoryStorage Cloudflare D1 + Vectorize HTTP MCP stdio Bearer token sign in verify token tool calls tool calls reads, writes reads, writes Bearer token or API key on /mcp Backends implementing MemoryStorage Legend Backend Database Cloud Security External