Memory Store (now MemStore) alternatives

Renamed MemStore (memory.store now redirects to mem.store); YC Spring 2026. Shared memory layer delivered as an MCP server: a team's AI agents record decisions/progress across sessions and recall from teammates' stores with sources attached; daily email… Full Memory Store (now MemStore) record →

  1. 1 Mem0 Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with Memory Store (now MemStore) →

  2. 2 Letta / MemGPT Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with Memory Store (now MemStore) →

  3. 3 Memori Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 17k released 2026-05-28 Apache-2.0 Compare with Memory Store (now MemStore) →

  4. 4 SuperLocalMemory Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 227 released 2026-10-17 AGPL-3.0-or-later (commercial licence available) Compare with Memory Store (now MemStore) →

  5. 5 OpenMemory (now LongMemory) Dedicated memory layers ⚠ renamed — now LongMemory

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 4.5k released 2025-12-12 Apache-2.0 Compare with Memory Store (now MemStore) →

  6. 6 MemMachine Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.2k released 2026-05-18 Apache-2.0 Compare with Memory Store (now MemStore) →

  7. 7 AutoGLM (Zhipu AI) Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode, fact) · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 26k Apache-2.0 Compare with Memory Store (now MemStore) →

  8. 8 Pieces for Developers (LTM) Dedicated memory layers

    also in Dedicated memory layers · same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ ★ 113 Compare with Memory Store (now MemStore) →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.