Sakana AI Scientist alternatives

Tokyo-based Sakana AI's autonomous research agent — generates ideas, runs experiments, writes papers, peer-reviews. v1 paper Aug-2024 (arXiv 2408.06292); v2 update 2025. **Sakana parent: $214M Series A Sep-2024 ($1.5B val; NEA + Khosla)**. Full Sakana AI Scientist record →

  1. 1 Garak Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 9.7k released 2026-10-16 Apache-2.0 Compare with Sakana AI Scientist →

  2. 2 Lasso Security Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Sakana AI Scientist →

  3. 3 Pillar Security Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Sakana AI Scientist →

  4. 4 11x.ai Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Sakana AI Scientist →

  5. 5 Datadog Bits AI Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Sakana AI Scientist →

  6. 6 Drata Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Sakana AI Scientist →

  7. 7 Vanta Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Sakana AI Scientist →

  8. 8 Specter Ops BloodHound Enterprise Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 3.5k released 2026-10-26 BloodHound OSS Apache-2.0 (Enterprise is… Compare with Sakana AI Scientist →

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.