Bedrock AgentCore (AWS) alternatives

AWS Bedrock AgentCore — managed runtime to deploy + scale + observe agents. Multi-component: Runtime, Identity, Memory, Gateway, Browser, Code Interpreter, Observability. Full Bedrock AgentCore (AWS) record →

  1. 1 Cognition Devin v2 / Spec Mode Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (llm-arbitrate) · same memory unit (fact) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ released 2026-10-26 Compare with Bedrock AgentCore (AWS) →

  2. 2 ChatGPT — Codex (cloud agent) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Bedrock AgentCore (AWS) →

  3. 3 OpenHands Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 92k released 2026-09-25 MIT Compare with Bedrock AgentCore (AWS) →

  4. 4 Bolt.new (StackBlitz) — harness Agent IDEs & coding harnesses ⚠ inactive — no longer developed (pivoted)

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ ★ 17k Compare with Bedrock AgentCore (AWS) →

  5. 5 Manus AI Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? released 2026-09-28 Compare with Bedrock AgentCore (AWS) →

  6. 6 JetBrains AI Assistant Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ Compare with Bedrock AgentCore (AWS) →

  7. 7 Lovable.dev — harness Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with Bedrock AgentCore (AWS) →

  8. 8 Replit Agent v3 Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same retrieval (injection) · same conflict handling (llm-arbitrate) · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ released 2026-03-13 Compare with Bedrock AgentCore (AWS) →

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.