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OSS in-IDE coding-assistant plugin — supports VS Code and JetBrains. Customisable: any model, any context provider, any slash-command. "Agent mode" added 2024 for multi-step plan + execute. Memory layer = .continue/rules; separate Memory MCP. Full Continue.dev record →

  1. 1 Zed (Agentic Editing) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 89k released 2026-08-12 GPL-3.0-or-later (primary), with Apache-2.0… Compare with Continue.dev →

  2. 2 Opencode (SST) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 222k released 2026-10-22 MIT Compare with Continue.dev →

  3. 3 Cline (harness) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 68k released 2026-09-02 Apache-2.0 Compare with Continue.dev →

  4. 4 Goose (Block) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 56k released 2026-10-23 Apache-2.0 Compare with Continue.dev →

  5. 5 Claude Code (Anthropic) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 153k released 2026-10-23 proprietary — © Anthropic PBC, use subject to… Compare with Continue.dev →

  6. 6 Charm Crush Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 28k released 2026-08-31 FSL-1.1-MIT (source-available; converts to MIT… Compare with Continue.dev →

  7. 7 Aider (harness) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP — ★ 50k released 2026-02-12 Apache-2.0 Compare with Continue.dev →

  8. 8 Kiro Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ✓ released 2026-10-22 Compare with Continue.dev →

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.