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jcode

MCPOpen source

jcode is a RAM-efficient AI coding agent harness with MCP support, optimized for multi-session workflows.

19kMIT

The most RAM efficient harness

Pros

  • +Extremely low RAM usage (27.8 MB per session without local embeddings)
  • +Supports MCP (Model Context Protocol) for extensibility
  • +Cross-platform (Linux, macOS, Windows)
  • +Designed for scaling multi-session workflows

Cons

  • −Relatively new and less established than some alternatives
  • −May require learning a new CLI and configuration
  • −Local embeddings increase RAM usage significantly

Target audience: Developers and teams who need a lightweight, resource-efficient AI coding agent for running multiple concurrent sessions.

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Open-source agent harness performance optimization system with skills, memory, and security for AI coding tools.

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