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DimensionPare CargoStructured Rust cargo operations, optimized for AI agentsMartinLoop MCP ServerAn independent control layer that gives AI coding agents budgets, brakes, and receipts
FMRS34 / 100 · D79 / 100 · B
Reliability4 / 2012 / 20
Security and permissions5 / 2018 / 20
Maintenance8 / 2016 / 20
Documentation7 / 2018 / 20
Setup experience10 / 2015 / 20
Best for
  • Developers using Rust and Cargo
  • Scenarios requiring stable structured output for automation or AI integration
  • Agent workflows aiming to minimize token usage
  • Engineering teams scaling AI coding agents while controlling spend
  • Platform teams that need auditable, rollback-aware agent execution records
  • Organizations using multiple agents (Claude, Codex, Gemini) under one governed flow
Not for
  • Projects not using Rust or Cargo
  • Scenarios needing raw terminal output directly
  • Simple tasks without the need for structure and unfamiliarity with Rust toolchain
  • Developers who just want a simple code-completion helper without run governance
  • Teams unwilling to accept local JSONL run records with HMAC signing
  • Environments without a supported adapter (Claude/Codex/Gemini CLIs, direct provider, or verifier-only)
Required permissions
  • Execute Cargo commands (e.g., build, test, clippy, fmt, doc)
  • Access project directories to read configurations and source code
  • May create build artifacts (e.g., target directory)
  • Read/write access to the configured repo root (writable scope restrictable via --allow-path/--deny-path)
  • Ability to invoke the chosen agent CLI (Claude/Codex/Gemini, etc.) and its underlying model account
  • Local disk writes for run records, receipts, and share outputs (share/run-receipt., etc.)
  • Execution of user-configured verifier commands (e.g. npm test)
Risks and side effects
  • Cargo command execution may alter project state (e.g., generate files or modify lock files)
  • Tool outputs may contain sensitive information; handle with care
  • Dependency on Node.js environment and network (via npx package fetch)
  • Verifier commands are executed; poorly chosen verifier commands carry security risk despite preflight policy checks
  • Cost and token figures may be estimates (labeled with provenance) and should not be treated as settled accounting
  • Receipt integrity must be verified before use as trustworthy evidence; missing rollback evidence is flagged as EVIDENCE_BOUNDARY
  • Policy defaults come from martin.config.yaml and can be overridden by CLI flags; misconfiguration can loosen safety boundaries
Supported clientsClaude Desktop, Claude Code, Cursor, VS Code, Windsurf, Cline, Roo CodeClaude Code, Codex, Gemini CLI, Cursor, VS Code, GitHub Copilot, Continue
Tools50