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Compare MCP servers

Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionMcpcA universal CLI client for MCPMartinLoop MCP ServerAn independent control layer that gives AI coding agents budgets, brakes, and receipts
FMRS66 / 100 · C79 / 100 · B
Reliability8 / 2012 / 20
Security and permissions14 / 2018 / 20
Maintenance14 / 2016 / 20
Documentation20 / 2018 / 20
Setup experience10 / 2015 / 20
Best for
  • Developers and AI agents who want to interact with MCP servers via CLI
  • Users who need to script MCP operations or integrate into CI/CD
  • Those who need to safely expose MCP credentials in sandboxed environments
  • 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
  • Users seeking a graphical interface
  • Users needing built-in LLM calling (mcpc does not use LLMs itself)
  • Users requiring Roots or Sampling support (not supported)
  • 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
  • Access local file system for configuration and session files
  • Network access to connect to remote MCP servers
  • OS keychain for storing credentials
  • Potential proxy access in AI sandbox scenarios
  • 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
  • MCP servers may execute arbitrary commands or access local resources; ensure to use trusted servers
  • Proxy feature may expose local services; configure binding addresses carefully
  • x402 payments involve cryptocurrency transactions and financial risk
  • OAuth credentials stored in keychain; protect system security
  • 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 CodeClaude Code, Codex, Gemini CLI, Cursor, VS Code, GitHub Copilot, Continue
Tools290