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Compare MCP servers

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

DimensionContextStream MCP ServerPersistent memory and semantic code search for AI coding assistantsMartinLoop MCP ServerAn independent control layer that gives AI coding agents budgets, brakes, and receipts
FMRS73 / 100 · B79 / 100 · B
Reliability10 / 2012 / 20
Security and permissions15 / 2018 / 20
Maintenance15 / 2016 / 20
Documentation18 / 2018 / 20
Setup experience15 / 2015 / 20
Best for
  • Developers on long-running projects using Claude Code, Cursor, Windsurf, or similar tools
  • Teams needing cross-session memory and codebase understanding
  • 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 unwilling to index code to a cloud service
  • One-off scripts that need no persistent context
  • 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
  • Requires a ContextStream API key (secret env var)
  • Reads and indexes project code files
  • Optionally connects GitHub, Slack, and Notion integrations
  • Writes MCP configs, rules, and lifecycle hooks into editor settings
  • 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
  • Indexed code is stored in ContextStream's cloud (vendor states isolation per workspace)
  • A leaked API key could expose workspace data
  • Breaking changes with @modelcontextprotocol/sdk 1.28.0+
  • Hosted HTTP OAuth may be blocked on corporate networks
  • 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 Code, Cursor, Windsurf, Cline, Roo Code, VS Code + GitHub Copilot, Kilo Code, Codex, OpenCode, Aider, Antigravity, Claude DesktopClaude Code, Codex, Gemini CLI, Cursor, VS Code, GitHub Copilot, Continue
Tools170