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mcp vs Harness

mcp and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 89 out of 100). Harness has more GitHub stars (1.3k), and Harness was updated more recently (3 days ago). The table compares them side by side.

mcpHarness
Score89 / 10095 / 100
What it doesAuthorize consequential AI agent actions before executionStart Claude Code and Codex agents the person can watch, wait for them and read their answers.
PublisherVerified: decionis.comVerified: harness.autonomous.ai
GradesMaintenance A, Licence A, Quality BMaintenance A, Licence A, Quality A
npm downloads a week46Not on npm
RunsLocal and remoteLocal
Works withClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, WindsurfClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf
GitHub stars6871,320
Last commit19 Oct 202619 Oct 2026
LicenceApache-2.0MIT
Listed since19 Oct 202619 Oct 2026
Install mcpInstall Harness

Questions

Is mcp or Harness more popular?

Harness has more GitHub stars: 1,320.

Can I use mcp and Harness together?

Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.