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Langchain MCP Tools vs Harness

Langchain MCP Tools and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 71 out of 100). Harness has more GitHub stars (1.3k), and Harness was updated more recently (4 days ago). The table compares them side by side.

Langchain MCP ToolsHarness
Score71 / 10095 / 100
What it doesMCP To LangChain Tools Conversion LibraryStart Claude Code and Codex agents the person can watch, wait for them and read their answers.
PublisherVerified: npm:@h1deyaVerified: harness.autonomous.ai
GradesMaintenance B, Licence A, Quality DMaintenance A, Licence A, Quality A
npm downloads a week429Not on npm
RunsLocalLocal
Works withClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, WindsurfClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf
GitHub stars241,320
Last commit22 Aug 202619 Oct 2026
LicenceMITMIT
Listed since20 Oct 202619 Oct 2026
Install Langchain MCP ToolsInstall Harness

Questions

Is Langchain MCP Tools or Harness more popular?

Harness has more GitHub stars: 1,320.

Can I use Langchain MCP Tools 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.