@langchain/mcp-adapters

Name: @langchain/mcp-adapters Review
Item: @langchain/mcp-adapters
Rating: 3.8
Author: Aaron Matthews

Connector Development Solid

Works inClaude Code Claude Cowork Claude Chat

Solid Scanned — metadata only

Enables LangChain.js applications to integrate with MCP servers, reducing custom integration work and expanding access to external tools and data sources wit…

LangChain.js adapters for Model Context Protocol (MCP)

Connect Claude to existing LangChain.js tools without rewriting integration code.
Enable Claude to access LangChain.js agents and chains through standard MCP protocol.
Reduce integration complexity when bridging Claude and LangChain.js applications.

17,976 starsMIT (commercial OK)FreeNo code needed

Why it matters

Enables LangChain.js applications to integrate with MCP servers, reducing custom integration work and expanding access to external tools and data sources without rebuilding adapter logic.

Best for

Node.js teams building LangChain-based AI agents requiring standardized connections to third-party APIs and data services.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://www.npmjs.com/package/@langchain/mcp-adapters

By GitHub Actions

How to Get It

Option 1: Claude Desktop AppOpen the Customize panel in the sidebar → browse connectors → search and add. Works in Claude Code, Claude Cowork, and Claude Chat.

Option 2: Paste into Claude CodeCopy the command below and paste it into a Claude Code conversation. Claude will run it for you.

Command

npx -y @langchain/mcp-adapters

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

Once it’s connected, paste this into Claude:

Help me connect Claude to existing LangChain.js tools without rewriting integration code

CostFree

Trust Signals Auto-scanned

Stars17,976Last updated2026-07-21LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-23 · scanner v1

Data & Access

Data processingPrompts sent to Anthropic API. Enterprise/Team plans exclude training.

Community Pulse New

No community discussions found yet. This doesn't mean the tool isn't good — it may be new or serve a niche use case.

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 17,976 GitHub stars; contributors unknown; last commit 2d ago; license MIT.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

4/5

Versatility

5/5

Reliability

3/5

Security

3/5

Overall score3.85 / 5.00 SolidEvaluatedJul 2026

Scored from trust signals (evidence-eval-v1): 17,976 GitHub stars; contributors unknown; last commit 2d ago; license MIT.

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