Skills/PyPI/langchain-mcp-adapters

langchain-mcp-adapters@0.3.2

VERIFIED

Publisher claims: "Make Anthropic Model Context Protocol (MCP) tools compatible with LangChain and LangGraph agents." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher langchain-ai · joined 2 days agoInstalls 6.2MLast detonated 1 h ago
$claude mcp add langchain-mcp-adapters -- uvx langchain-mcp-adapters
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-11-05 and scored it 88/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only

Static findings

MEDIUM
MCP server using network transport (SSE/HTTP)tests/test_server_info.py:175 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04

No other findings across 6,375 lines in 30 files.

Cost to the agent

Instructions loaded
≈66 tok
1 file · 30 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

Not checked against OSV yet; the weekly check has not reached this version.