LangSmith MCP Server

TypeScript MCP server that enables AI agents to manage LangSmith traces, prompts, datasets, experiments, and billing through natural language.

→ amitrechavia/langsmith-mcp-server-js · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 1 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

// known CVEs in dependencies1 critical1 high2 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@4.0.18GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

highlangsmith@0.5.3GHSA-3644-q5cj-c5c7

LangSmith SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning

lowlangsmith@0.5.3GHSA-fw9q-39r9-c252

LangSmith Client SDKs has Prototype Pollution in langsmith-sdk via Incomplete `__proto__` Guard in Internal lodash `set()`

lowlangsmith@0.5.3GHSA-rr7j-v2q5-chgv

LangSmith SDK: Streaming token events bypass output redaction

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// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/amitrechavia-langsmith-mcp-server-js-19wq3o)](https://m8ven.ai/mcp/amitrechavia-langsmith-mcp-server-js-19wq3o)

commit: 4df00253a32a9f381494d57c62ec46158a803c78

code hash: 5c35ab042f5f03d90bd6161fa837775629d8af4896260aa8ad4d6c85a4f55e3a

verified: 6/11/2026, 12:15:20 PM

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