primer/react

An MCP server that connects AI tools to the Primer Design System

→ primer/react· npm: @primer/mcp· listed on npm

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: FIGMA_ACCESS_TOKEN. We can’t prove the destination matches the brand the credential belongs to.

🚨

Known vulnerabilities in dependencies: 1 critical

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

🔐

You'll be asked for 1 credential: FIGMA_ACCESS_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies1 critical1 medium1 low

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

critical@vitest/browser@4.1.5GHSA-2h32-95rg-cppp

Vitest browser mode serves unsanitized otelCarrier query parameter as inline script

mediumturbo@2.6.3GHSA-hcf7-66rw-9f5r

Trubo: Login callback CSRF/session fixation

lowturbo@2.6.3GHSA-3qcw-2rhx-2726

Turbo: Unexpected local code execution during Yarn Berry detection

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configAPI_URL

configBABEL_MODULE

🔐 secretFIGMA_ACCESS_TOKEN

configFILE_URL

configSHOW_ALL

// 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/primer-mcp-17wj4w)](https://m8ven.ai/mcp/primer-mcp-17wj4w)

commit: e82843d69ea4f5b83e8ab545556046939d716e0d

code hash: c492fbecedb04089bc2270f59e1dcf563a1d78664ea53badc9993ff6fd46b011

verified: 6/9/2026, 11:39:22 AM

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