MCP Credentials Broker

Provides secure OAuth2-based credential management for MCP servers, allowing agents to obtain short-lived token references without exposing raw secrets.

→ ars-system/mcp-credentials-broker · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

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

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 6 credentials: AWS_CLIENT_SECRET, AZURE_CLIENT_SECRET, GCP_CLIENT_SECRET, GITHUB_CLIENT_SECRET, OAUTH2_CLIENT_SECRET, OKTA_CLIENT_SECRET

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

// known CVEs in dependencies2 high1 low

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

high@modelcontextprotocol/sdk@0.5.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowuuid@9.0.1GHSA-w5hq-g745-h8pq

uuid: Missing buffer bounds check in v3/v5/v6 when buf is provided

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

configAWS_CLIENT_ID

🔐 secretAWS_CLIENT_SECRET

configAZURE_CLIENT_ID— your-client-id

🔐 secretAZURE_CLIENT_SECRET— your-client-secret

configGCP_CLIENT_ID— your-client-id

🔐 secretGCP_CLIENT_SECRET— your-client-secret

configGITHUB_CLIENT_ID— your-client-id

🔐 secretGITHUB_CLIENT_SECRET— your-client-secret

configOAUTH2_CLIENT_ID

🔐 secretOAUTH2_CLIENT_SECRET

configOKTA_CLIENT_ID— your-client-id

🔐 secretOKTA_CLIENT_SECRET— your-client-secret

configOKTA_DOMAIN— your-org.okta.com

// 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 2 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/ars-system-mcp-credentials-broker-ugds3j)](https://m8ven.ai/mcp/ars-system-mcp-credentials-broker-ugds3j)

commit: 4a4e4c13c2e6c0b485c947ae325359d0686e9efa

code hash: 49951bcf155608e24b48c6411386dfdc214384fcc2c21891e2e5121c30ef8c48

verified: 6/22/2026, 12:30:46 PM

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