effect-mcp

Item: effect-mcp
Rating: 56
Author: M8ven

A Model Context Protocol server that provides real-time access to Effect ecosystem documentation, enabling AI assistants to retrieve accurate and up-to-date docs for Effect packages.

→ niklaserik/effect-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 4 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.

// known CVEs in dependencies4 high

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

high@modelcontextprotocol/sdk@1.17.4GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.17.4GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.4GHSA-w48q-cv73-mx4w

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

higheffect@3.14.11GHSA-38f7-945m-qr2g

Effect `AsyncLocalStorage` context lost/contaminated inside Effect fibers under concurrent load with RPC

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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/niklaserik-effect-mcp-1h2bf4)](https://m8ven.ai/mcp/niklaserik-effect-mcp-1h2bf4)

commit: 5c6a0c76ca408a7d96dc98eb442f4b68aa659389

code hash: cff5e3fb19eae4bae4657a8e5a6efa0536a6a4afc1683127d1ea8b705c3a7f1a

verified: 6/11/2026, 12:03:21 PM

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