Nostr MCP Server

Item: Nostr MCP Server
Rating: 58
Author: M8ven

A Model Context Protocol (MCP) server that provides Nostr capabilities to LLMs like Claude.

→ AustinKelsay/nostr-mcp-server · listed on mcp_so

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// key findings

⚠️

Known vulnerabilities in dependencies: 5 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 dependencies5 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@1.11.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.11.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.11.0GHSA-w48q-cv73-mx4w

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

highws@8.16.1GHSA-3h5v-q93c-6h6q

ws affected by a DoS when handling a request with many HTTP headers

highws@8.16.1GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

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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 5 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/austinkelsay-nostr-mcp-server-1twv5x)](https://m8ven.ai/mcp/austinkelsay-nostr-mcp-server-1twv5x)

commit: 010b6dcb5aa87d268e0182554e3f9b0055e8fdab

code hash: 8acbd3ead953042c3d5d05d83504361e564d0fa77e7ce0f0bfe28572ffc615b9

verified: 6/17/2026, 11:48:29 AM

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