Nostr

Integrates with Nostr to enable posting notes and interacting with relays, simplifying decentralized social network engagement and content publishing.

→ abdelstark/nostr-mcp · listed on pulsemcp

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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 1 credential: NOSTR_NSEC_KEY

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

// known CVEs in dependencies2 high2 low

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

high@modelcontextprotocol/sdk@0.6.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.6.0GHSA-w48q-cv73-mx4w

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

lowexpress@4.18.3GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

lowexpress@4.18.3GHSA-rv95-896h-c2vc

Express.js Open Redirect in malformed URLs

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.

configLOG_LEVEL

🔐 secretNOSTR_NSEC_KEY— your_nsec_key_here

configNOSTR_RELAYS— wss://relay.damus.io,wss://relay.primal.net,wss://nos.lol

configPORT

configSERVER_MODE

// 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 1 concrete improvement 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/abdelstark-nostr-mcp-o6g5vy)](https://m8ven.ai/mcp/abdelstark-nostr-mcp-o6g5vy)

commit: 0d4e5431fe877954fe99eb35e3427a4727ce4a12

code hash: a94870a7bb4c020f22765669ff09fcfb64fb5981002fb40244f4433df5f5064e

verified: 6/9/2026, 11:04:39 AM

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