# nostr-mcp-auth

> nostr-mcp-auth — samsoncyber-nostr-mcp-auth. Use this tool when you need to securely authenticate agents accessing MCP servers, as it verifies Nostr key signatures offline to ensure authorized access. It solves the problem of unauthorized tool access by requiring signed HTTP requests, providing an additional layer of security. The tool takes Nostr key-signed HTTP requests as input and outputs verified authentication status, making it ideal for use cases requiring secure authentication and authorization.

Canonical page: https://skillsregistry.net/skills/samsoncyber-nostr-mcp-auth  
JSON: https://api.skillsregistry.net/v1/skills/samsoncyber-nostr-mcp-auth

## Description

A Nostr-based authentication gate for MCP servers that requires agents to sign HTTP requests with a Nostr key, verifying signatures offline to secure tool access.

## Trust

- **Trust score (0–1):** 0.82
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/vb234u55et)
- **Repository:** <https://github.com/SamsonCyber/nostr-mcp-auth>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "samsoncyber-nostr-mcp-auth"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/samsoncyber-nostr-mcp-auth` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/samsoncyber-nostr-mcp-auth/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt