Nostr Signer MCP server

Approve Nostr signatures with your own browser signer without exposing a private key.

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● Online, checked 143 min ago · 415 ms

Source: official MCP Registry entry com.frontiercrown.signer/nostr-signer · repository

Direct MCP URL and setup

CLAUDE CODE

claude mcp add --transport http com-frontiercrown-signer-nostr-signer https://signer.frontiercrown.com/mcp

CURSOR / VS CODE (mcp.json)

{ "mcpServers": { "com-frontiercrown-signer-nostr-signer": { "url": "https://signer.frontiercrown.com/mcp" } } }