Nostr Signer MCP Server
by hudhaifahzcom.frontiercrown.signer/nostr-signerv0.4.0
Approve Nostr signatures with your own browser signer without exposing a private key.
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Active29d ago
Install Nostr Signer MCP server
Install in Claude Code
claude mcp add --transport http nostr-signer-chatgpt https://signer.frontiercrown.com/mcpInstall in Cursor
{
"mcpServers": {
"nostr-signer-chatgpt": {
"url": "https://signer.frontiercrown.com/mcp"
}
}
}Install in Claude Desktop
{
"mcpServers": {
"nostr-signer-chatgpt": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://signer.frontiercrown.com/mcp"
]
}
}
}Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.
Install in VS Code
{
"servers": {
"nostr-signer-chatgpt": {
"type": "http",
"url": "https://signer.frontiercrown.com/mcp"
}
}
}Install in Windsurf
{
"mcpServers": {
"nostr-signer-chatgpt": {
"serverUrl": "https://signer.frontiercrown.com/mcp"
}
}
}Remote endpoints
- streamable-http
https://signer.frontiercrown.com/mcp
Freshness
Active — last maintenance signal 29d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-11 · 29d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-11 · 29d ago · official registry · v0.4.0
FAQ
›How do I install the Nostr Signer MCP server in Claude Code?
Run: claude mcp add --transport http nostr-signer-chatgpt https://signer.frontiercrown.com/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Nostr Signer require an API key?
No required environment variables are declared in its published metadata.
›Can I use Nostr Signer as a remote (hosted) MCP server?
Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.
›Is Nostr Signer in the official MCP registry?
Yes, as com.frontiercrown.signer/nostr-signer.
Alternatives to Nostr Signer
Other browser automation MCP servers.