com.frontiercrown.signer/nostr-signer
Nostr Signer
com.frontiercrown.signer/nostr-signer costs 1 887 tokens of context per session. It has 17 tool definitions. That is 0.9 % of a 200k window. Measured 2026-10-03.
Approve Nostr signatures with your own browser signer without exposing a private key.
alive probed 2026-10-03 · HTTP 200
17tools
1.9ktokens for the tool definitions
0.9 %of a 200k context window
703 msto initialize
68 msto list tools
- Endpoint
- https://signer.frontiercrown.com/mcp (streamable-http)
- Host
- signer.frontiercrown.com
- Protocol
- 2025-11-25
- Reports itself as
- nostr-signer-chatgpt 0.4.0
- Capabilities
- tools
- Instructions
- 893 characters
- Repository
- https://github.com/hudhaifahz/nostr-signer-chatgpt
- Registry
- active, updated 2026-09-11 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| approve_grynvault_browser_handoff | 177 | 9 % |
| prepare_event | 176 | 9 % |
| query_events | 156 | 8 % |
| prepare_grynvault_supporter_invoice | 136 | 7 % |
| create_grynvault_nip05_invoice | 135 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:29 | alive | 703 ms | 17 | 1.9k |
| 2026-10-03 17:48 | alive | 635 ms | 17 | 1.9k |
Badge
[](https://mcp-pulse.ulehla.dev/s/com.frontiercrown.signer/nostr-signer)