cypher_update_patron_credential
ActiveTool of cypher-mcp
declared in 3.4.2
Add or update a single patron credential field. Merges into existing stored credentials without affecting other fields. Useful for setting an account identifier after OAuth, changing a default brain, etc. Free. Proof of npub ownership is required — this is a write to the patron's sensitive credential vault.
Parameters schema
{
"type": "object",
"required": [
"npub",
"dpop_token",
"field",
"value"
],
"properties": {
"npub": {
"type": "string",
"description": "The patron's Nostr public key (npub1...)."
},
"field": {
"type": "string",
"description": "The credential field name to set."
},
"value": {
"type": "string",
"description": "The value to store."
},
"dpop_token": {
"type": "string",
"description": "Raw JSON of a kind-27235 Nostr event signed by npub —\nnot base64, not NIP-98 'Authorization: Nostr <b64>' framing. Its\n`u` tag must hold THIS tool's exact name (from tools/list), not\nthe endpoint URL; content:\"\", created_at within 60s of now, and a\nrandom `nonce` tag recommended. Or a cached dpop_token phrase."
}
},
"additionalProperties": false
}No endpoints wrapped at confidence ≥ 0.70.
Parent server
cypher-mcp
https://github.com/lonniev/cypher-mcp
2/7 registries