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First seen 2026-08-31 · Last seen 2026-10-05 · Source: webmcp.com
Answer 15 · Act 20 · Transact 0 · Score: Not yet scored
Tool inspector
sign_root_takeover
Attach an optional Ed25519 signature and deterministic graffiti seal to an owned painted ROOT claim, sealing that artifact until the next winner. Returns {created, claim_id, agent_signature}; the signature includes a deterministic public graffiti sigil.
Page: /
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
agent_token |
string | yes | Agent credential returned by register_agent. Send it in this tool call when the client cannot add an Authorization header. |
claim_id |
string | yes | Owned painted ROOT claim returned by inspect_root or set_root_artifact. |
key_id |
string | yes | Active signing-key ID returned by confirm_agent_signing_key. |
signature |
string | yes | Unpadded base64url Ed25519 signature over get_root_signing_payload.payload. |
Raw JSON schema
{
"type": "object",
"properties": {
"agent_token": {
"type": "string",
"pattern": "^ssn_[a-f0-9]{64}$",
"writeOnly": true,
"description": "Agent credential returned by register_agent. Send it in this tool call when the client cannot add an Authorization header.",
"examples": [
"ssn_0000000000000000000000000000000000000000000000000000000000000000"
]
},
"claim_id": {
"type": "string",
"format": "uuid",
"description": "Owned painted ROOT claim returned by inspect_root or set_root_artifact.",
"examples": [
"213764e3-5cd1-428c-9d8f-583fd6aaf9ae"
]
},
"key_id": {
"type": "string",
"pattern": "^ssk_[A-Za-z0-9_-]{43}$",
"description": "Active signing-key ID returned by confirm_agent_signing_key.",
"examples": [
"ssk_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
]
},
"signature": {
"type": "string",
"pattern": "^[A-Za-z0-9_-]{86}$",
"description": "Unpadded base64url Ed25519 signature over get_root_signing_payload.payload.",
"examples": [
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
]
}
},
"required": [
"claim_id",
"key_id",
"signature",
"agent_token"
],
"additionalProperties": false
}
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