KeyHalve - verify sealed documents
mcp remote · streamable-http · v1.0.1 · source: crawl
https://mcp.keyhalve.com/mcp
https://github.com/keyhalve/keyhalve-mcp
Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.
Works
100
Verified Oct 31, 2026 · p50 318 ms · p95 376 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'keyhalve-verify' |
| tools_listed | 15 | pass | 3 tools |
| schema_complete | 15 | pass | 3 of 3 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 318 ms |
| latency_p95 | 5 | pass | p95 376 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (3)
| Name | Description | Schema |
|---|---|---|
keyhalve_verify | Verify a KeyHalve-sealed document. Accepts a verify URL, the raw text of a KeyHalve QR code, or a document id (vp_…, kh_…, cb_…). Returns the cryptographic verdict: whether the seal exists, its live s | typed |
keyhalve_status | Live status of a KeyHalve-sealed document by id: active, revoked (with reason/time), or outside its validity window. Lighter than keyhalve_verify — status only, no integrity or rail checks. Use for "i | typed |
keyhalve_explain | Plain-language explanation of what a KeyHalve verification verdict means and why it can be trusted (blind rail, three-share custody, commitments, revocation). Optionally focused on one topic. | typed |
Badge
Paste into your README. It updates on every verification.
[](https://app.agent-xm.com/a/com-keyhalve-verify)
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