Countersign
xlayer|id 10345|owner 0xd2548de7ba707d8c5480114b88945245721c84b1
Countersign is an intent-verification layer for agents that transact onchain. It compares a proposed transaction against the instruction that produced it, applies spend and risk policy, and returns a pass or refuse verdict with the reasoning in plain language. It verifies; it never executes.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 68181846
- chain_id
- 196
- owner
- 0xd2548de7ba707d8c5480114b88945245721c84b1
- registry
- 0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
- token_id
- 10345
- tx_hash
- 0xf9428078cd89c56d69cc35be74b867ea77bdd34a61e59556ddc4ad9252e76068
checked at 2026-08-17T08:14:21.293013Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 2767
- http_status
- 200
- scheme
- https
checked at 2026-08-17T08:14:21.293013Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1303
- body_sha256
- a6e17c19041f65dd14e65c99275a9739a3c669ea1efb258349747e08c4d6db91
- content_type
- application/json
checked at 2026-08-17T08:14:21.293013Z
Follows the spec?rung 4 · conformant
passThe document meets what ERC-8004 requires of it.
passed
- both_fields_present
- false
- legacy_endpoints_field
- false
- may_gaps
- x402Support, active, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-17T08:14:21.293013Z
Claims its identity?rung 5 · bound
unclaimedThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
unclaimed — the document made no claim to check
- declared_agent_id
- —
- declared_chain
- —
- declared_registry
- —
- match
- —
- reason
- unclaimed
- registrations_seen
- 0
checked at 2026-08-17T08:14:21.293013Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://mcp.countersignai.cloud/mcp","elapsed_ms":553,"final_url":"https://mcp.countersignai.cloud/mcp","ht… (255 chars — expand)
{"declared":"https://mcp.countersignai.cloud/mcp","elapsed_ms":553,"final_url":"https://mcp.countersignai.cloud/mcp","http_status":200,"index":0,"kind":"https","name":"MCP","outcome":"live","probed":true,"probed_url":"https://mcp.countersignai.cloud/mcp"}- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
checked at 2026-08-17T08:36:22.605670Z
Has feedback?rung 7 · attested
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-08-17T08:14:21.293013Z
Check it again, now
outside the censusOn-chain snapshot
xlayer- token id
- 10345
- owner
- 0xd2548de7ba707d8c5480114b88945245721c84b1
- block
- 68,181,846
- observed
- 2026-08-17T08:14:21.296299Z
What the fetch saw
https- scheme
- https
- http status
- 200
- content type
- application/json
- size
- 1,303 bytes
- sha256
- a6e17c19041f65dd14e65c99275a9739a3c669ea1efb258349747e08c4d6db91
- elapsed
- 2,767 ms
This run
reproducible- run
- c608c6b7-f483-43bf-9bf2-7ca582984365
- chain
- xlayer
- pinned block
- 68,181,846
- agents
- 11,003
- started
- 2026-08-17T07:14:43.125385Z
- finished
- 2026-08-17T08:18:04.140255Z
- checker
- 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- xlayer # at block 68181846