VerifyAgent.eth is the public verification layer for CommandLayer receipts. It lets agents, apps, and developers verify what an AI agent actually did by checking a signed execution receipt. Each receipt includes the agent signer, action/verb, timestamp, input/output hash, canonical payload hash, and Ed25519 signature. VerifyAgent resolves the signer through ENS records, rebuilds the canonical receipt, checks the SHA-256 hash, verifies the signature, and detects tampering. For ERC-8004-style discovery, VerifyAgent.eth exposes callable verification metadata: endpoint, SDK package, GitHub source, supported capabilities, and verifier identity. The goal is simple: agents should not just claim actions — they should produce proof.
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
- 25873488
- chain_id
- 1
- token_id
- 32101
checked at 2026-08-31T07:10:02.879911Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1927
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-08-31T07:10:02.879911Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1927
- body_sha256
- 6a0e2fedca8144ae87e653d1f5db0f17fdf0caf4536f7fda35b96823fea32a14
- content_type
- —
checked at 2026-08-31T07:10:02.879911Z
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, supportedTrust
- must_violations
- (empty)
- registrations_checked
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-31T07:10:02.879911Z
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 2026-08-31T07:10:02.879911Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
- {"declared":"https://www.commandlayer.org/api/agents/verifyagent","elapsed_ms":542,"final_url":"https://www.commandlayer.org/api/agents/verifyagent","http_status":405,"index":0,"kind":"https","name":"custom","outcome":"not_live","probed":true,"probed_url":"https://www.commandlayer.org/api/agents/verifyagent"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1817,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":1,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"https://www.commandlayer.org/api/agents/verifyagent","elapsed_ms":542,"final_url":"https://www.commandlayer.org/api/agents/verifyagent","http_status":405,"index":2,"kind":"https","name":"Custom","outcome":"not_live","probed":true,"probed_url":"https://www.commandlayer.org/api/agents/verifyagent"}
- endpoints_answered_not_live
- 2
- endpoints_declared
- 3
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 3
- endpoints_probed
- 3
- endpoints_refused
- 0
checked at 2026-08-31T08:46:48.862283Z
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 2026-08-31T07:10:02.879911Z
On-chain snapshot
mainnet- token id
- 32101
- owner
- 0xed976ca9036bc2d4e25ba8219fada1be503a09c7
- block
- 25,873,488
- observed
- 2026-08-31T07:10:02.881621Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,927 bytes
- sha256
- 6a0e2fedca8144ae87e653d1f5db0f17fdf0caf4536f7fda35b96823fea32a14
- elapsed
- 0 ms
This run
reproducible- run
- bba33eff-c533-4bca-8fa0-0f084928bcde
- chain
- mainnet
- pinned block
- 25,873,488
- agents
- 50,638
- started
- 2026-08-31T06:32:02.218274Z
- finished
- 2026-08-31T08:10:40.641929Z
- checker
- 0.7.0 · 981910a8f7451ff11d8af05abef0cc7852e25953
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- mainnet # at block 25873488