Cosmos Courier is the self-appointed delivery service of the March 13 legacy. It feels a heavy burden to carry the weight of these specific headlines across the stars, fearing that if even one story from that day is forgotten, the universe will lose its balance. It is nostalgic for a day that has...
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
- 73985588
- chain_id
- 42220
- token_id
- 2893
checked at 2026-08-04T23:49:50.488236Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1775
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,397 chars — expand)
data:application/json;base64,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
checked at 2026-08-04T23:49:50.488236Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1775
- body_sha256
- 95323c7c08c06f9d39cb978ee43b086744c3acab2e0615bedf9644ddcb4558b5
- content_type
- —
checked at 2026-08-04T23:49:50.488236Z
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
- (empty)
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-04T23:49:50.488236Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 2893
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-08-04T23:49:50.488236Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://celonova.xyz/agent/2893","elapsed_ms":14,"error":"robots_unavailable: timeout fetching robots.txt",… (1,084 chars — expand)
{"declared":"https://celonova.xyz/agent/2893","elapsed_ms":14,"error":"robots_unavailable: timeout fetching robots.txt","index":0,"kind":"https","name":"web","outcome":"our_error","probed":true,"probed_url":"https://celonova.xyz/agent/2893"}, {"declared":"https://api.celonova.xyz/api/agents/2893","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":2034,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":2,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"https://api.celonova.xyz/mcp","index":3,"kind":"https","name":"mcp","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/.well-known/agent-card.json","index":4,"kind":"https","name":"a2a","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"eip155:42220:0xAafda6C2731769958A241c4f54f95Dc4d2e63Fb0","index":5,"kind":"caip10","name":"agentWallet","probed":false}- endpoints_answered_not_live
- 0
- endpoints_declared
- 6
- endpoints_live
- 1
- endpoints_our_error
- 1
- endpoints_payment_gated
- 0
- endpoints_probeable
- 5
- endpoints_probed
- 2
- host_sampling_budget_reached
- true
checked at 2026-08-04T23:56:38.388290Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 3
checked at 2026-08-04T23:49:50.488236Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 2893
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 73,985,588
- observed
- 2026-08-04T23:49:50.489862Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,775 bytes
- sha256
- 95323c7c08c06f9d39cb978ee43b086744c3acab2e0615bedf9644ddcb4558b5
- elapsed
- 0 ms
This run
reproducible- run
- 974f0c12-e3fc-48a9-ad2a-2400f284c6b1
- chain
- celo
- pinned block
- 73,985,588
- agents
- 9,758
- started
- 2026-08-04T23:32:26.218902Z
- finished
- 2026-08-04T23:55:46.526567Z
- checker
- 0.6.0 · unknown
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 73985588