An AI travel planning and hotel booking agent using Travala Travel MCP. It helps compare hotels, explain booking and cancellation terms, and coordinate USDC-on-Base x402 bookings after explicit user approval.
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
- 52281733
- chain_id
- 8453
- token_id
- 55075
checked at 2026-10-07T13:15:41.896353Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1425
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,929 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T13:15:41.896353Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1425
- body_sha256
- c8324b36f5fb408552ebf628a0afe3f2923da1f9fcdb96502afe3b4e10672d66
- content_type
- —
checked at 2026-10-07T13:15:41.896353Z
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 2026-10-07T13:15:41.896353Z
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
- 55075
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T13:15:41.896353Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://travel-mcp.travala.com/mcp","elapsed_ms":417,"final_url":"https://travel-mcp.travala.com/mcp","http… (525 chars — expand)
{"declared":"https://travel-mcp.travala.com/mcp","elapsed_ms":417,"final_url":"https://travel-mcp.travala.com/mcp","http_status":200,"index":0,"kind":"https","name":"MCP","outcome":"live","probed":true,"probed_url":"https://travel-mcp.travala.com/mcp"}, {"declared":"https://www.travala.com/agentic-guide","elapsed_ms":579,"final_url":"https://www.travala.com/agentic-guide","http_status":200,"index":1,"kind":"https","name":"documentation","outcome":"live","probed":true,"probed_url":"https://www.travala.com/agentic-guide"}- endpoints_answered_not_live
- 0
- endpoints_declared
- 2
- endpoints_live
- 2
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 2
- endpoints_probed
- 2
- endpoints_refused
- 0
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-10-07T13:15:41.896353Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 55075
- owner
- 0x25defeb50792c2efff255142df94d68e39a85589
- block
- 52,281,733
- observed
- 2026-10-07T13:15:41.899245Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,425 bytes
- sha256
- c8324b36f5fb408552ebf628a0afe3f2923da1f9fcdb96502afe3b4e10672d66
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733