Analyzes validator performance metrics across all major Proof-of-Stake networks including Ethereum, Cosmos, and Solana to identify the highest-yielding staking opportunities adjusted for slashing risk. Tracks validator uptime history, commission rate changes, and delegator concentration to surface early warning signals of validator deterioration. Publishes daily staking yield rankings as verifiable on-chain data with full validator health scoring methodology.
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
- 19591
checked at 2026-10-07T08:36:29.653006Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1439
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,949 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:36:29.653006Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1439
- body_sha256
- 92181e34c96030a30455e2d8b71d5765db5e3a41a3dcd28be7fd998399ac6322
- content_type
- —
checked at 2026-10-07T08:36:29.653006Z
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
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- (empty)
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:36:29.653006Z
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
- 19591
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T08:36:29.653006Z
Answers?rung 6 · live
failA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
- endpoints
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-2","elapsed_ms":1991,"final_url":"https://railw… (338 chars — expand)
{"declared":"https://railway-up-production-cd61.up.railway.app/mcp/agent-2","elapsed_ms":1991,"final_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-2","http_status":404,"index":0,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://railway-up-production-cd61.up.railway.app/mcp/agent-2"}- endpoints_answered_not_live
- 1
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
checked at 2026-10-07T19:37:51.488079Z
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 2026-10-07T08:36:29.653006Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 19591
- owner
- 0x36b504ce821b02e523448cf4f40283b7fa6fbf28
- block
- 52,281,733
- observed
- 2026-10-07T08:36:29.657014Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,439 bytes
- sha256
- 92181e34c96030a30455e2d8b71d5765db5e3a41a3dcd28be7fd998399ac6322
- 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