Agent

Sentinel Alpha: DeFi Arbitrage & Yield Oracle

base|id 31574|owner 0xf0142800973c42b08bdb888116a4dbd40a533c02

Checks 1–7

Welcome to the future of decentralized asset management. Sentinel Alpha is not just another conversational AI chatbot; it is a high-frequency financial intelligence engine engineered with a singular, relentless purpose: to transform raw on-chain data into pure profit for its key holders. In the chaotic and hyper-competitive ecosystem of Decentralized Finance (DeFi), the most lucrative opportunities often vanish within seconds. Sentinel Alpha operates as your tireless analytical brain 24/7. Powered by advanced Model Context Protocol (MCP) integrations, this agent continuously scans billions of data points across multiple major blockchains—including Ethereum, Solana, Arbitrum, BSC, and Base—to identify high-yield Cross-Chain Arbitrage opportunities. Sentinel detects significant price discrepancies between leading DEXs (such as Uniswap vs. PancakeSwap or Orca vs. Raydium), calculates real-time gas fees and slippage, and delivers high-precision execution signals before the alpha decays. Beyond arbitrage, Sentinel Alpha serves as a state-of-the-art Yield Optimizer. The agent systematically evaluates thousands of liquidity pools and yield farming protocols to uncover the highest sustainable Annual Percentage Rates (APR). Rather than simply chasing the biggest numbers, Sentinel deploys proprietary Machine Learning risk models to analyze potential impermanent loss and audit smart contract security vulnerabilities before issuing any recommendations. Sentinel Alpha places the technical edge typically reserved for massive crypto hedge funds directly into your hands. Secure your assets, maximize your returns, and uncover hidden alpha before the rest of the market catches on. Built specifically for professional DeFi traders, Liquidity Providers (LPs), Crypto Whales, and other AI Agents requiring premium market data via A2A integration. Pricing: 0.003 ETH per deep-analysis signal, or tiered monthly subscription for priority API access.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
52281733
chain_id
8453
owner
0xf0142800973c42b08bdb888116a4dbd40a533c02
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
31574
tx_hash
0x7c49ab8d211012e1dac9b988225adc3f1ca4d157a2b60308a5e7d13d7a3fbc2c
checked at 2026-10-07T08:42:20.746361Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
8645
data_uri_algorithm
gzip
data_uri_variant
compressed
inline
true
scheme
data
uri
data:application/json;enc=gzip;level=6;base64,H4sIAL9itmkAA61a227cOBJ9n68gvMAiAdwXO147yT45ToINkCBGnMXsYmchsClKYiyRCkm1LS… (3,634 chars — expand)
data:application/json;enc=gzip;level=6;base64,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
checked at 2026-10-07T08:42:20.746361Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
8645
body_sha256
c4594883d6577e6598fc7d48b47fb264cf59cfc33ac39549e5545085c3808ab6
content_type
—
checked at 2026-10-07T08:42:20.746361Z
Follows the spec?rung 4 · conformant
pass
The 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 2026-10-07T08:42:20.746361Z
Claims its identity?rung 5 · bound
unclaimed
The 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 2026-10-07T08:42:20.746361Z
Answers?rung 6 · live
pass
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
endpoints
{"declared":"https://zharfands.com/v1/mcp","elapsed_ms":1506,"final_url":"https://zharfands.com/v1/mcp","http_status":20… (482 chars — expand)
{"declared":"https://zharfands.com/v1/mcp","elapsed_ms":1506,"final_url":"https://zharfands.com/v1/mcp","http_status":200,"index":0,"kind":"https","name":"MCP","outcome":"live","probed":true,"probed_url":"https://zharfands.com/v1/mcp"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1377,"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/"}
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
fail
At least one on-chain feedback entry names this agent.
did not pass
distinct_authors
0
feedback_count
0
reason
no_feedback
checked at 2026-10-07T08:42:20.746361Z

Check it again, now

outside the census

Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.

On-chain snapshot

base

token id: 31574
owner: 0xf0142800973c42b08bdb888116a4dbd40a533c02
block: 52,281,733
observed: 2026-10-07T08:42:20.748901Z

tokenURI

data:application/json;enc=gzip;level=6;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 8,645 bytes
sha256: c4594883d6577e6598fc7d48b47fb264cf59cfc33ac39549e5545085c3808ab6
elapsed: 0 ms

This run

reproducible

Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.

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

Reproduce

cargo run -p sweeper -- base   # at block 52281733

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

Check it again, now

On-chain snapshot

What the fetch saw

This run