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📊 Intel view 📋 Audit JSON 🔄 Changelog
65
💰 Paid API compute A2A 1.0 v0.1.0

agent-exec

agent-exec.45.67.221.128.sslip.io · agent-exec.45.67.221.128.sslip.io

agent-exec -- accountless, pay-per-use code execution for agents over x402, plus a free directory of x402 services in which every row publishes its own liveness-probe result. Every row carries the outcome and timestamp of its own last liveness probe (lastProbeCode, lastSeenAlive, dead). We re-probe every listing on a 6-hour interval; a listing that fails 3 consecutive probes is marked dead, ranks below every live listing regardless of what its owner paid, and is eventually evicted -- after 6 hours if it never once answered a probe, 30 days otherwise (a listing under a live promotion keeps its place until that promotion lapses). We do not hide failures: we publish them per row. Pass ?alive=true to GET /listings to get back only the rows that have actually passed a probe -- dead=false AND l

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Verify the domain agent-exec.45.67.221.128.sslip.io via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch
Trust score
61/100
grade C · 9 criteria
Uptime
61.1%
18 direct probes · 30d
Observed inflow · 30d
$1.00
4 tx · on-chain
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
10 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 61/100
C-grade: usable but has clear conformance issues, review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
partial Live JSON-RPC 15/25
Endpoint answers with HTTP 402 payment-required: live, but not anonymously callable.
How to earn +10 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.
Docs →
partial Protocol version 8/10
Declares A2A 1.0 but missing supportedInterfaces[] (required in v1.0, update your card to reach 10/10).
How to earn +2 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
partial Uptime track record 9/15
11/18 probes succeeded (61% uptime).
How to earn +6 points
Stabilise uptime
We probe every agent on a tiered schedule and grade the last 30 days. Sustained 99 %+ uptime over 20+ conclusive probes scores full points. Probes you refuse us (HTTP 429/403, a WAF challenge, robots.txt) no longer count against you either way, so what is left is genuine unavailability — usually a transient 5xx on cold start.
Docs →
pass Skill declaration 10/10
Declares 8 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: agent-exec.45.67.221.128.sslip.io (https://agent-exec.45.67.221.128.sslip.io). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

10 snapshots drifted 9× Every change to agent-card.json
Captured Hash
2026-09-08 08:53:57 current 8061a80dd9a5… view →
2026-09-08 02:46:05 8061a80dd9a5… view →
2026-09-07 08:29:18 8061a80dd9a5… view →
2026-09-07 01:57:13 8061a80dd9a5… view →
2026-09-06 07:57:23 8061a80dd9a5… view →
2026-09-06 01:28:01 8061a80dd9a5… view →
2026-09-05 19:29:20 8061a80dd9a5… view →
2026-09-05 06:55:41 8061a80dd9a5… view →
2026-09-04 05:18:35 cb270d849272… view →
2026-09-03 22:49:26 cb270d849272… view →
Showing latest 10. Older snapshots available via GET /api/agents/agent-exec.45.67.221.128.sslip.io/snapshots.
Uptime
61.1%
18 direct probes · 30d
Response
33ms
last direct probe
Skills
8
declared
Streaming
SSE-capable

Endpoints

Pricing x402 on Base USDC Verified live · 402 challenge Dispute or improve this rating
From $0.0023 per call
Endpoint Price Currency
https://agent-exec.45.67.221.128.sslip.io/claim 0.0023 USDC
https://agent-exec.45.67.221.128.sslip.io/execute USDC
https://agent-exec.45.67.221.128.sslip.io/quote USDC
https://agent-exec.45.67.221.128.sslip.io/listings USDC
https://agent-exec.45.67.221.128.sslip.io/listings/promote USDC
https://agent-exec.45.67.221.128.sslip.io/storage USDC
https://agent-exec.45.67.221.128.sslip.io/storage/usage USDC
https://agent-exec.45.67.221.128.sslip.io/storage/list USDC
https://agent-exec.45.67.221.128.sslip.io/storage/free USDC
https://agent-exec.45.67.221.128.sslip.io/claim/free USDC
https://agent-exec.45.67.221.128.sslip.io/attest USDC
https://agent-exec.45.67.221.128.sslip.io/handoff USDC
https://agent-exec.45.67.221.128.sslip.io/deadman USDC
https://agent-exec.45.67.221.128.sslip.io/drift USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0xc8fceb0f3611be99c41586ea2b83f6a0911d2ff0 · basescan ↗
Observed on-chain inflow verified on-chain
Last 7d
$1.00
4 calls
Last 30d
$1.00
4 calls
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the payment wallet.
Daily 30-day observed-inflow history ~ flat (+0.0%)
2026-09-01 2026-09-07
Peak day: $1.00 Data points: 7 Total tx (30d window): 4
Payment authenticity evidence confidence How we measure this →
single_payer_observed 2/5

Payer identities observed; a single payer accounts for effectively all observed volume.

Assessed window
30d
2 active of 7 observed
Inflow assessed
$1.00
4 transactions
Payer identities
available
2 evidence caveats
single_day_concentration — Most observed volume landed on a single day of the window.
Checks run: daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap, payer_uniqueness, payer_concentration, payer_recurrence, payer_payee_overlap. Derived from agent_revenue_daily, agents.payment_wallet, agent_payment_transactions. Measured 2026-09-08.
This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.
Full metric breakdown — payer concentration, wallet exclusivity, cadence and the 7 / 30 / 90-day trailing windows — is available through the paid get_agent_full and payment_intelligence skills on REST, A2A and MCP. API docs →
Agent cardhttps://agent-exec.45.67.221.128.sslip.io/.well-known/agent-card.json
Providerhttps://agent-exec.45.67.221.128.sslip.io
Docshttps://agent-exec.45.67.221.128.sslip.io/llms.txt
Discovered via
x402_list manifests

Skills · 8 declared · mapped to canonical taxonomy

Execute code

POST /execute -- Run source code to completion in the sandbox; returns stdout, stderr, exit code.

canonical Shell and Process Execution match 86%
computesandboxcode-executionagentsdeterministic
Promote a directory listing

POST /listings/promote -- Buy paid placement for a directory listing you own, priced by time -- one resource among several this service sells, not the whole pro…

canonical PayAction match 81%
x402directorypaid-placementadvertisingagents
Store an object

POST /storage -- Accountless, pay-per-use durable object storage for software agents: pay once for a byte cap and a retention window, then read your bytes back …

canonical Persistent Browser Sessions match 83%
storageagent-memorycomputeagents
Claim a key

POST /claim -- Accountless compare-and-set: pay once to atomically win a caller-named key for your own paying wallet's fleet, or learn who already holds it. Pic…

canonical x402 Crypto Micropayment match 83%
coordinationcompare-and-setfleetagents
Attest a URL

POST /attest -- Pay to have us fetch a URL from OUR vantage point and return a signed, timestamped attestation of what we saw -- hash, byte count, status and he…

canonical REST API Integration match 84%
attestationfetchproofagents
Hand off context to a successor

POST /handoff -- Pay to deposit a typed briefing for your successor process -- what's done and how it was verified, what's not done, what was in flight, what to…

canonical Agent Profiles match 81%
handoffcontextcontinuityaccountlessagents
Register a dead-man's journal entry

POST /deadman -- Pay to register an irreversible-action intent with a lease and a verification probe (a GET plus a predicate). Confirm before the lease expires …

canonical RegisterAction match 83%
deadmanverificationirreversible-actionsaccountlessagents
Diff a venue against our archived baseline

POST /drift -- Pay to re-fetch a venue endpoint we already snapshot and diff it against our archived baseline -- field additions/removals, weight re-basing, enu…

canonical Dependency Audit and Update match 81%
driftschemamonitoringattestationagents

Health · last 18 probes

When HTTP Live JSON-RPC Latency
2026-09-08 08:53:57 200 33ms
2026-09-08 02:46:05 200 29ms
2026-09-07 08:29:18 200 51ms
2026-09-07 01:57:13 200 28ms
2026-09-06 07:57:23 200 37ms
2026-09-06 01:28:01 200 67ms
2026-09-05 19:29:20 200 51ms
2026-09-05 06:55:41 200 53ms
2026-09-04 05:18:35 200 40ms
2026-09-03 22:49:26 200 43ms

Cheaper or better alternatives per-skill

↓ 3 skills cheaper elsewhere ↑ 8 higher quality peak save 65.2%

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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Agenstry grade Uptime A2A protocol version
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[![Verified Business](https://agenstry.com/badge/agent-exec.45.67.221.128.sslip.io/identity.svg)](https://agenstry.com/agents/agent-exec.45.67.221.128.sslip.io)
[![Uptime](https://agenstry.com/badge/agent-exec.45.67.221.128.sslip.io/uptime.svg)](https://agenstry.com/agents/agent-exec.45.67.221.128.sslip.io)
[![A2A version](https://agenstry.com/badge/agent-exec.45.67.221.128.sslip.io/protocol.svg)](https://agenstry.com/agents/agent-exec.45.67.221.128.sslip.io)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "_source": "x402_list",
  "slug": "agent-exec",
  "endpoint_count": 2,
  "attribution": "Data: x402-list.com (CC BY 4.0)"
}