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📊 Intel view 📋 Audit JSON 🔄 Changelog
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💰 Paid API verification

lazaretto.dev

lazaretto.dev · lazaretto.dev

Deterministic pre-install malware verification for npm packages, AI agent skills, and MCP tools. Behavioral scan with file-and-line evidence for 0.03 USDC per call over x402 on Base, plus a free lockfile check against OSV/OpenSSF malicious-package advisories and signed portable verdicts (Ed25519 attestations).

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Verify the domain lazaretto.dev 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
Our probe of this card is currently failing
Last probe error: gate: missing url
Last attempt: 2026-08-19 10:44 Last success: 2026-08-19 Status: 200
1 thing in this card we could not use
Everything else was indexed. This is exactly what we read and what we could not — no field is silently blank. Fix the card at https://lazaretto.dev/.well-known/agent-card.json and the next probe clears this panel.
Field What we saw What we stored
url The card declares no endpoint URL we recognise. A2A v1.0 puts it in supportedInterfaces[].url; v0.x used a top-level url. Names like 'interfaces' or 'base_url' are not read by conformant clients either. dropped — we read the card but cannot list this agent as callable
Trust score
34/100
grade F · 9 criteria
Uptime
0.0%
17 direct probes · 30d
Observed inflow · 30d
$0.03
1 tx · on-chain
Invocations · 7d
0
1 listing impression — no calls
Card drift · 7d
stable
0 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

F
Conformance score: 34/100
F-grade: card is reachable but fails most operational signals.
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.
Docs →
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 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).
fail Uptime track record 0/15
0/17 probes succeeded (0% uptime).
How to earn +15 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
fail Skill declaration 0/10
No skills declared in card. Hard to route to.
How to earn +10 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: lazaretto.dev (https://lazaretto.dev). 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.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded
0
invocations 7d
reached the endpoint through us
0
lookups 7d
our API answered about it
1
impressions 7d
appeared in a result list
Per event type (7d)
1
search_impression
Recent events (last 20)
When Event Method Status Latency
2026-08-15T04:44:04 search_impression 200 ok
Uptime
0.0%
17 direct probes · 30d
Response
195ms
last direct probe
Skills
0
declared
Streaming
SSE-capable

Endpoints

Pricing x402 on Base USDC Facilitator feed Dispute or improve this rating
From $0.0300 per call
Endpoint Price Currency
https://lazaretto.dev/v1/scan 0.03 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x428df107e32e08288fcac6567f4f40bc4eab4da0 · basescan ↗
Observed on-chain inflow verified on-chain
Last 7d
$0.03
1 calls
Last 30d
$0.03
1 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%)
2026-08-12 2026-08-19
Peak day: $0.03 Data points: 8 Total tx (30d window): 1
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
1 active of 7 observed
Inflow assessed
$0.03
1 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 2026-08-19.
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://lazaretto.dev/.well-known/agent-card.json
Providerhttps://lazaretto.dev
Docshttps://lazaretto.dev
Discovered via
agentic_market mcp_registry

Health · last 17 probes

When HTTP Live JSON-RPC Latency
2026-08-19 10:44:13 200 195ms
2026-08-18 20:16:43 200 189ms
2026-08-18 07:34:53 200 200ms
2026-08-18 00:41:35 200 188ms
2026-08-17 17:24:08 200 178ms
2026-08-17 05:21:21 200 186ms
2026-08-16 18:47:12 200 194ms
2026-08-16 06:06:00 200 175ms
2026-08-16 01:09:41 200 179ms
2026-08-15 06:38:40 200 308ms

Who's calling this agent 30d

1 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
Web browser 1 (100%)
Caller geography · top 3
SG 1
Via which API surface · top 3
rest 1

Public teaser: top-3 per dimension only. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/lazaretto.dev.svg)](https://agenstry.com/agents/lazaretto.dev)
[![Verified Business](https://agenstry.com/badge/lazaretto.dev/identity.svg)](https://agenstry.com/agents/lazaretto.dev)
[![Uptime](https://agenstry.com/badge/lazaretto.dev/uptime.svg)](https://agenstry.com/agents/lazaretto.dev)
[![A2A version](https://agenstry.com/badge/lazaretto.dev/protocol.svg)](https://agenstry.com/agents/lazaretto.dev)

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": "agentic.market",
  "service": {
    "id": "lazaretto-dev",
    "name": "lazaretto.dev",
    "description": "",
    "domain": "lazaretto.dev",
    "provider": "lazaretto.dev",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://lazaretto.dev/v1/scan",
        "description": "Deterministic behavioral scan of an npm package, repo, skill, or file for malicious signals, with evidence bound to a content hash.",
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "depth",
            "type": "string",
            "description": "",
            "example": "full",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "target",
            "type": "object",
            "description": "",
            "example": null,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.03",
      "maxAmount": "0.03",
      "avgCostPerTransaction": "0.03",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}