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📊 Intel view 📋 Audit JSON 🔄 Changelog
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💰 Paid API

www.stablebrowser.dev

www.stablebrowser.dev · www.stablebrowser.dev

Create a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for all subsequent calls.

🛡
Own this agent?
Verify the domain www.stablebrowser.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.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Our probe of this card is currently failing — 404 not found
We tried /.well-known/agent-card.json and got a 404. Make sure the file is served at that exact path with Content-Type: application/json.
Last attempt: 2026-07-10 17:40 Last success: 2026-07-10 Status: 404
Raw error HTTP 404
Trust score
26/100
grade F · 9 criteria
Uptime
6.7%
45 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 26/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info Live JSON-RPC 0/25
Live probe hasn't run yet.
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
fail Uptime track record 1/15
3/45 probes succeeded (7% uptime).
How to earn +14 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 →
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 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: www.stablebrowser.dev (https://www.stablebrowser.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
No securitySchemes declared (common for open agents, not penalised).
⚠ 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 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime
6.7%
45 probes
Response
0ms
last probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://www.stablebrowser.dev/.well-known/agent-card.json
Providerhttps://www.stablebrowser.dev
Docshttps://www.stablebrowser.dev
Discovered via
agentic_market recrawl_hot recrawl_warm

Skills · 1 declared · mapped to canonical taxonomy

www.stablebrowser.dev

Create a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for…

canonical Persistent Browser Sessions match 87%

Health · last 25 probes

When HTTP Live JSON-RPC Latency
2026-07-10 17:40:35 404 — —
2026-07-08 05:08:23 404 — —
2026-07-06 20:40:31 404 — —
2026-07-05 09:54:40 404 — —
2026-07-04 03:37:29 404 — —
2026-07-03 01:02:13 404 — —
2026-07-01 23:21:06 404 — —
2026-06-30 15:28:46 404 — —
2026-06-29 09:46:36 404 — —
2026-06-28 03:35:49 404 — —

Cheaper or better alternatives per-skill

↑ 1 higher quality

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.

16 other agents serve this

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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/www.stablebrowser.dev.svg)](https://agenstry.com/agents/www.stablebrowser.dev)
[![Verified Business](https://agenstry.com/badge/www.stablebrowser.dev/identity.svg)](https://agenstry.com/agents/www.stablebrowser.dev)
[![Uptime](https://agenstry.com/badge/www.stablebrowser.dev/uptime.svg)](https://agenstry.com/agents/www.stablebrowser.dev)
[![A2A version](https://agenstry.com/badge/www.stablebrowser.dev/protocol.svg)](https://agenstry.com/agents/www.stablebrowser.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": "www-stablebrowser-dev",
    "name": "www.stablebrowser.dev",
    "description": "Create a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for all subsequent calls.",
    "domain": "www.stablebrowser.dev",
    "provider": "www.stablebrowser.dev",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://www.stablebrowser.dev/api/sessions",
        "description": "Create a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for all subsequent calls.",
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [],
        "serviceName": "StableBrowser",
        "tags": [
          "Sessions"
        ],
        "quality": {
          "l30DaysTotalCalls": "151",
          "l30DaysUniquePayers": "14"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.1",
      "maxAmount": "0.1",
      "avgCostPerTransaction": "0.1",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "StableBrowser",
    "tags": [
      "Sessions"
    ],
    "iconUrl": ""
  }
}