user_agent
shallowio.github.bck-stack/sitecheck · Verify this server
Parses a User-Agent string: browser and version, rendering engine, operating system and version, device type, vendor and model, CPU, and whether it is a known crawler (Googlebot, Bingbot, GPTBot, ClaudeBot, PerplexityBot, AhrefsBot and a few more) with its name. Optional Client Hints values (platform, mobile, model) are reported as given. Parsed with ua-parser-js 1.x (MIT). Pure code, no outside request. Price: $0.001 in USDC per successful call, paid with x402 (Base, Solana or Arc); failed calls are not charged.
1 trials · measured today
user_agent scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.github.bck-stack/sitecheck, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- self-provisionable
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-10-20 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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[](https://vouch.tools/tools/d6b5d37c-5793-47db-92de-8e4ada0fd386)