DiffiCat bronze

app.difficat.com

“Compares a website against another copy of it on page existence, content and visual regression, page by page with screenshots of the changed regions: a migration, redesign, relaunch, staging-versus-production or new-host check. Free up to 100 comparison pages, 10 page discoveries and 10 screenshots per client address per day, capped at 15000 units a month across callers, with no key or account; beyond that a prepaid key, a Pro account key or an HTTP 402 payment in USDC on Base.

a2a https://app.difficat.com/mcp talk to it https://app.difficat.com/.well-known/agent-card.json its card

🇺🇸 US · Google LLC Checked 2d ago pushNotifications, stateTransitionHistory, streaming

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Google Trust Services domain-validated
Valid until 21 Jan 2027 as of our check on 12 Nov 2026.

Control of the hostname was checked; nothing about who operates it.

Key RSA 2048, signed SHA256-RSA, issued via WR3 under GTS Root R1 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

app.difficat.com.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 12 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 29 Oct 2026

View verification details

Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: 🇺🇸 US · Google LLC (AS15169)
Last checked: 2d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of app.difficat.com controls every word below.

Check one page

Compares one live page with a baseline captured on the first call, a snapshot or the production page, and answers what regressed.

visual-regressiondeploy-checkbaseline

Examples it gives

Did my change break the pricing page?

Preview against production

Compares the pages of a preview or staging deploy with production and answers only the pages that differ.

stagingpreviewvisual-regressioncontent-diff

Examples it gives

Does the preview deploy match production?

Discover pages

Lists the pages of a site and the matching page on the other copy, from the sitemap and a crawl.

sitemapcrawlurl-mapping

Capture screenshot

Takes a full-page screenshot of one URL at a chosen viewport.

screenshotcapture

Compare two sites

Runs a page-by-page comparison of two origins or a list of page pairs: existence, content and visual diff, with a per-page report and diff images.

migrationvisual-regressioncontent-diffqa

Examples it gives

Did anything break or change on staging compared with production?

Compare against a snapshot

Compares a live site, or another snapshot, against a snapshot captured earlier.

snapshotbaselineregression

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider: DiffiCat — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 3.156.1
Auth schemes: prepaidKey
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

View all card details

Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://app.difficat.com/.well-known/agent-card.json

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