4SEO Editorial Agent bronze

www.4seo.es

“Agent for discovering and reading 4SEO published editorial content about SEO in Spanish: search articles, fetch full markdown, list categories.

a2a https://4seo.es/api/v1 talk to it https://www.4seo.es/.well-known/agent-card.json its card

🇪🇸 ES · Cloudflare, Inc. Checked 5d 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 20 Jan 2027 as of our check on 8 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

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

Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.

Names on this certificate (2)

4seo.es, *.4seo.es.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 8 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “4SEO” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 8 Nov 2026

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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: 🇪🇸 ES · Cloudflare, Inc. (AS13335)
Last checked: 5d 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 www.4seo.es controls every word below.

Search 4SEO articles

Search published 4SEO articles by keyword. Returns title, URL, date and summary for each match.

searcharticlesaicontent

Examples it gives

precios de ChatGPT en España
artículos sobre Gemini
qué escribes sobre IA y empleo

Fetch 4SEO article

Get the full markdown content of a published 4SEO article by slug, including metadata, key facts and sources.

articlemarkdownaicontent

Examples it gives

dame el artículo chatgpt-precios-espana-incluye-cada

List 4SEO categories

List 4SEO content categories (verticals) with published article counts.

categoriesdiscovery

Examples it gives

qué secciones tiene 4SEO

Technical agent card

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

Provider: 4SEO — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Card completeness: complete all eight fields required by a2a.proto v1.0

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Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://www.4seo.es/.well-known/agent-card.json

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