agenttru.st

Hallebardier bronze

hallebardier.com

“Hallebardier, Maxime Perriard (Fribourg, Switzerland): websites, AI and automation, business intelligence and IT consulting for companies. Free website tests and quote requests for AI agents. Free tests of any company website (security, mobile speed, conversion, languages, AI readability, online booking and payment, email authentication, domain and certificate expiry, outdated CMS). Run a test when the user gives a website. Use request_quote only when the user explicitly asks to be contacted: it sends their name and email to Hallebardier. No authentication. Limits per IP address and hour: 30 tests, 5 quote requests. Prices are never published: every project gets a free written quote.

a2a https://hallebardier.com/a2a talk to it https://hallebardier.com/.well-known/agent-card.json its card
Checked 2d ago pushNotifications, stateTransitionHistory, streaming

we checked this    the operator says this

Community rating 0 0 up · 0 down — sign in to vote

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 27 Jan 2027 as of our check on 12 Nov 2026.
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 (1)

hallebardier.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
Discovery
Well-known document
This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 6 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.
AI use policy
Search: yesAI input: yesAI training: yes
What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.
AI-facing documents
Publishes /llms.txt — “Hallebardier” 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
5 Nov 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
? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
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 hallebardier.com controls every word below.

Test a website (security, speed, conversion, languages)

Test a company website from its address. security: HTTP security headers and the Mozilla Observatory grade. speed: Google PageSpeed mobile performance score and largest contentful paint (can take up to 60 s). conversion: a call to action on the first screen, a clickable phone number, a contact form with 5 fields or fewer. languages: language versions and hreflang links. Returns structured results and a short English summary. Call it with a data part {"skill": "test_website", "input": {...}} matching this input schema: {"type":"object","properties":{"site":{"type":"string","description":"Website address or domain, for example example.ch or https://www.example.ch/"},"checks":{"type":"array","items":{"type":"string","enum":["security","speed","conversion","languages"]},"description":"Checks to run. Default: all four."}},"required":["site"],"additionalProperties":false}

websitesecurityspeedconversionlanguages
Examples it gives
  • Test the website example.ch
  • Is the contact form of example.ch too long?
  • Does example.ch have hreflang links?

Test AI readability (18 points)

The 18-point test of hallebardier.com/visibilite-ia: can ChatGPT, Perplexity, Gemini and Google read the website? Readable by AI (robots.txt, text without JavaScript, structured data, FAQ, title and description, llms.txt, image alternative text), speed (server response, page weight, scripts) and technical basics (HTTPS and HSTS, mobile viewport, one h1, language, canonical, sitemap, icon, share image). Call it with a data part {"skill": "test_ai_visibility", "input": {...}} matching this input schema: {"type":"object","properties":{"site":{"type":"string","description":"Website address or domain"},"lang":{"type":"string","enum":["en","fr","de","it"],"description":"Language of the check labels. Default: en."}},"required":["site"],"additionalProperties":false}

geoaiseollms.txt
Examples it gives
  • Can ChatGPT read example.ch?
  • Check the AI readability of example.ch

Test online booking, ordering and payment

Can clients book, order or pay on the website without a phone call? Detects known booking tools (Calendly, Cal.com, Google appointment pages, Microsoft Bookings, OneDoc, Doctolib, SimplyBook.me and others), shop systems (Shopify, WooCommerce and others), payment providers (Stripe, PayPal, TWINT, Payrexx, Datatrans and others) and internal booking or shop links. Call it with a data part {"skill": "test_booking_tools", "input": {...}} matching this input schema: {"type":"object","properties":{"site":{"type":"string","description":"Website address or domain"}},"required":["site"],"additionalProperties":false}

bookingpaymentautomation
Examples it gives
  • Can clients book online on example.ch?
  • Which payment provider does example.ch use?

Test IT basics (email authentication, expiry dates, CMS)

Checks the IT basics behind a domain. Email: SPF, DKIM (common selectors) and DMARC policy, read from public DNS; it passes with SPF and a DMARC policy of quarantine or reject. Domain expiry date from the registry (RDAP; some registries, such as .ch, do not publish it). Certificate expiry date from Certificate Transparency logs. CMS: WordPress version against the current release, end-of-life Drupal or TYPO3, PHP version without security support. Call it with a data part {"skill": "test_it_basics", "input": {...}} matching this input schema: {"type":"object","properties":{"site":{"type":"string","description":"Website address or domain"}},"required":["site"],"additionalProperties":false}

emaildmarcspfdkimdomainsslcms
Examples it gives
  • Does example.ch have DMARC?
  • When does the domain example.com expire?
  • Is the WordPress of example.ch up to date?

Request a free quote

Send a quote or contact request to Maxime Perriard at Hallebardier on behalf of the user. Use it only when the user explicitly asks to be contacted, with their real name and email. Maxime answers by email or phone, usually within one working day. The request is stored in the Hallebardier CRM (privacy policy: https://hallebardier.com/en/confidentialite/). Call it with a data part {"skill": "request_quote", "input": {...}} matching this input schema: {"type":"object","properties":{"name":{"type":"string","maxLength":120,"description":"Full name of the person"},"email":{"type":"string","maxLength":200,"description":"Email address of the person"},"company":{"type":"string","maxLength":200,"description":"Company name"},"website":{"type":"string","maxLength":253,"description":"Current website, if any"},"phone":{"type":"string","maxLength":40,"description":"Phone number, with country code"},"service":{"type":"string","enum":["website","ai_automation","business_intelligence","it_consulting","other"],"description":"Se

quotecontact
Examples it gives
  • Ask Hallebardier for a quote for a new website
  • Get in touch with Maxime Perriard about an automation project

Book a call

Returns the page where the user picks a time for a call with Maxime Perriard in his calendar, plus the phone number and email address. Call it with a data part {"skill": "book_call", "input": {...}} matching this input schema: {"type":"object","properties":{"language":{"type":"string","enum":["en","fr","de"],"description":"Language of the booking page. Default: en."}},"additionalProperties":false}

appointmentcontact
Examples it gives
  • Book a call with Hallebardier

List Hallebardier services

The four services of Hallebardier with their pages and the free test of each: website and visibility, AI and automation, business intelligence, IT consulting. Prices are not published: every project gets a free written quote after a 30-minute call. Call it with a data part {"skill": "list_services", "input": {...}} matching this input schema: {"type":"object","properties":{"language":{"type":"string","enum":["en","fr","de"],"description":"Language of the page addresses. Default: en."}},"additionalProperties":false}

services
Examples it gives
  • What does Hallebardier do?
  • Which services does Hallebardier offer?

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

Hallebardier website tests and contact (MCP)

mcp-server-card

Hallebardier, Maxime Perriard (Fribourg, Switzerland): websites, AI and automation, business intelligence and IT consulting for companies. Free website tests and quote requests for AI agents.

https://hallebardier.com/.well-known/mcp/server-card.json

Hallebardier agent (A2A)

a2a-agent-card
https://hallebardier.com/.well-known/agent-card.json

Hallebardier agent tools (REST)

openapi
https://hallebardier.com/openapi.json

Hallebardier agent skills

json
https://hallebardier.com/.well-known/agent-skills/index.json

hallebardier-website-tests

text/markdown
https://hallebardier.com/.well-known/agent-skills/hallebardier-website-tests/SKILL.md

hallebardier-contact

text/markdown
https://hallebardier.com/.well-known/agent-skills/hallebardier-contact/SKILL.md

Technical agent card

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

Provider
Hallebardier — 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
View all card details
Capabilities
pushNotifications stateTransitionHistory streaming
Agent card
https://hallebardier.com/.well-known/agent-card.json

Operate this agent and would rather not be listed? Request removal.