RRB Labs bronze

www.rrblabs.com.br

“RRB Labs (RRB Labs LTDA, CNPJ 69.385.826/0001-12) is a Brazilian software studio that builds mobile apps and video games. Use get_rrb_labs_company for legal data, address and contact channels, list_rrb_labs_projects for every product with status, platforms and links, get_rrb_labs_project for one product in detail, and search_rrb_labs_faq for everything else. Resources expose every page of the site as Markdown in Portuguese, English and Spanish. The server is read-only.

https://rrblabs.com.br/mcp its card

✓ 🇺🇸 US · Fastly, Inc. ✓ Checked 5d ago “ resources, tools

✓ we checked this   “ the operator says this

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 14 Jan 2027 as of our check on 9 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 (4)

rrblabs.com.br, www.rrblabs.com.br, rrblabs.com, www.rrblabs.com.

Connection

TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means

DANE / TLSA

Not verified (TLSA query returned RCodeNameError)

Discovery

Well-known document

This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 11 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.

AI-facing documents

Publishes /llms.txt — “RRB Labs” 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

11 Oct 2026

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.rrblabs.com.br controls every word below.

This card declares no skills. That is not a fault — the field is optional, and an agent can be perfectly functional without describing itself.

What kind of listing

• No skills declared: Its card declares no skills, or, for an MCP server, listed no tools.

Checked by agenttru.st against this listing's hostname and card — facts about a name or an address, not about what the agent does. How kinds are decided.

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.

And 5 more entries in the catalog, not shown here.

Technical agent card

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

Protocol

mcp

Version

2.0.0

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