LangChain 学习课程 bronze

www.yuan111.asia

a2a https://www.yuan111.asia/ talk to it https://www.yuan111.asia/.well-known/agent-card.json its card

🇺🇸 US · Cloudflare, Inc. Checked 8d ago pushNotifications, 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 Let's Encrypt domain-validated
Valid until 29 Oct 2026.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified
Discovery: Well-known document
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.
First seen: 6 Sep 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 · Cloudflare, Inc. (AS13335)
Last checked: 8d 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.yuan111.asia controls every word below.

My

Use when building AI applications with language models, creating RAG (Retrieval-Augmented Generation) systems, handling multi-turn conversations, building agents with tools, or deploying LLM services. Agents should reach for this skill when working with model integrations, prompt engineering, vector databases, memory management, or FastAPI-based LLM backends.

Technical agent card

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

Provider: LangChain 学习课程 — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
description

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 streaming
Agent card: https://www.yuan111.asia/.well-known/agent-card.json

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