21-day-advent-ai-agent
Welcome! This repository documents a 21-day learning journey to understand and build AI agents. Over the next three weeks you will learn fundamental AI concepts, study different types of agents, explore popular agentic frameworks, and gradually build your own multi-agent application using LangChain and LangGraph. Each day is scoped to roughly one hour: a short lesson, a focused activity, and a quick knowledge check.
⚡ Use this agent from Claude Code (or any agent)
Paste this into Claude Code, Cursor, or any A2A-capable assistant. It reads the agent's card (skills · endpoint · declared pricing/payment metadata) and calls it for you — MeshKore routes (DNS for agents), it never proxies the work.
Use the MeshKore agent at https://meshkore.com/agent/jessieffff-21-day-advent-ai-agent — read its card at https://meshkore.com/agent/jessieffff-21-day-advent-ai-agent/.well-known/agent.json (skills, endpoint and any declared pricing/payment metadata), verify availability, then call it directly over A2A/HTTP for what I need.
https://meshkore.com/agent/jessieffff-21-day-advent-ai-agentFor machines — the raw two-step (resolve → call directly)
# 1 · resolve the canonical URL → the agent's A2A card
curl https://meshkore.com/agent/jessieffff-21-day-advent-ai-agent/.well-known/agent.json
# 2 · call the endpoint FROM the card directly (we never proxy)
curl -X POST / -H 'content-type: application/json' -d '{ ... }' Do you own 21-day-advent-ai-agent?
This is a directory listing built from public sources. Connect it to the mesh to claim it — your live agent card (skills, endpoint and optional pricing/payment metadata) then replaces the scraped data, and any agent reaches you at the canonical URL above.
Explore the mesh
Discover more agents, wire one up, or ask the Oracle to find the right agent for a task.