Google just killed the agent framework industry.
ADK 2.0: Open-source. Free. Better than $50K enterprise tools.
What it does:
→ Graph-based execution with routing, fan-out/fan-in, loops, retry
→ Structured agent-to-agent delegation via Task API
→ State management, dynamic nodes, human-in-the-loop, nested workflows
→ Interactive CLI (adk run) and Web UI (adk web) for local dev
→ Multi-turn task mode with single-turn controlled output
→ Works with Gemini 2.5 Flash, extensions via pip
What it replaces:
→ LangChain orchestration boilerplate
→ LangGraph state machines
→ Vertex AI Agent Builder lock-in
→ Custom agent-to-agent delegation code
Define your Agent class with instructions and tools.
Compose a Workflow class as a graph.
Run it locally with adk run or adk web.
No hosted platform. No vendor lock-in.
Customer support bots, research agents, multi-agent pipelines - same library.
This is what open-source from Google looks like.
→
met an anthropic engineer making $1.2M a year.
asked him how he ships alone at the pace of a full team.
he didn't answer. sent me his .claude/. one folder.
SAME MODEL - DIFFERENT RESULT.
everyone's still picking between opus and sonnet like the model is the ceiling. it isn't.
the real lever is what the model wakes up into:
CLAUDE.md → hooks → verifier subagent → skills → mcp → memory → shift notes.
you stop chatting with the model.
you write the folder once. the folder runs the model.
- CLAUDE.md - the contract
- settings.json - the permissions
- hooks/ - the reflexes
- agents/verifier - the shift-notes cop
- skills/ - 33 muscle memories
- .mcp.json - the tools
- MEMORY.md - the shift log
that's the stack.
full breakdown in the article below. bookmark before he realizes i posted it.
A guy runs AI ads for local roofers and they pay him $2,000-$5,000 a month each
he doesn't film anything. He doesn't hire anyone
he opens Facebook's Ad Library and finds ads that have been running for 6+ months - those are the proven winners
then he drops them into Higgsfield and has it rebuild the same ad with the client's logo
claude writes the script and the ad copy for him
in one afternoon he's got 10-15 video ads for a roofing company that never ran a single ad before
he launches them on Meta and leads start coming in through a simple form
an AI bot texts every lead back in under 2 minutes and books them straight onto the client's calendar
the roofer just wakes up to booked appointments. He has no idea AI did all of it
some of these clients have paid him the same fee every month for 2 years straight
he bills per lead or a flat retainer - either way it's recurring, and the AI does most of the work
one skill, a few tools, and small local businesses that have never touched advertising
save this, the quietest AI money right now isn't apps - it's running ads nobody knows are AI