Status basis: github_stars momentum fell to 4 per 3d from 52 (<= 40% of the prior window)
- Cooling github_stars momentum fell to 4 per 3d from 52 (<= 40% of the prior window)
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | 1 | verified | 1 quote(s) |
| Self-hostable | 1 | inferred | 1 quote(s) |
| Bring your own key | — | unknown | — |
| Autonomy level | 2 | inferred | 2 quote(s) |
| Pricing model | — | unknown | — |
| Integrations | — | unknown | — |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
Backed by Google and built for code-first development, it provides a standardized foundation that lowers the barrier to building complex, reliable AI agents.
Evidence quotesverbatim, from the product’s own materials
“public GitHub repository (README fetched)”— structural
“Run agents in Node.js or directly in the browser.”— readme
“Rich Tool Ecosystem: Built-in tools for Google Search... Connect MCP servers”— readme
“Compose agents into sequential, parallel, loop, and routed workflows.”— readme
FAQ
What is adk-js?
An open-source TypeScript toolkit for developers to build, evaluate, and deploy advanced AI agents with code-first control and flexibility
What does adk-js do?
Rapidly build, evaluate, and deploy reusable, production-ready AI agents with precise control over behavior and execution.
Why does adk-js matter?
Backed by Google and built for code-first development, it provides a standardized foundation that lowers the barrier to building complex, reliable AI agents.
How much does adk-js cost?
Free
Is adk-js free?
Yes — adk-js has a free tier. Pricing as stated on its own page: Free
Is adk-js open source?
Yes — adk-js is open source.
Can I self-host adk-js?
Yes — adk-js can be self-hosted.
How popular is adk-js?
As tracked by KanonAgent: 1.4k upvotes (first indexed 2026-07-26).
What are the best adk-js alternatives?
Similar AI agents tracked by KanonAgent: deepseek-harness, gemini-cli, Codédex, LLM Gateway, oh-my-openagent, goose.