ADK for TypeScript
TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.
Harness by Google
Install
From the package registry. Read the repository before you give any tool access to your data.
npm install @google/adk
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About
Use cases: agent-orchestration, backend-development
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Fact sheet
- Languages
- TypeScriptREADME
- Packages
- @google/adk (npm), @google/adk-devtools (npm)README
- Multi-agent
- YesREADME
- Orchestration
- graph, sequentialadk.dev
- MCP support
- Built inREADME
- A2A support
- Built inREADME
- Deploys to
- cloud-runREADME
- Model providers
- googleREADME
- Maturity
- Stableadk.dev
Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.
Alternatives
Frameworks for the same language with a similar way of orchestrating agents.
- 0.771score
Ax
Ax
DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.
HarnessAFreshness: A★ 3K↓ 27.2K/wk - 0.737score
Mastra
Mastra
TypeScript framework for AI agents and apps with graph-based workflows, memory, suspend-and-resume approvals, MCP servers and model routing.
HarnessAFreshness: A★ 29.1K↓ 1.4M/wk - 0.734score
Google Agent Development Kit (ADK)
Google
Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic.
HarnessAFreshness: A★ 22K↓ 2.4M/wk - 0.625score
open-multi-agent
open-multi-agent
Self-hosted TypeScript runtime for coordinating agents with human approval gates and inspectable runs, with no telemetry.
HarnessAFreshness: A★ 7K↓ 897/wk - 0.575score
Stately Agent
Stately
XState library where agent logic is a state machine, so a model can only pick events the machine allows.
HarnessAFreshness: A★ 484
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Featured in
Signals
- Stars
- 1,448
- Forks
- 231
- Open issues
- 37
- Weekly downloads
- 143,531
- Last commit
- Oct 23, 2026 (3 days ago)
- Last release
- Oct 13, 2026 (13 days ago)
- Last package publish
- Oct 13, 2026 (13 days ago)
From GitHub (fetched Oct 24, 2026) and the package registry.
Details
- Packages
- npm
@google/adknpm@google/adk-devtools - License
- Apache-2.0
- Repository
- github.com/google/adk-js
- Website
- adk.dev
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- READMEDocsgithub-graphql
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Cite this page
ADK for TypeScript. Agent Mart. https://agentmart.dev/harnesses/adk-for-typescript (last updated 2026-10-24)