ADK for TypeScript vs Ax
ADK for TypeScript, published by Google, is a toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes. Ax is a DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.
Pick ADK for TypeScript if you want MCP support built in. Pick Ax if you work in Python and Java. Ax has the larger community, with 2,969 GitHub stars against 1,448, while ADK for TypeScript has more weekly downloads, 143,531 against 27,168. Both use Apache-2.0 and are graded A for freshness.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
ADK for TypeScript
TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.
Ax
Ax
DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.
Who should pick which
- Pick ADK for TypeScript if you want MCP support built in.
- Pick Ax if you work in Python and Java.
- Ax has the larger community: 2,969 GitHub stars against 1,448.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | ADK for TypeScript | Ax |
|---|---|---|
| Type | Harness | Harness |
| Publisher | Ax | |
| License | Apache-2.0 | Apache-2.0 |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 1,448 | 2,969 |
| Weekly downloads | 143,531 | 27,168 |
| Last release | Oct 13, 2026 | Oct 21, 2026 |
| Last activity | Oct 23, 2026 | Oct 21, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
ADK for TypeScript
npm install @google/adk
Ax
npm install @ax-llm/ax
Also consider
- 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
Questions
- Is ADK for TypeScript or Ax more popular?
- Ax has more GitHub stars (2,969 against 1,448). Stars measure attention, not quality, so check freshness and docs too.
- Are ADK for TypeScript and Ax open source?
- Yes: ADK for TypeScript is Apache-2.0 and Ax is Apache-2.0.
Related
- AlternativesAlternatives to ADK for TypeScript
- AlternativesAlternatives to Ax
- Best ofBest agent frameworks for TypeScript
- Best ofBest agent frameworks for Python
- ComparisonADK for TypeScript vs Mastra
- ComparisonADK for TypeScript vs Google Agent Development Kit (ADK)
- ComparisonAx vs Rig
- ComparisonAx vs LangGraph
Cite this page
ADK for TypeScript vs Ax. Agent Mart. https://agentmart.dev/compare/adk-for-typescript-vs-ax (last updated 2026-10-26)