Agent Development Kit (ADK)
Agent Development Kit (ADK) is a framework maintained by Google187. Its source code is public18 under the Apache License 2.0 (adk-python)2.
Agent Development Kit (ADK) is an open-source framework from Google for building, evaluating, and deploying AI agents, from single agents to multi-agent systems and graph-based workflows. Google publishes implementations for Python, Java, Go, TypeScript, and Kotlin. The README says ADK is optimized for Gemini but model-agnostic.18
- Documentation: Documentation (external site: adk.dev)
- Repository: Repository (Python) (external site: github.com)
- License: LICENSE (Python) (external site: github.com)
- Release notes: Reviewed release (Python) (external site: github.com)
Availability and license
Overall availability
Source code and documentation are public. Model access is configured separately; using Gemini requires Google's hosted API services, whose models are not open.110
Availability is separate from permission: read the license before using or redistributing.
Apache License 2.0 (adk-python) (external site: github.com)2
Plain-language guide to the Apache License 2.0
The Apache 2.0 entry is for the Python repository. The Java, Go, TypeScript, and Kotlin repositories each also carry an Apache 2.0 LICENSE file. These licenses cover ADK's code, not the models or cloud services an agent uses.23456
Component reuse rights
- weights
- Unknown — no complete fact-level rights review
- code
- Reviewed qualifying license recorded — check scope and conditions
- data
- Unknown — no complete fact-level rights review
- documentation
- Unknown — no complete fact-level rights review
No complete system-rights review is recorded for this release.
Public materials checklist
| Item | Status | Notes and evidence |
|---|---|---|
| Source codeIs the source code publicly readable? | Public | Public repositories for each language implementation; framework code only.18 |
| DocumentationIs user documentation published? | Public | Public official documentation at adk.dev.810 |
| InstallationAre installation instructions or packages publicly available? | Public | The installation guide covers pip (google-adk) for Python, npm for TypeScript, go get for Go, and Maven or Gradle for Java and Kotlin.91 |
| Supported platformsAre supported operating systems or hardware documented? | Public | The Python package requires Python 3.10 or newer. The installation guide states that ADK Go v2.0.0 requires Go 1.25 or later; the Java example targets Java 17.19 |
| Release statusAre versioned releases published? | Public | Reviewed adk-python v2.10.0, marked Latest and published September 25, 2026; the README describes a roughly bi-weekly release cadence. Other language implementations are versioned separately. This entry describes the project rather than one release.141 |
What it is useful for
Defining agents, tools, and workflows in code, testing them with a command-line runner and a development web UI, and deploying them in containers or on Google Cloud. ADK is a framework that calls models chosen by the developer: Gemini through Google's hosted services, which are not open, other hosted providers, or self-hosted models through documented connectors. It does not include model weights.110
Run and use notes
- The model documentation describes connecting self-hosted models through Ollama and vLLM via the LiteLLM connector (ADK Python), and running models locally with LiteRT-LM (ADK Python and Kotlin). The Ollama guide says to use the ollama_chat provider prefix and to choose a model with tool support when agents use tools.10111213
Organization context
U.S. eligibility
Eligible · basis: U.S.-governed project
ADK's repositories are in Google's GitHub organization, its contributing guide requires Google's Contributor License Agreement, and the ADK documentation site carries a Google copyright notice. Google's terms of service identify Google LLC, organized under the laws of Delaware, at 1600 Amphitheatre Parkway, Mountain View, California. See the google organization record.17815
Sources
This listing is not an endorsement, a safety assessment, or a federal approval.
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APA style
USASI. (2026, October 1). Agent Development Kit (ADK). United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/open/agent-development-kit/
BibTeX
@misc{usasi_agent_development_kit,
author = {{USASI}},
title = {Agent Development Kit (ADK)},
year = {2026},
month = oct,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/open/agent-development-kit/}},
note = {United States of America Superintelligence. Last updated 2026-10-01}
}The date is when this page was last updated. Add the date you read it if your style needs one.
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