# Google Agent Development Kit - **Canonical URI:** https://www.vioscale.ai/software/google-agent-development-kit - **Category:** Multi Agent Orchestration - **Homepage:** https://google.github.io/adk-docs/ - **Also known as:** google-agent-development-kit - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:57:43.669Z ## Vioscale score **74.2 / 100**, confidence 29% (low). Computed 2026-09-01. Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | price_level | 100 | 0.052 | 5.2 | ✓ | | reliability | 0 | 0.073 | 0 | - | | capabilities | 96 | 0.084 | 8.1 | ✓ | | repo_stars | 42.8 | 0.026 | 1.1 | ✓ | | integrations | 47 | 0.09355555555555557 | 4.4 | ✓ | | dependent_projects | 0 | 0.063 | 0 | - | | dev_activity | 60.9 | 0.094 | 5.7 | ✓ | | release_cadence | 92.8 | 0.052 | 4.8 | ✓ | | security_posture | 0 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 0 | 0.042 | 0 | - | | pricing_transparency | 80 | 0.084 | 6.7 | ✓ | | community_qa_activity | 0 | 0.063 | 0 | - | ## Pricing _As of 2026-08-21, [verify at source](https://google.github.io/adk-docs/). Independently observed._ Open source · Free tier > Free and open-source under Apache 2.0 license ## About A multi-language agent development framework that enables developers to create production-grade AI agents with built-in tools for orchestration, memory management, code execution, and deployment to cloud or self-hosted infrastructure. _Independently observed._ ## Platform & deployment - **Platforms:** CLI, Web - **Deployment:** Cloud / SaaS, Self-hosted ## Integrations (43) _Independently observed._ - Google Search - Google Maps - Vertex AI Search - Anthropic - Google Ads - Meta - LinkedIn - TikTok - Aerospike - Firebase - Firestore - GitHub - Google Workspace - Google Calendar - Salesforce - Slack - Figma - Linear - Notion - MongoDB - Milvus - OpenTelemetry - Grafana Cloud - Langfuse - LangSmith - Freeplay - Hugging Face - Postman - Zapier - Stripe - Resend - Postmark - Pagerduty - Respan - Cloud Trace - Replit - Vercel - Vite - Qwik - BuilderIO - Windsurf - Tonal - Unkey ## Capabilities _The capabilities that matter for Multi Agent Orchestration. "-" = undocumented, not absent._ | Capability | Supported | |---|:--:| | **Capabilities** | | | Architecture paradigm | Graph based cycles | | Native memory and state persistence layer | ✓ | | Dynamic agent generation and spawning at runtime | ✓ | | Synchronous and asynchronous execution modes | ✓ | | Tool calling and function schema validation | ✓ | | Streaming output and intermediate step yielding | ✓ | | Fault tolerance and LLM retry mechanisms | ✓ | | Managed cloud runtime infrastructure offered | ✓ | | Native observability and trace logging | ✓ | | SOC2 type ii | ✗ | | Mit or apache permissive oss license | ✓ | | Pricing model | Free open source | ## Release history | Version | Date | Type | |---|---|---| | [v0.8.0](https://github.com/google/adk-kotlin/releases/tag/v0.8.0) | 2026-08-17 | stable | | [v0.7.0](https://github.com/google/adk-kotlin/releases/tag/v0.7.0) | 2026-08-03 | stable | | [v0.6.0](https://github.com/google/adk-kotlin/releases/tag/v0.6.0) | 2026-07-20 | stable | | [v0.5.0](https://github.com/google/adk-kotlin/releases/tag/v0.5.0) | 2026-07-06 | stable | | [v0.4.0](https://github.com/google/adk-kotlin/releases/tag/v0.4.0) | 2026-06-23 | stable | | [v0.3.0](https://github.com/google/adk-kotlin/releases/tag/v0.3.0) | 2026-06-12 | stable | | [v0.2.0](https://github.com/google/adk-kotlin/releases/tag/v0.2.0) | 2026-05-26 | stable | | [v0.1.0](https://github.com/google/adk-kotlin/releases/tag/v0.1.0) | 2026-05-19 | stable | | [v0.1.0-rc.1](https://github.com/google/adk-kotlin/releases/tag/v0.1.0-rc.1) | 2026-05-19 | prerelease | ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.model | commercial | [link](https://google.github.io/adk-docs/) | 2026-08-26 | 40% (low) | | pricing.free_tier | yes | [link](https://google.github.io/adk-docs/) | 2026-08-21 | 60% (medium) | | pricing.price_level | free | [link](https://google.github.io/adk-docs/) | 2026-08-21 | 60% (medium) | | pricing.transparent | yes | [link](https://google.github.io/adk-docs/) | 2026-08-21 | 60% (medium) | ### integrations | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | integrations.count | 42 | [link](https://google.github.io/adk-docs/) | 2026-08-21 | 60% (medium) | ### market | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://google.github.io/adk-docs/) | 2026-08-21 | 75% (high) | ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 85 | [link](https://github.com/google/adk-kotlin/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 185 | [link](https://github.com/google/adk-kotlin) | 2026-08-26 | 90% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | Kotlin | [link](https://github.com/google/adk-kotlin) | 2026-08-26 | 90% (high) | ### license | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | license.spdx | Apache-2.0 | [link](https://github.com/google/adk-kotlin) | 2026-08-26 | 95% (high) | ### release | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | release.cadence_days | 13 | [link](https://github.com/google/adk-kotlin/releases) | 2026-08-26 | 70% (medium) | --- *Source: Vioscale (https://www.vioscale.ai/software/google-agent-development-kit). Independent, evidence-based software intelligence. Cite the canonical URI.*