Kiro

freemium

Agentic IDE from Amazon with spec-driven development.

Kiro is an agentic IDE from Amazon built on VS Code. It introduces spec-driven development — AI first writes specs and design docs before touching code. Features autonomous agents, hooks for automation, and deep AWS integration.

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kiro.dev
Kiro screenshot

Screenshot · kiro.dev

PricingFreemium
Price / month$20/mo
Free tierYes
Open sourceNo
Built onVS Code fork
ReleasedJuly 2025

Platforms

MacWindowsLinux

AI Models Supported

Claude 5Amazon Nova 2

Key Features

  • Spec-driven development
  • Autonomous agents
  • Hooks (event automation)
  • Steering documents
  • AWS integration
  • MCP support

News — Amazon Web Services

product updateAmazon Web Services

AWS Details Reference Architecture for Multi-Tenant Document Chat on Amazon Bedrock Knowledge Bases

AWS has published a reference architecture showing how to build multi-tenant agentic document chat applications using Amazon Bedrock Managed Knowledge Base. The design handles per-user document isolation, asynchronous ingestion up to 50 MB, and agentic multi-hop retrieval with citations, offloading infrastructure work from development teams.

3 min read
product updateAmazon Web Services

AWS Launches Framework-Agnostic Agent Evaluation via OpenTelemetry in Bedrock AgentCore

Amazon Bedrock AgentCore Evaluations now scores AI agents regardless of the framework they're built on, by reading OpenTelemetry and OpenInference instrumentation instead of requiring a specific SDK. The service automatically decodes traces from six named frameworks and extends coverage to any library following the same telemetry conventions.

3 min read
product updateAmazon Web Services

AWS Expands Natural-Language Policy Authoring for AI Agents in Amazon Bedrock AgentCore

Amazon Bedrock AgentCore now lets teams write agent governance rules in plain English and automatically convert them into Dogwood, an open-source policy language, including support for time-based and cumulative constraints. The update extends Policy Authoring beyond simple parameter restrictions to rate limiting, sequential tool-call ordering, and Amazon Bedrock Guardrails integration.

3 min read
product updateAmazon Web Services

AWS Details Custom Reward Function Design for Multi-Turn RL on Amazon Nova Forge

AWS published a technical guide on designing custom composite reward functions for multi-turn reinforcement fine-tuning (RFT) of Amazon Nova models via Nova Forge's Bring Your Own Orchestration (BYOO) capability. The post covers GRPO-based reward scoring, combining outcome rewards, behavioral rewards, and penalties, plus a serverless multi-turn RL option now generally available.

3 min read
product updateAmazon Web Services

Amazon Quick AI Assistant Now Embeds Directly Into Word, Excel, PowerPoint, and Outlook

Amazon has released Microsoft 365 extensions for its Quick AI assistant, embedding agentic capabilities directly into Word, Excel, PowerPoint, and Outlook. The extensions run entirely in the cloud, require no client-side installation, and connect to existing Quick data sources like Salesforce, Jira, Slack, and SharePoint.

3 min read