Cowork and chat merge into one Claude experience for documents and ongoing tasks.
Agent tool timeline
Entries by year
Release history
2026
Sustained work and collaboration7 entriesPlugins compose models, tools, sessions, sandboxes and execution loops, with a recorded task trajectory.
A persistent agent combines memory, reusable skills and tools to carry out tasks locally or on a server.
2025
Tools and runtime infrastructure30 entriesHandles software tasks asynchronously in isolated environments, retaining context from project history and review.
A minimal coding harness emphasizes tools, context control, and session management.
Agents work across the editor, terminal and browser, presenting artifacts that document progress and verification.
Kiro reaches general availability and introduces a CLI for specification-driven development in the terminal.
An open-source coding agent connects to different models to read files, edit code and use project tools.
Organizes agents around roles, tasks and flows as its open-source core reaches general availability.
Instructions, scripts, and resources package reusable, on-demand agent expertise.
Claude Code SDK becomes Claude Agent SDK, expanding its focus to general-purpose agents.
A reusable harness combines planning, a filesystem, and subagents for longer tasks.
Research and action come together through a virtual computer, browser, and terminal.
Google releases an open-source terminal agent for coding, troubleshooting, and tools.
Assigned issues become background coding tasks and reviewable pull requests.
Define an agent with a model, instructions and tools, letting the model choose the next steps.
Tools for building, orchestrating, evaluating and deploying agents, including multi-agent applications.
An open protocol supports agent discovery, task delegation and status updates across vendors.
Agent orchestration adds handoffs, guardrails, and tracing around model and tool calls.
A terminal agent reads code, edits files, runs tests, and uses command-line tools.
2024
Developer tools and execution environments10 entriesModels express actions as code and use tools and execution environments to complete multi-step tasks.
An open protocol standardizes connections between models, data, and tools.
Claude Dev becomes Cline, with streamed edits, mid-task feedback and broader model support.
An execution platform connects coding agents to files, terminals, and browsers.
2023
Early autonomy and collaboration3 entriesAn early autonomous agent uses repeated model calls and tools, adding Selenium-based web browsing in this release.
All 50 entries shown