ACP lets multiple coding agents share one editor interface
Cognition's video introduces ACP (Agent Client Protocol), an open standard that lets coding agents like Codex, Claude, Devin, and Gemini operate through a single shared editor interface instead of each requiring its own.
Score breakdown
ACP addresses the fragmentation of coding agent interfaces by establishing a shared protocol, allowing developers to use multiple agents — Codex, Claude, Devin, and Gemini — within a single workspace without changing their workflow.
- 01ACP (Agent Client Protocol) is an open standard for connecting coding agents to editors and developer tools.
- 02ACP provides a shared way to handle tasks, streaming responses, tool calls, diffs, and permission prompts.
- 03Without ACP, each agent requires its own interface; with it, compatible agents appear in the same workspace.
ACP (Agent Client Protocol) is an open standard that gives coding agents and developer tool interfaces a shared way to handle tasks, streaming responses, tool calls, diffs, and permission prompts. The protocol addresses a fragmentation problem: without it, each coding agent ships its own interface, requiring developers to context-switch between separate tools. With ACP, compatible agents surface in the same place within a single editor environment.
The video walks through ACP as implemented in Devin Desktop, where Codex, Claude, Devin, and Gemini all appear in an agent selector.
The video walks through ACP as implemented in Devin Desktop, where Codex, Claude, Devin, and Gemini all appear in an agent selector. A bug investigation serves as the demonstration — one agent is used to investigate the issue, another to suggest a fix, with changes reviewed in the same workspace throughout. Switching agents is reduced to a dropdown selection, and the workflow remains consistent regardless of which agent is running. The latter portion of the video covers Devin-specific capabilities: cloud agents, IDE/cloud session sync, viewing and merging PRs, and Devin review. Devin Desktop is available for download at devin.ai/desktop.
Key facts
- 01ACP (Agent Client Protocol) is an open standard for connecting coding agents to editors and developer tools.
- 02ACP provides a shared way to handle tasks, streaming responses, tool calls, diffs, and permission prompts.
- 03Without ACP, each agent requires its own interface; with it, compatible agents appear in the same workspace.
- 04Devin Desktop's agent selector includes Codex, Claude, Devin, and Gemini.
- 05Switching between agents is a dropdown choice, not an app switch, and the workflow stays the same.
- 06The video also covers Devin-specific features: cloud agents, IDE/cloud session sync, PR viewing and merging, and Devin review.
Topics
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