Anthropic Brings Claude Code to Slack for In-Chat Development

Anthropic announced that Claude Code is coming to Slack, enabling developers to delegate coding tasks directly from chat conversations without leaving their team workspace.

The integration, launching as a research preview, allows developers to tag @Claude in Slack threads to spin up coding sessions using recent channel context. When a developer mentions a bug report or feature request in a channel, Claude Code can analyze the conversation, determine the relevant repository, and begin working on a solution while posting progress updates in the thread.

The system can share links to review completed work and open pull requests, moving from conversation to code without requiring developers to switch applications. For engineering teams already centered on Slack for communication, the integration eliminates the friction of context-switching between chat and development environments.

Deeper Platform Integration

The Slack integration builds on a broader partnership between Anthropic and Salesforce announced in October. That agreement established bi-directional connections between Claude and Slack, allowing the AI to access channels, messages, and files through Slack’s Model Context Protocol server.

This infrastructure enables Claude Code to read specifications from Slack canvases and document code directly within the platform. Engineering teams can maintain their entire workflow—from initial discussion to code review—within Slack’s interface.

The timing reflects Anthropic’s push to embed Claude into enterprise workflows. Claude Code reached general availability in May 2025 and has since been adopted by major enterprises including Netflix, Spotify, KPMG, L’Oréal, and Salesforce. The product launched on the web in October, expanding access beyond command-line interfaces.

Anthropic reported that Claude Code reached $1 billion in annualized run-rate revenue just six months after general availability, underscoring rapid enterprise adoption. The company acquired Bun, the JavaScript runtime, on December 2 specifically to scale Claude Code’s infrastructure.

Competing for Developer Attention

The Slack integration positions Anthropic to compete more directly with coding assistants from Microsoft, Google, and emerging startups. GitHub Copilot dominates IDE-based assistance, but Slack integration opens a different vector—meeting developers where asynchronous collaboration already happens.

For teams using AI coding assistants, the ability to trigger development tasks from a chat message could streamline workflows that currently require manual handoffs. A product manager could describe a bug in Slack and have Claude Code begin investigating immediately, with the engineering team reviewing progress in real-time.

Claude Code operates as an agentic system rather than a simple code generator. It plans work, edits files across repositories, runs tools, and executes multi-step development workflows. The latest Claude Opus 4.5 model powers these capabilities, with improvements to planning depth and resistance to prompt injection attacks.

Enterprise customers on Anthropic’s Team and Enterprise plans receive Claude Code as a bundled feature with centralized policy management. Administrators can enforce internal policies on tool permissions, file access, and server configurations across all deployments.

What This Means for Development Teams

The Slack integration will shift how AI coding tools might integrate with existing workflows. Rather than requiring developers to adopt new interfaces, Anthropic is embedding capabilities into platforms teams already use daily.

Whether this approach gains traction will depend on how well Claude Code handles the context limitations inherent in chat-based interactions. Complex development tasks often require understanding that extends beyond what a Slack thread can convey. The research preview will likely reveal how effectively Claude Code bridges that gap.

For now, the integration is available to select users as Anthropic gathers feedback before broader rollout. Teams interested in early access can request participation through Anthropic’s enterprise channels.