Claude Code v2.1.79 → v2.1.80: MCP Channels - Push events into sessions #220
Description
🚀 Major New Feature: MCP Channels
Claude Code v2.1.80 introduces --channels, allowing MCP servers to push messages, alerts, and webhooks directly into running sessions. Plus rate limit display, plugin improvements, and 15+ fixes.
Why This Matters
MCP servers can now proactively communicate with Claude Code sessions instead of waiting to be called. This enables real-time notifications, webhooks, and event-driven workflows.
Key Features Added
- research preview for MCP message pushing
- Rate limits display in statusline ( field)
- Inline plugin marketplace entries via settings.json
- CLI tool usage detection for plugin tips
- Effort level overrides for skills/commands
Source
Auto-tracked from merged PR: https://github.com/anthropics/claude-code-docs/pull/775
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