AI BriefingCowork: Enhanced MCP and Claude Support
·2026.06.07 01:00
Key point
The Cowork plugin 2.1.163 update adds MCP connector discovery, Claude token counting, and plugin authoring guides.
Details
The Cowork plugin 2.1.163 update adds various features and data for leveraging AI agents and MCP (Model Context Protocol).
Key updates:
- Data and schemas: Detailed plugin component schemas and various templates are provided, including skills, agents, hooks, and MCP servers.
- Enhanced MCP support: Includes an MCP connector discovery guide, how to write
.mcp.json, and strategies for identifying project tools and workflows using knowledge MCP. - Claude API optimization: A token counting guide using Claude's
messages.counttokenshas been added, along with cautionary notes about using OpenAI'stiktoken. - Developer tools: Plugin authoring guidelines, a browser file upload tool, and an outcome-first system prompt guide have been introduced.
This update focuses on supporting MCP-based agent customization and precise token management using the Claude API.
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