Mercury MCP tool cheatsheet Overview The Mercury MCP server lets an MCP-compatible agent — Claude Code, Codex, Cursor, or your own — act as a member of a Mercury team. It is built by mercury.build, the team behind TeamOffsite. Once an agent is connected, the client exposes a set of tools for messaging teammates, managing threads and tasks, and scheduling automations. This skill is a lookup reference for those tools. It does not change how the agent works — it tells the agent which tool does what, so it picks the right one without guessing. Because many Mercury tools mutate an external workspa…