An MCP server is useful when a model needs capabilities it cannot safely fake.
Product launch is one of those cases. A model can draft a launch post, but it cannot safely hold connector auth, enforce approval state, remember launch history, poll measurement later, or prove what was executed.
ChiefLab is the after-build GTM execution layer for agents. It exposes product-launch tools over MCP:
chieflab_get_users_after_buildcreates the grounded launch room.chiefmo_continue_launch_loopresumes the stateful workflow.chiefmo_publish_approved_postandchiefmo_send_approved_emailrefuse without approved action IDs.chiefmo_measure_launch_resultsreads the result and prepares the next move.
The difference from plain chat is state. ChiefLab remembers approvals, actions, outcomes, best channels, and the next recommended move for the workspace.
npx @chieflab/cli init