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update_campaign_step — Mailcannon MCP Tool Mutating

update_campaign_step (update campaign step) is one of 34 tools on the Mailcannon MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call update_campaign_step from your client

Fastest route

claude mcp add --transport http mailcannon https://www.thinkandautomate.dev/api/mcp

Other tools on this server

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.