ChatGPT

WarmInboxes Free MCP: Fleet Planner for ChatGPT

com.warminboxes/fleet-planner

Read-only sizing and pricing for cold email inboxes: how many, which provider, what it costs.

client:ChatGPT transport:streamable-http tools:16

Install WarmInboxes Free MCP: Fleet Planner in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://warminboxes.com/mcp/planner

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

What ChatGPT can do once it is connected

WarmInboxes Free MCP: Fleet Planner in other clients

WarmInboxes Free MCP: Fleet Planner MCP server