TradeCalculus MCP Server: Let Claude find, score and reach B2B buyers worldwide: campaigns, runs and results as data over MCP

Hi everyone, we're MarketCalculus, the team behind TradeCalculus and its MCP server.

Why we built it A client wanted to plug their own AI agent into our platform. Instead of a chat-only bridge, we made TradeCalculus a subagent: their agent hands over a whole job ("find 20 buyers") and gets the results back as data, not prose.

What it does

• Creates campaigns and runs lead discovery and scoring from Claude
• Returns companies, contacts and email drafts as structured JSON
• Pauses paid steps for approval, and never sends email without one
• Works with OAuth (claude.ai connectors) or a personal access token (Claude Code)

We'd love your feedback on Which tools or workflows would you want next when prospecting from Claude?