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Coldrig
Cold-email infrastructure your coding agent operates.
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Coldrig - 2026 Pricing, Features, Reviews & Alternatives
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Last updated: October 2026
Coldrig overview
What is Coldrig?
Cold-email infrastructure operated by a coding agent over MCP or HTTP, with an optional dashboard for human oversight. One account token exposes 30 tools that set up dedicated sending domains and mailboxes, run automated warmup, launch and pause sequenced campaigns, manage a single reply inbox, track lead status, and send signed webhooks for replies, bounces, complaints, and unsubscribes. A suppression list is checked on every send, every campaign email carries the sender's postal address and a one-click unsubscribe header, and per-mailbox send caps and complaint auto-pause are enforced on the server rather than left to the agent. Pricing starts at $99 per month for five mailboxes, then $8 per mailbox up to twenty and $7 after that, with domains included and no per-send fees. A free sandbox that needs no card simulates the full workflow without sending real email. The operating agent writes the copy and chooses the targets, the customer remains the sender of record, and no inbox-placement guarantee is made.
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Coldrig alternatives
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Per month
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Coldrig pricing
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Starting from
99
Per month
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