kalkoKalko works where your team already works.
Each page says what Kalko reads, what it writes back and how to connect it. Most integrations are read-only.
Reply.io
Kalko fills your Reply.io merge fields with researched, sourced detail for each prospect. See what Kalko reads, what it writes back and how to connect it.
→IntegrationInstantly
Kalko can push a sequence and its enrolled leads to Instantly, with each lead's researched first email as a custom variable. See what syncs and who it is for.
→IntegrationAttio
Kalko reads your Attio deals to show the real pipeline stage on each account, pause outreach to open deals and learn from wins and losses. Read-only.
→IntegrationLeadfeeder
Kalko reads the companies that visit your website from Leadfeeder, adds a visit signal to accounts on your board and queues new ones for discovery. Read-only.
→IntegrationSlack
Mention the Kalko app in Slack or message it directly. It answers from your workspace data, remembers the thread, and starts discovery once you confirm the cost.
→IntegrationMCP
Use Kalko from Claude, ChatGPT, Cursor or any agent that speaks MCP.
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