How Ampersand works: YAML-defined integrations, MCP server, free tier for 5 production customers

testingcatalog · x · 2026-10-07

A breakdown of Ampersand's approach to enterprise agent integrations: each customer integration is defined in a YAML manifest with the customer's own objects and fields; agents call them via Ampersand's MCP server or AI SDK, which connects to Vercel AI SDK and Mastra. OAuth tokens, retries, and API quotas are managed per customer. The free tier covers up to 5 production customers.

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