Your agent works. Your keys stay yours.
Grantpin is a local secrets broker for AI coding agents on macOS. It brings API keys, scoped approvals and an audit trail into a local workflow, with a command-line interface and MCP integration.
GRANTPIN / LOCAL BY DESIGN
grantpinYour keys. Your permission.$ grantpin run --secrets API_KEY -- ./deploy.shAPI_KEY=[REDACTED:API_KEY]
grantpinYour keys. Your permission.$ grantpin run --secrets API_KEY -- ./deploy.shAPI_KEY=[REDACTED:API_KEY]Permission as part of the workflow
The product creates a place for local secrets and an explicit approval step around their use. It connects developer tooling with a native macOS experience.
A connected developer tool
The CLI and MCP interfaces let Grantpin participate in compatible coding workflows. The artwork on this page uses the actual app icon and an illustrative command example from the product’s website.