Agent Skills for teaching agents how to build with SumUp.
Install
npx skills add sumup/sumup-skillsgh skill install sumup/sumup-skillsgit clone --depth 1 https://github.com/sumup/sumup-skillsSkills in this collection
- SumupSumUpImplement SumUp checkout flows end-to-end. Use when writing or reviewing SumUp Checkouts API calls, Card Widget mounts, Hosted Checkout setup, recurring tokenization, Terminal SDK / Cloud API reader checkouts, or 3DS / webhook handling.
- Sumup Best PracticesSumUpPick the right SumUp integration path and apply security best practices. Use when deciding between Hosted Checkout, Card Widget, Checkouts API, mobile SDKs, terminal SDKs, or Cloud API; choosing API key vs OAuth vs restricted keys; or reviewing SumUp integration security.
- Sumup DebugSumUpTroubleshoot common SumUp integration failures. Use when SumUp HMAC signature checks fail, checkout sessions expire, scopes aren't activated, widget mount is blocked, affiliate keys don't match, or `checkout_reference` collides.
- Sumup MCPSumUpUse the SumUp MCP server (https://mcp.sumup.com/mcp) from Cursor, Claude Code, Codex, or any MCP-capable client. Use when the user mentions SumUp MCP, needs to wire mcp.sumup.com, or wants tool-based access to SumUp APIs.
- Sumup TestingSumUpSet up and run SumUp sandbox tests. Use when configuring a SumUp test merchant, picking test cards, triggering deliberate failure (`amount = 11`), or building a SumUp end-to-end test harness.
- Upgrade SumupSumUpGuide for upgrading SumUp API versions and server/mobile SDKs (@sumup/sdk, sumup-go, sumup Python, PHP, Java, Rust, .NET, iOS Terminal, Android Reader, Swift Checkout, React Native). Use when bumping SumUp SDK versions or migrating off deprecated endpoints.