sumup

A collection of Agent Skills for building SumUp payment integrations across card-present (terminal) and card-not-present (online) checkout flows.

Installing

These skills work with agents that support the Agent Skills standard, including Claude Code, Cursor, Gemini CLI, OpenCode, OpenAI Codex, and Pi.

Claude Code

Install using the plugin marketplace:

/plugin marketplace add sumup/sumup-skills
/plugin install sumup@sumup

Cursor

Install from the Cursor Marketplace or add manually via Settings > Rules > Add Rule > Remote Rule (Github) with sumup/sumup-skills.

Gemini CLI

Install the extension from GitHub:

gemini extensions install https://github.com/sumup/sumup-skills --ref=main

npx skills

Install using the npx skills CLI:

npx skills add https://github.com/sumup/sumup-skills

Clone / Copy

Clone this repo and copy the skill folders into the appropriate directory for your agent:

Agent	Skill Directory	Docs
Claude Code	~/.claude/skills/	docs
Cursor	~/.cursor/skills/	docs
Gemini CLI	~/.gemini/extensions/	docs
OpenCode	~/.config/opencode/skills/	docs
OpenAI Codex	~/.codex/skills/	docs
Pi	~/.pi/agent/skills/	docs

Skills

Skills are contextual and auto-loaded based on your conversation. When a request matches a skill's triggers, the agent loads and applies that skill.

Skill	Useful for
sumup	Building SumUp checkout integrations for terminal and online payment flows, including SDK and API-based implementations

Resources

• SumUp Developer Documentation
• SumUp API Reference
• SumUp MCP Server