Install
npx skills add sumup/sumup-skills --skill sumup-debug
Runs the open skills CLI and installs the skill for your agent (Claude Code, Codex, Cursor …). Alternatively copy the skill folder into .claude/skills/ or upload it in Claude.ai under Settings → Skills.
As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-official
/plugin install sumup@sumup
This skill is part of the plugin “sumup”. In Claude Code the plugin installs it together with the plugin’s other skills, commands and hooks.
What does the sumup-debug skill do?
Description from the SKILL.md in the source repository.
Questions about sumup-debug
What does the sumup-debug skill do?
Diagnose and fix failing SumUp payment integrations, including checkout errors, callback verification, widget mounting, merchant or currency mismatches, missing scopes, affiliate setup, and uncertain or duplicate payments. MCP connection setup belongs to sumup-mcp.
How do I install sumup-debug?
In a terminal: npx skills add sumup/sumup-skills --skill sumup-debug. The skills CLI asks which agents to install it for. In Claude.ai you can upload the skill folder as a ZIP under Settings → Skills.
Which agents can use sumup-debug?
Skills use the open SKILL.md format, which Claude Code, Claude.ai, the Claude API, OpenAI Codex, Cursor, Gemini CLI and other agents support.
Is sumup-debug safe to use?
Our automatic check found no risky patterns (piped shell scripts, hidden characters, secret access, prompt overrides). It is not a full audit – read the SKILL.md and any scripts before installing.
More skills from sumup/sumup-skills
Choose a SumUp integration and credential model, or review its payment security. Use for Hosted Checkout vs Card Widget, reader SDK vs Cloud API, API key vs OAuth, and public vs secret …
Configure, authenticate, troubleshoot, or use the SumUp MCP server at mcp.sumup.com. Use for MCP client setup, missing tools, OAuth connection failures, merchant account queries, and SumUp documentation resources.
Set up SumUp sandbox merchants, choose online test cards or terminal simulation amounts, test saved-card tokenization, and design or run payment-flow regression checks. Use for requested test setup, scenarios, or verification.
Implement or modify SumUp payment integrations using Hosted Checkout, Card Widget, Checkouts API, saved cards, React Native Checkout, terminal SDKs, Tap to Pay, or Cloud API.
Upgrade SumUp server or mobile SDKs, migrate deprecated endpoints, and assess release compatibility. Use for dependency bumps or migrations involving @sumup/sdk, Go, Python, PHP, Java, Rust, .NET, reader SDKs, Tap to Pay …
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