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Docs & Writingczhanp/universal_watermark
@czhanp/universal-watermark-skill
A multi-format watermarking Skill and CLI for documents, PDFs, spreadsheets, slides, images, and GIFs.
Suggested install command
npx skills add czhanp/universal_watermark/@czhanp/universal-watermark-skillAlways inspect the linked repository and skill instructions before running commands. Skills are instructions; permissions and execution still matter.
Compatibility
Agent support matrix
3 supported
| Agent | Status |
|---|---|
| Claude Code | Supported |
| OpenCode | Not listed |
| Cursor | Supported |
| MCP | Not listed |
| GitHub Copilot | Not listed |
| Windsurf |