n8n-expressions-official
n8n-expressions-official is an agent skill published by n8n-io. It lives in the n8n-io/skills repository, which has 554 GitHub stars and is licensed under Apache-2.0; we last read it on 2026-09-16.
This tool assists in writing and reviewing n8n expressions using the `{{...}}` syntax, $json and $node references, Luxon date code, and handles expression errors. It triggers on specific keywords and node-parameter assignments.
Install
skills is a generic installer for any repository of Claude agent skills -- it reads n8n-io/skills’s own structure rather than assuming one, the same way this page reads the skill’s own SKILL.md rather than assuming a format.
npx skills add n8n-io/skills
Maintenance
Use when writing or reviewing n8n expressions (`{{...}}` syntax), `$json` / `$node` references, Luxon date code, or expression errors. Triggers on `{{}}`, `$json`, `$node`, `$input`, `DateTime`, `Luxon`, "expression error", "evaluating", "format date", "transform field", or any node-parameter assignment.
Common questions about n8n-expressions-official
- What does n8n-expressions-official do?
- This tool assists in writing and reviewing n8n expressions using the `{{...}}` syntax, $json and $node references, Luxon date code, and handles expression errors. It triggers on specific keywords and node-parameter assignments.
- How do I install n8n-expressions-official?
- Run npx skills add n8n-io/skills. The skills installer reads the repository’s own structure, so it works for any repository of agent skills.
- Who publishes n8n-expressions-official?
- n8n-io.
- Is n8n-expressions-official maintained, and what licence does it use?
- Its repository has 554 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-17. The repository declares the Apache-2.0 licence.