Nushell Style | Agent Skills Atlas

About this skill

Use when writing, editing, reviewing, or debugging Nushell (.nu) files. Covers opinionated pipeline composition, command choices (where vs filter, match vs if/else, get --optional), formatting conventions (Topiary), type signatures, module structure, testing with nutest (unit tests, snapshot tests, @example attributes, coverage), NUON data format, toolkit.nu patterns, nu --ide-check debugging, the Nushell MCP server, and migration guide for updating scripts across Nushell versions (0.100–0.114: breaking changes, renamed commands, new idioms). Relevant when the user says "write nushell code," "review my .nu file," "nushell style," "nushell best practices," "format nushell," "nushell pipeline," "nutest," "NUON," "nu --ide-check," "nushell MCP," "update nushell script," "nushell breaking changes," or "nushell migration.

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Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: d4aa03dfd7613822326cab243bc5a29126f0c8fa9c55026fbe9fa3de6f328044

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Original listing metadata

Original name

nushell-style

Original description

This skill should be used when writing, editing, reviewing, or debugging Nushell (.nu) files. Covers opinionated pipeline composition, command choices (where vs filter, match vs if/else, get --optional), formatting conventions (Topiary), type signatures, module structure, testing with nutest (unit tests, snapshot tests, @example attributes, coverage), NUON data format, toolkit.nu patterns, nu --ide-check debugging, the Nushell MCP server, and migration guide for updating scripts across Nushell versions (0.100–0.114: breaking changes, renamed commands, new idioms). Relevant when the user says "write nushell code," "review my .nu file," "nushell style," "nushell best practices," "format nushell," "nushell pipeline," "nutest," "NUON," "nu --ide-check," "nushell MCP," "update nushell script," "nushell breaking changes," or "nushell migration.

About this listing

Category: Developer tools
Reported license: Not specified
Listing language (estimated): English
Review status: Not individually reviewed
Agent compatibility: Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.