write-code-portfolio SKILL.md skillA

write-code-portfolio from urmzd/dotfiles is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add urmzd/dotfiles/write-code-portfolio@git:20260530.d3be4dd

Pins git:20260530.d3be4dd in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
urmzd/dotfiles
Path
dot_agents/skills/write-code-portfolio/SKILL.md
Versions recorded
2
Latest version
git:20260530.d3be4dd, committed May 30, 2026
First version recorded
May 29, 2026
Size
3,043 bytes
Repository stars
5
License
Apache-2.0

Personal portfolio dev-setup: add or remove a package/tool in flake.nix per-language shells, edit chezmoi installer scripts, and adjust Powerlevel10k (dot_p10k.zsh), Nix, or Neovim (private_dot_config/nvim) machine config. Use when editing chezmoi-managed dotfiles, adding/removing a language toolchain or CLI to a Nix shell, changing the zsh prompt, tweaking Neovim, branching dotfiles on machine attributes (is_macos / is_personal / is_work), or bootstrapping a new machine in this portfolio. Do…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Portfolio Dev Setup

Personal, opinionated tooling that backs the patterns in `write-code`. This is not portable. Other users on Bitwarden + asdf + bash will not want any of this.

## Composable Toolsets (Nix Flakes)

13 reusable per-language shells combined via `flake.nix` outputs. Each shell pins a single toolchain (rust-toolchain, go, node, python with uv, etc.). Projects compose the shells they need; nothing pollutes the global env.

- Each language shell exposes a `devShell` and a `lib.tools` set for downstream composition
- Avoid `nix-direnv` here -- vanilla direnv + a `use flake` line keeps cold-start fast and predictable on macOS

## Machine Polymorphism (chezmoi)

Dotfile templates branch on host attributes:

```jinja
{{ if .is_macos -}}
# macOS-only block (Homebrew bundle, defaults write, ...)
{{ end -}}

{{ if and .is_personal (not .is_work) -}}
# personal-only block (1Password personal vault, side projects, ...)
{{ end -}}
```

Attributes come from `.chezmoi.toml.tmpl` (`is_macos`, `is_linux`, `is_personal`, `is_work`). Keep templates small and the booleans flat; deeply nested `{{ if }}` blocks are a smell.

## Powerlevel10k
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add urmzd/dotfiles/write-code-portfolio@sha256:d6f451f1e0e0c970

The line at the top of this page pins the label git:20260530.d3be4dd, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ymz2starwcr4lcu5.svg)](https://markdownregistry.com/a/art_ymz2starwcr4lcu5)

0 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between May 29, 2026 and May 30, 2026, about one every day.

versioncommittedcommitsizeaudit
git:20260530.d3be4dd latest2026-05-30 d3be4dd 3,043 BA view · diff
git:20260529.9238f592026-05-29 9238f59 2,813 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3043 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

urmzd/dotfiles · 5 stars · license Apache-2.0 · pushed 2026-11-03 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ymz2starwcr4lcu5
GET https://markdownregistry.com/api/v1/resolve?ref=urmzd/dotfiles/write-code-portfolio
GET https://markdownregistry.com/api/v1/blob/d6f451f1e0e0c970570de3b7d1024bab3feb2d5c21f2d8353912b6e97e84f2d0

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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