dprint

A standard setup for dprint, a tool that formats files such as JSON, Markdown, TOML, and YAML. It covers how projects find their formatting configuration and whether they copy or extend a shared configuration.

In plain words
What is it for?
Use it to configure or run formatting for configuration and markup files, with a project-local dprint configuration and optional shared settings.
Why use it?
It prevents projects from silently using the wrong formatting rules or maintaining conflicting configuration copies.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/fmind/dotfiles/dprint
Any agent
npx skills add fmind/dotfiles --skill dprint
Clone the repo
git clone --depth 1 https://github.com/fmind/dotfiles

Made for: Claude Code, Codex.

Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 610 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00037 $0.00610
Opus 5 $0.00018 $0.00305
Sonnet 5 $0.00007 $0.00122
Haiku 4.5 $0.00004 $0.00061

Measured yesterday against content hash 20007408f4e9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

dprint scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/dprint/SKILL.md · 38 lines

How it starts

The opening of the file, as written. The whole thing — 38 lines — stays where its author put it; the contents beside it link to each section on GitHub.

dprint Formatting Standard

Canonical setup for dprint, the primary formatter for configuration and markup languages (JSON, Markdown, TOML, YAML). dprint formats only — linting lives in the language stacks (go-stack, python-stack).

1. Configuration Strategy

dprint resolves config by searching the current directory upward through ancestors; only when that search finds nothing does it fall back to the global config (if one is set up, e.g. via DPRINT_CONFIG_DIR). So every project still needs its own resolvable dprint.json/dprint.jsonc — otherwise it silently inherits whatever the global fallback happens to contain. In this dotfiles repository, root dprint.json is the single canonical config and dot_config/dprint/symlink_dprint.jsonc.tmpl deploys ~/.config/dprint/dprint.jsonc as a symlink to it (the global fallback); do not maintain a second config copy.

  1. Copy (default): Copy root dprint.json into the project root. This is self-contained, version-pinned, and offline; bump plugin versions per repo.
  2. Extends (DRY): Set "extends" to a single source of truth — a local path or a commit-pinned URL, e.g. "extends": "https://raw.githubusercontent.com/fmind/dotfiles/<commit>/dprint.json". Projects inherit and can still override rules or add plugins.

2. Usage

  • dprint fmt — format in place; the pre-commit hook calls the format:dprint task with {staged_files}.
  • dprint check — verify formatting, non-zero exit on diff; wired into check as check:dprint.
  • dprint add <plugin> — add and pin a new plugin version.

3. Gotchas & Guidelines

  • Precedence: The order of plugins in the plugins array defines precedence. Ensure generic formatting plugins do not overshadow specialized ones.
  • Embedded Code Blocks: The Markdown plugin formats fenced code blocks (e.g., JSON, TOML) only when both the Markdown plugin and the respective language plugins are loaded.

Documentation

Read the full file on GitHub · 38 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 38 lines · 37 tokens per session scan A 20007408f4e9

Subscribe to this mod's changes

dprint is a skill published in the GitHub repository fmind/dotfiles (4 stars, last pushed 2d ago), licensed MIT. It adds 37 tokens to every session and 610 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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