Agent skill

Diff Profile

by davekilleen in davekilleen/Dex

Package your entire Dex system into a shareable DexDiff profile so others can replicate how you work.

Custom licenceAuto-check passed

Install Diff Profile

skills CLI
$ npx skills add davekilleen/Dex --skill diff-profile -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install davekilleen/Dex diff-profile --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/davekilleen/Dex.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/diff-profile .claude/skills/diff-profile && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
diff-profile
GitHub stars
493
Token cost
~1.6k tokens
SKILL.md length
637 words
Files
1
Skills in repo
58
Repo updated
First seen
Licence
Custom licence

At a glance

Package your entire Dex system into a shareable DexDiff profile so others can replicate how you work.

  • Works in 10 steps: Scan your entire vault — all custom… → Build candidate workflow clusters based… → Score each candidate for → …
  • The user says share my whole setup
  • SKILL.md covers What This Command Does, Status, What It Will Do (Preview) and Quality Bar, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Diff Profile is an agent skill from davekilleen/Dex. Package your entire Dex system into a shareable DexDiff profile so others can replicate how you work. Use when the user says 'share my whole setup', 'publish my profile'. Not for a single workflow; use diff-generate. Not for adopting a whole profile; use diff-adopt-profile.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Your AI Chief of Staff — a personal operating system starter kit that adapts to your role. No coding required.

When your agent uses it

  • The user says share my whole setup
  • Publish my profile

Example prompts

  • “share my whole setup”
  • “publish my profile”
  • “/diff-profile”

Workflow steps

10 steps, taken from the first numbered list in SKILL.md.

  1. Scan your entire vault — all custom skills, hooks, extensions
  2. Build candidate workflow clusters based on shared folders, skill references, hook chains, and observed usage sequences
  3. Score each candidate for
  4. Merge, split, or drop candidates using these rules
  5. Aim for the smallest set of workflows that fully captures the user's differentiated value
  6. Propose boundaries with names and descriptions
  7. Before showing the groupings, explain the judgement clearly
  8. Generate a methodology doc for each retained cluster
  9. Generate an overview narrative: "How I use Dex as a [role]"
  10. Save everything to the DexDiff profile draft area in the user's vault.

What it can do on your machine

Read from SKILL.md and the folder at commit ab5d6ad. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Diff Profile loads about 1.6k tokens when it runs. Until then it costs about 73 tokens; SKILL.md has 637 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~73
When it runs · the whole SKILL.md, loaded when a task matches
~1.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 637 words (~1,557 tokens).

“In plain English: Scans your entire vault, identifies your strongest custom workflows, groups them at the right level of granularity, and generates methodology documents for each one - plus an overview of how you use Dex. The result is a…”

— opening of SKILL.md by davekilleen, Custom licence
name
diff-profile

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/diff-profile of davekilleen/Dex.

Open the folder on GitHubat commit ab5d6ad

Compare with similar skills

Diff Profile next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Diff Profile compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Diff Profile this skilldavekilleen/Dex493—~1.6kAutomated safety check: PassCustom licence
Diffsopenclaw/openclaw392k4 repos~461Automated safety check: PassMIT
Profileccusage/ccusage19k—~430Automated safety check: PassCustom licence
Cpu ProfileClickHouse/ClickHouse50k—~1.9kAutomated safety check: NotesApache-2.0
Codex Profilessickn33/agentic-awesome-skills47k1 repos~1.7kAutomated safety check: PassMIT
Accesslint Diffsickn33/agentic-awesome-skills47k1 repos~1.2kAutomated safety check: PassMIT

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Questions about Diff Profile

What does Diff Profile do?

Package your entire Dex system into a shareable DexDiff profile so others can replicate how you work. Diff Profile is an agent skill from davekilleen/Dex. Package your entire Dex system into a shareable DexDiff profile so others can replicate how you work.

When should I use Diff Profile?

Diff Profile fits situations like: the user says share my whole setup; publish my profile.

How do I install Diff Profile in Claude Code?

Run `npx skills add davekilleen/Dex --skill diff-profile -a claude-code`. Or copy the skill folder (.agents/skills/diff-profile in davekilleen/Dex) into .claude/skills/diff-profile in your project. Claude Code loads it when a task matches its description.

How do I install Diff Profile in Codex?

Run `npx skills add davekilleen/Dex --skill diff-profile -a codex`. Or copy the skill folder (.agents/skills/diff-profile in davekilleen/Dex) into .agents/skills/diff-profile in your project. Codex loads it when a task matches its description.

Can I use Diff Profile in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add davekilleen/Dex --skill diff-profile -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/diff-profile, .gemini/skills/diff-profile, .github/skills/diff-profile and .opencode/skills/diff-profile in your project.

What does Diff Profile need to run?

SKILL.md names no scripts, command-line tools or credentials: Diff Profile is instructions for the agent only.

Does Diff Profile access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Diff Profile safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Diff Profile use?

Diff Profile has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Diff Profile use?

About 1.6k tokens (SKILL.md is roughly 6.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Diff Profile?

Skills that share tags, products or a category with Diff Profile: Diffs (openclaw/openclaw, 392k stars), Profile (ccusage/ccusage, 19k stars), Cpu Profile (ClickHouse/ClickHouse, 50k stars) and Codex Profiles (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Diff Profile?

davekilleen (a GitHub user) maintains it in davekilleen/Dex, which has 493 GitHub stars. The repository holds 58 skills in this directory. The repository was last updated on October 2, 2026.

Source: davekilleen/Dex on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.