clang SKILL.md skillA

clang from outlinedriven/outline-driven-development is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add outlinedriven/outline-driven-development/clang@git:20260905.fd53e99

Pins git:20260905.fd53e99 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
outlinedriven/outline-driven-development
Path
.devin/skills/clang/SKILL.md
Versions recorded
1
Latest version
git:20260905.fd53e99, committed Sep 5, 2026
Size
6,519 bytes
Repository stars
55
License
Apache-2.0

Use when a C or C++ build uses clang and needs diagnostics, optimization remarks, clang-tidy, ThinLTO with lld, LLVM PGO, or a GCC-to-Clang migration. Not for LLVM IR work: use llvm.

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

# Clang

## Contract

| Field | Bound contract |
|---|---|
| Trigger | A project compiles with `clang` or `clang++` and the user asks for better diagnostics, wants to see what the optimizer did or skipped, wants static analysis with clang-tidy, needs LTO through lld or LLVM PGO, or is moving a GCC build to Clang. |
| Authority | Read-only. The skill emits flags, commands, and readings to chat; `clang-tidy --fix` is shown but the user runs it. Rollback is not needed because no project file is written. No remote mutation. |
| Side effect | Chat output. Scratch compiles target a scratch file, never the project tree. |
| Done | The requested flag set or command is reported, every flag in it is confirmed against the installed Clang, and every remark or diagnostic in the request has a reading and a next action. |

## Inputs

- Compiler version: required, from `clang --version`. The current stable line is LLVM/Clang 23.1.0; Apple's `clang` reports an Apple version and lags upstream.
- The task: required. One of diagnostics, remarks, static analysis, LTO, PGO, GCC migration, or macOS specifics.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add outlinedriven/outline-driven-development/clang@sha256:0ef0f9c98ab1de38

The line at the top of this page pins the label git:20260905.fd53e99, 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_wsqu4gwlhmhn6gqc.svg)](https://markdownregistry.com/a/art_wsqu4gwlhmhn6gqc)

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

Versions

The registry has recorded 1 version of this file, committed on Sep 5, 2026.

versioncommittedcommitsizeaudit
git:20260905.fd53e99 latest2026-09-05 fd53e99 6,519 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 (6519 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

outlinedriven/outline-driven-development · 55 stars · license Apache-2.0 · pushed 2026-09-28 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wsqu4gwlhmhn6gqc
GET https://markdownregistry.com/api/v1/resolve?ref=outlinedriven/outline-driven-development/clang
GET https://markdownregistry.com/api/v1/blob/0ef0f9c98ab1de38672fb26ed6285723fcdb8e7e12517c86afc0103ec9684f36

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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