cpp SKILL.md skillA
cpp from ericrisco/rsc-harness is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add ericrisco/rsc-harness/cpp@git:20260729.3ecb845Pins git:20260729.3ecb845 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- ericrisco/rsc-harness
- Path
skills/cpp/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260729.3ecb845, committed Jul 29, 2026
- First version recorded
- Jun 2, 2026
- Size
- 15,862 bytes
- Repository stars
- 236
- License
- MIT
Use when writing, reviewing, modernizing, building, or debugging C++ - RAII and resource lifetime, smart-pointer ownership, move semantics and the Rule of Zero/Five, target-based CMake with FetchContent, and killing undefined behavior with ASan/UBSan/TSan plus clang-tidy. NOT borrow-checker / Result-Option / cargo memory safety (that is rust).
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
# Modern C++ Write, review, modernize, build, and debug C++ the way the C++ Core Guidelines intend: RAII for every resource, ownership made explicit through smart pointers and values, no undefined behavior by construction, and a target-based CMake build proven clean under sanitizers. Targets **C++20/23** for production today. C++23 is ISO/IEC 14882:2024; WG21 froze C++26's technical content on **2026-03-28** (ISO publication follows) — adopt C++26 features only behind confirmed compiler support. Compiler matrix: | Compiler | C++23 | C++26 | Flag | | --- | --- | --- | --- | | GCC | since 11 | since 14 (GCC 16.1 covers most of C++26) | `-std=c++23` / `-std=c++26` | | Clang | 13–18 progressively | in progress (Clang 23 dev) | `-std=c++23` / `-std=c++2c` | | MSVC | latest | partial | `/std:c++23` / `/std:c++latest` | Delegate: borrow-checker, `Result`/`Option`, cargo, ownership-via-compiler -> [`rust`](../rust/SKILL.md) — C++ buys safety with discipline (RAII + smart pointers + sanitizers); do not conflate the mechanisms. Language-agnostic threat modeling, authz, OWASP-class review -> [`secure-coding`](../secure-coding/SKILL.md); the C++-specific …
Read the whole file at its exact version.
How to install
mdr add ericrisco/rsc-harness/cpp@sha256:40d930588a4ab81dThe line at the top of this page pins the label git:20260729.3ecb845, 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.
[](https://markdownregistry.com/a/art_6rxxyzudals4bj2a)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Jun 2, 2026 and Jul 29, 2026, about one every 29 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260729.3ecb845 latest | 2026-07-29 | 3ecb845 | 15,862 B | A | view · diff |
| git:20260615.5ea6bc3 | 2026-06-15 | 5ea6bc3 | 19,128 B | A | view · diff |
| git:20260602.c9dc7fb | 2026-06-02 | c9dc7fb | 19,107 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (15862 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
ericrisco/rsc-harness · 236 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_6rxxyzudals4bj2a GET https://markdownregistry.com/api/v1/resolve?ref=ericrisco/rsc-harness/cpp GET https://markdownregistry.com/api/v1/blob/40d930588a4ab81df88052221c8c8d8a78eb62115948ea56e089ed125e23eebe
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.
More from ericrisco/rsc-harness
Every file in ericrisco/rsc-harness