Skills c-pro
📦

c-pro

Content revision r2 Safe ⚙️ External commands

Build Reliable C Systems Code

C systems work can fail through leaks, unchecked calls, and poor portability. This skill guides robust C99/C11 implementation, testing, debugging, and performance validation.

Supports: Claude Codex Code(CC)
🥉 78 Bronze

Install with my Agent

Copy this request to your Agent. It includes the canonical Skill page and manifest.

Agent request
Review the Skillstore skill "c-pro" from https://skillstore.io/skills/sickn33-c-pro.md and its manifest at https://skillstore.io/api/skills/sickn33-c-pro/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.

Markdown detail GET /skills/sickn33-c-pro.md Signed manifest GET /api/skills/sickn33-c-pro/manifest Signed lockfile GET /api/skills/sickn33-c-pro/lockfile

Test it

Using "c-pro". Review a linked-list insertion function that allocates nodes and can fail.

Expected outcome:

  • Ownership map identifying the caller, list, and temporary allocation responsibilities.
  • Failure-path review covering allocation errors, unchanged list state, and cleanup.
  • Test plan for empty lists, allocation failure, repeated insertion, and complete destruction.

Using "c-pro". Plan a bounded producer-consumer queue for a POSIX service.

Expected outcome:

  • Synchronization design using one mutex, condition variables, and explicit shutdown state.
  • Error-handling checklist for initialization, waits, thread creation, and partial cleanup.
  • Validation plan covering race detection, saturation, shutdown, and repeated startup.

Using "c-pro". Reduce memory use in firmware without changing observable behavior.

Expected outcome:

A measurement-first plan compares stack, heap, and static storage, then prioritizes verified reductions with regression and timing checks.

Security Audit

Safe
v5 • 7/23/2026 Open versioned report

The only static finding is a false positive caused by Markdown backticks around a resource path. The skill contains guidance only, with no executable shell command or malicious intent.

1
Files scanned
60
Lines analyzed
0
Review items
0
False positives ignored

Risk Factors

⚙️ External commands (1)
SKILL.md:24
No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.
Audited by: codex View Audit History →
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Open versioned report
Security Assessment

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Academic citations (APA · BibTeX · CFF)

APA citation

sickn33. (2026). c-pro security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/sickn33-c-pro/audits/5

BibTeX citation

@techreport{sickn33-sickn33-c-pro-2026, author = {sickn33}, title = {c-pro security audit report (audit version 5)}, institution = {Skillstore}, year = {2026}, number = {5}, url = {https://skillstore.io/skills/sickn33-c-pro/audits/5}, note = {Author version unspecified} }

CITATION.cff

cff-version: 1.2.0 message: "If you use this Skill, cite its author and this versioned security audit report." title: "c-pro security audit report (audit version 5)" version: "unspecified" type: report authors: - name: "sickn33" date-released: "2026-07-23" url: "https://skillstore.io/skills/sickn33-c-pro/audits/5" identifiers: - type: other value: "skillstore:sickn33-c-pro:audit:5" description: "Skillstore immutable audit report identifier"

Skillstore Score

Why this score Evidence Confidence: High
55
Architecture
85
Maintainability
87
Content
69
Community
83
Spec Compliance

What You Can Build

Learn Safe Memory Ownership

Explain allocation, ownership, cleanup paths, and pointer use for a small C program.

Harden POSIX Components

Review system calls, pthread synchronization, error handling, headers, and tests for production services.

Optimize Constrained Firmware

Reduce stack and heap pressure, identify measurable bottlenecks, and preserve portability on constrained targets.

Try These Prompts

Explain Memory Ownership 
Explain memory ownership for [task]. Identify allocations, owners, lifetimes, cleanup paths, and failure cases using C99 conventions.
Implement a Defensive Component 
Implement [component] in C11 for [platform]. Include headers, ownership rules, checked return values, cleanup logic, compiler flags, and focused tests.
Review Concurrent POSIX Code 
Review the provided pthread code for races, deadlocks, resource leaks, and unchecked calls. Propose corrections and a reproducible validation plan.
Profile an Embedded System 
Analyze [embedded workload] under [memory and timing limits]. Prioritize measured bottlenecks, bounded resource use, portability, benchmarks, and regression tests.

Best Practices

  • State ownership and lifetime rules before implementing allocations or shared data structures.
  • Compile with strict warnings and validate using tests, static analysis, debugging tools, and leak checks.
  • Profile representative workloads before optimizing, then preserve behavior with regression benchmarks.

Avoid

  • Do not return unverified code without checking allocation failures, system-call results, and cleanup paths.
  • Do not optimize from assumptions when target measurements and resource limits are unavailable.
  • Do not claim portability, memory safety, or thread safety without environment-specific validation.

Frequently Asked Questions

Which C standards does this skill target?
It targets C99 and C11, with POSIX guidance when the task requires operating-system interfaces.
Can it help with memory leaks?
Yes. It can trace ownership and cleanup paths, but Valgrind or equivalent target testing must confirm the result.
Does it support embedded development?
Yes. It considers stack limits, heap pressure, deterministic resource use, portability, and hardware constraints.
Can it review multithreaded C?
Yes. It can assess pthread synchronization, races, deadlocks, shutdown behavior, and resource cleanup.
Will it generate build and test guidance?
Yes. Outputs may include Makefile flags, header organization, CUnit tests, debugging steps, and benchmark plans.
Does it execute compilers or analysis tools?
No. Tool execution depends on the connected agent environment and user permissions.

Developer Details

Author

sickn33

License

MIT

Skillstore revision

r2

Version notice

The author did not declare a version.

Repository

https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/c-pro

Ref

f9e2c34b4f19c7f3e6b0a1e93227b5f77cc12526

Maintenance freshness

7/26/2026

Usage

11 downloads · 166 views

File structure

📄 SKILL.md

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