Agent skill

Coverage

以 ENABLETESTCOVERAGE=ON 构建、运行测试并生成 lcov 代码覆盖率报告, 复现 CI 的 coverage 流水线。用户要求"跑覆盖率"、"生成 coverage 报告"、查某模块覆盖情况时使用。

Apache-2.0Auto-check passedTesting & QA

Install Coverage

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a claude-code

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

GitHub CLI

$ gh skill install thun-res/vlink coverage --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/thun-res/vlink.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/coverage .claude/skills/coverage && 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/

Paste into Claude Code

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .claude/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install thun-res/vlink coverage --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/thun-res/vlink.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/coverage .agents/skills/coverage && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .agents/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install thun-res/vlink coverage --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/thun-res/vlink.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/coverage .cursor/skills/coverage && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .cursor/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/thun-res/vlink.git --path .agents/skills/coverage

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install thun-res/vlink coverage --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/thun-res/vlink.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/coverage .gemini/skills/coverage && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .gemini/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install thun-res/vlink coverage

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/thun-res/vlink.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/coverage .github/skills/coverage && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .github/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add thun-res/vlink --skill coverage -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install thun-res/vlink coverage --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/thun-res/vlink.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/coverage .opencode/skills/coverage && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "coverage" agent skill from https://github.com/thun-res/vlink/tree/master/.agents/skills/coverage into .opencode/skills/coverage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "coverage", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: coverage
GitHub stars: 115
Token cost: ~913 tokens
SKILL.md length: 174 words
Files: 2
Skills in repo: 16
Repo updated: Oct 7, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Works in 2 steps: 执行 → 结果处理
Tasks that involve Test coverage
SKILL.md covers 1. 执行 and 2. 结果处理
Calls cmake, git and bash

What it does

Coverage is an agent skill from thun-res/vlink. 以 ENABLETESTCOVERAGE=ON 构建、运行测试并生成 lcov 代码覆盖率报告, 复现 CI 的 coverage 流水线。用户要求"跑覆盖率"、"生成 coverage 报告"、查某模块覆盖情况时使用。

Its SKILL.md is about 910 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

It sits in Testing & QA, covering Test coverage. It works with C++. The repository describes itself as: VLink is a high-performance C++ communication middleware for autonomous driving and embodied intelligence, positioned as a full-scenario alternative to ROS 2. The licence is Apache-2.0.

When your agent uses it

Tasks that involve Test coverage

Example prompts

“生成 coverage 报告”
“/coverage”

Workflow steps

2 steps, taken from the step headings in SKILL.md.

执行
结果处理

What it can do on your machine

Read from SKILL.md and the folder at commit 1793889. 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
Shell commands in SKILL.md call:
- cmake
- git
- bash
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.
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

Coverage loads about 913 tokens when it runs. Until then it costs about 30 tokens; SKILL.md has 174 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~30
When it runs · the whole SKILL.md, loaded when a task matches: ~913

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

The full file from thun-res/vlink at commit 1793889, republished under its Apache-2.0 licence (© thun-res). 174 words, ~913 tokens.

Download SKILL.mdSave it as .claude/skills/coverage/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.

name: coverage
description: 以 ENABLE_TEST_COVERAGE=ON 构建、运行测试并生成 lcov 代码覆盖率报告, 复现 CI 的 coverage 流水线。用户要求"跑覆盖率"、"生成 coverage 报告"、查某模块覆盖情况时使用。

代码覆盖率

本 skill 只在 Linux 的 GCC/Clang + lcov 环境执行。Windows helper 不会创建当前 coverage target,macOS 与 QNX 也不是仓库 CI 覆盖率基线;不满足条件时停止并报告未验证,不得继续宣称已生成覆盖率。

ENABLE_TEST_COVERAGE=ON 时,根 CMakeLists.txt 对 vlink 库目标调用 vlink_test_coverage(... TYPE lcov EXCLUDES ...)(定义于 cmake/functions/common.cmake):注入 -O0 -g -fprofile-arcs -ftest-coverage;构建并运行 vlink-test 产生被测库 profile 数据, 并生成 coverage 构建目标。排除目录由根 CMakeLists 的 VLINK_TEST_COVERAGE_EXCLUDES 统一维护(languages/c_api/、cli/、 exprtk/、proxy/、test/、thirdparty/ 等)。

当前覆盖率流程不同时启用 ASan;CI 的 coverage job 固定 ENABLE_TEST_SANITIZE=OFF(.github/workflows/ci-coverage.yml)。

1. 执行

以下步骤与 .github/scripts/ci-coverage.sh 的构建、测试和报告入口一致;如需完全复现 CI 的依赖组合与编译选项,还需采用 .github/workflows/ci-coverage.yml 中的 VLINK_CI_CMAKE_ARGS。

bash

REPO_ROOT="$(git rev-parse --show-toplevel)"
BUILD_DIR_REL=build-ai/skill_coverage
BUILD_DIR="$REPO_ROOT/$BUILD_DIR_REL"
export PYTHONPYCACHEPREFIX="$BUILD_DIR/__pycache__"
PHYSICAL_CORES=
case "$(uname -s 2>/dev/null)" in
  Linux)
    PHYSICAL_CORES="$(
      LC_ALL=C lscpu -p=CORE,SOCKET 2>/dev/null |
        awk -F, '
          $1 !~ /^#/ && $1 ~ /^[0-9]+$/ && $2 ~ /^[0-9]+$/ {
            cores[$2 SUBSEP $1] = 1
          }
          END {
            for (core in cores) {
              count++
            }
            if (count > 0) {
              print count
            }
          }'
    )" || PHYSICAL_CORES=
    ;;
  Darwin)
    PHYSICAL_CORES="$(sysctl -n hw.physicalcpu 2>/dev/null)" || PHYSICAL_CORES=
    ;;
esac
case "$PHYSICAL_CORES" in
  '' | *[!0-9]* | 0) PHYSICAL_CORES=1 ;;
esac
if [ "$PHYSICAL_CORES" -gt 1 ]; then
  BUILD_JOBS=$((PHYSICAL_CORES - 1))
else
  BUILD_JOBS=1
fi

配置:

bash

cmake -S "$REPO_ROOT" -B "$BUILD_DIR" \
  -DCMAKE_BUILD_TYPE=Debug \
  -DENABLE_CXX_STD_20=OFF \
  -DENABLE_TEST=ON \
  -DENABLE_TEST_WARN=ON \
  -DENABLE_TEST_COVERAGE=ON \
  -DENABLE_TEST_SANITIZE=OFF \
  -DENABLE_PROXY=ON \
  -DENABLE_EXAMPLES=OFF

配置前确认 Fast DDS 或 Cyclone DDS 可被 CMake 找到。CMake 将 ENABLE_PROXY 改回 OFF 或未生成 vlink-proxy target 均为配置失败,不得继续测试。

构建并运行测试(必须先跑测试才有 profile 数据)。复用 CI 脚本以启动 vlink-proxy,并沿用 CI 的测试参数:

bash

cmake --build "$BUILD_DIR" --target vlink-test vlink-proxy --parallel "$BUILD_JOBS"
cd "$REPO_ROOT"
BUILD_DIR="$BUILD_DIR_REL" bash .github/scripts/run-posix-ci-tests.sh

生成报告:
bash
```
cmake --build "$BUILD_DIR" --target coverage --parallel "$BUILD_JOBS"
```
HTML 报告位于 $BUILD_DIR/coverage/index.html,汇总文本可重定向保存 (CI 存为 coverage-summary.txt 并取 tail -80 查看)。

2. 结果处理

根工程当前固定使用 lcov;底层 helper 也支持 gcovr,但本配置未选用。缺少 lcov 时 CMake 只告警、coverage 目标不可用。
BUILD_JOBS 必须严格等于 max(真实物理核心数 - 1, 1)。禁止改用逻辑 CPU 数、裸 --parallel/-j 或固定高并行度;无法可靠获取物理核心数时固定单核,且同一时刻只运行一个本地构建,防止编译卡死或耗尽内存。
默认 BUILD_DIR_REL 为 build-ai/skill_coverage;正被其他任务使用时先改为 build-ai/skill_coverage_<task_name>,再派生 BUILD_DIR,不得共用或清理其他构建目录。
覆盖率不足时先报告;用户同时要求提升覆盖率时优先补 test/ 用例, 而不是调整 EXCLUDES 把目录排除掉;修改 EXCLUDES 需与维护者确认。
对依赖罕见系统失败、平台专属分支、不可稳定触发的防御性兜底等确实难以覆盖的代码,可沿用仓库标记跳过统计:
- 优先使用成对的 LCOV_EXCL_START GCOVR_EXCL_START 与 LCOV_EXCL_STOP GCOVR_EXCL_STOP;
- 明确只需排除单行时使用 LCOV_EXCL_LINE GCOVR_EXCL_LINE;
- 仅需排除分支统计时使用 LCOV_EXCL_BR_LINE GCOVR_EXCL_BR_LINE。标记必须缩到最小范围并保留;正常业务分支、可通过 mock 或输入构造覆盖的路径不得排除。添加前先说明为何无法稳定测试,不得为了提高数字而使用排除标记。
只在用户显式调用本 skill 时才执行构建与测试;日常改码流程仍遵循 AGENTS.md 强制规则第 3 条(不主动构建)。

Files

SKILL.md and 1 other file in .agents/skills/coverage of thun-res/vlink.

SKILL.md
agents/openai.yaml

Open the folder on GitHubat commit 1793889

Compare with similar skills

Coverage 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.

Coverage compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Coverage this skillthun-res/vlink	115	—	~913	Automated safety check: Pass	Apache-2.0	yesterday
OpenROAD Module Test AdderThe-OpenROAD-Project/OpenROAD	3.2k	—	~1.8k	Automated safety check: Pass	BSD-3-Clause	today
Testinghw-native-sys/pypto	126	—	~1.1k	Automated safety check: Pass	Custom licence	8 days ago
Review Op Test CoverageCVCUDA/CV-CUDA	2.7k	—	~264	Automated safety check: Pass	Custom licence	21 days ago
Interval Guided Regression Test UpdateArabelaTso/Skills-4-SE	253	—	~2.7k	Automated safety check: Pass	Apache-2.0	1 mo ago
Experimental Code Coverage Config Validatornwjs/chromium.src	160	—	~1.1k	Automated safety check: Pass	BSD-3-Clause	4 days ago

Similar skills

OpenROAD Module Test Adder
The-OpenROAD-Project/OpenROAD
Adds integration or unit tests to an OpenROAD module: writes the Tcl test, generates golden files and registers it in both CMake and Bazel.
3.2k GitHub stars~1.8k tokensUpdated today
Testing & QAAuto-check passed
Testing
hw-native-sys/pypto
Verify testing coverage and run tests for PyPTO project. An agent skill from hw-native-sys/pypto.
126 GitHub stars~1.1k tokensUpdated 8 days ago
Testing & QAAuto-check passed
Review Op Test Coverage
CVCUDA/CV-CUDA
Review a CV-CUDA operator's test coverage, including C++ correctness, required cross-layout parity, correctness rigor, and the Python API surface.
2.7k GitHub stars~264 tokensUpdated 21 days ago
Testing & QAAuto-check passed
Interval Guided Regression Test Update
ArabelaTso/Skills-4-SE
Automatically updates regression tests based on interval analysis to maintain coverage of key program intervals.
253 GitHub stars~2.7k tokensUpdated 1 mo ago
Testing & QAAuto-check passed
Experimental Code Coverage Config Validator
nwjs/chromium.src
Validates Chromium generated builder configurations (gn-args.json) for code coverage correctness based on language context.
160 GitHub stars~1.1k tokensUpdated 4 days ago
Testing & QAAuto-check passed
Test Writing Workflow
iOfficeAI/AionUi
Sets the test-writing workflow for the repository: risk-first scenario lists, behavior-focused Vitest tests, a full run before each commit and a coverage target.
33k GitHub starsUsed in 1 repo~1.2k tokens
Testing & QAAuto-check passed

Questions about Coverage

What does Coverage do?

以 ENABLETESTCOVERAGE=ON 构建、运行测试并生成 lcov 代码覆盖率报告, 复现 CI 的 coverage 流水线。用户要求"跑覆盖率"、"生成 coverage 报告"、查某模块覆盖情况时使用。. Coverage is an agent skill from thun-res/vlink.

When should I use Coverage?

Coverage fits situations like: tasks that involve Test coverage.

How do I install Coverage in Claude Code?

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

How do I install Coverage in Codex?

Run `npx skills add thun-res/vlink --skill coverage -a codex`. Or copy the skill folder (.agents/skills/coverage in thun-res/vlink) into .agents/skills/coverage in your project. Codex loads it when a task matches its description.

Can I use Coverage 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 thun-res/vlink --skill coverage -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/coverage, .gemini/skills/coverage, .github/skills/coverage and .opencode/skills/coverage in your project.

What does Coverage need to run?

Going by SKILL.md and its folder, Coverage needs the command-line tools its instructions call (cmake, git and bash).

Does Coverage access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Coverage 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 Coverage use?

Coverage is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Coverage use?

About 913 tokens (SKILL.md is roughly 3.7k 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 Coverage?

Skills that share tags, products or a category with Coverage: OpenROAD Module Test Adder (The-OpenROAD-Project/OpenROAD, 3.2k stars), Testing (hw-native-sys/pypto, 126 stars), Review Op Test Coverage (CVCUDA/CV-CUDA, 2.7k stars) and Interval Guided Regression Test Update (ArabelaTso/Skills-4-SE, 253 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Coverage?

thun-res (a GitHub user) maintains it in thun-res/vlink, which has 115 GitHub stars. The repository holds 16 skills in this directory. The repository was last updated on October 7, 2026.

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

Coverage

Install Coverage

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

代码覆盖率

1. 执行

2. 结果处理

Files

Compare with similar skills

Similar skills

OpenROAD Module Test Adder

Testing

Review Op Test Coverage

Interval Guided Regression Test Update

Experimental Code Coverage Config Validator

Test Writing Workflow

More from thun-res/vlink

Issue

Asan

Bench

Cicd

Clang Tidy

Commit

Questions about Coverage

Install Coverage

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

代码覆盖率

1. 执行

2. 结果处理

Files

Compare with similar skills

Similar skills

More from thun-res/vlink

Related

Questions about Coverage