go-test-quality agent skill by eduardo-sl

At a glance

Before you install

Read from the skill's files at the directory's October 19, 2026 snapshot: what ships with it, what its code reads, and the terms it is published under.

• Bundled scripts: none.
• Tool permissions requested: Read Edit Write Glob Grep Bash(go:*) Bash(gofmt:*) (the allowed-tools field of SKILL.md).
• License: MIT, an open-source or open-content license.

Install go-test-quality

The skills CLI works with Claude Code, Codex, Cursor and other agents; the other routes copy the folder by hand.

npx skills add 'https://github.com/eduardo-sl/go-agent-skills/tree/main/skills/(testing)/go-test-quality'

tmp="$(mktemp -d)"
git clone --depth 1 https://github.com/eduardo-sl/go-agent-skills.git "$tmp/repo"
mkdir -p .claude/skills
cp -R "$tmp/repo/"'skills/(testing)/go-test-quality' .claude/skills/
rm -rf "$tmp"

python3 ~/.codex/skills/.system/skill-installer/scripts/install-skill-from-github.py \
    --repo eduardo-sl/go-agent-skills \
    --path 'skills/(testing)/go-test-quality'

eduardo-sl/go-agent-skills is third-party code. Read SKILL.md and any bundled scripts before you install it.

How the author describes it

Go testing patterns for production-grade code: subtests, test helpers, fixtures, golden files, httptest, testcontainers, fuzz testing, and testing/synctest. Covers mocking strategies, test isolation, coverage analysis, and test design philosophy. Use when writing tests, improving coverage, reviewing test quality, setting up test infrastructure, or choosing a testing approach. Trigger examples: "add tests", "improve coverage", "write tests for this", "test helpers", "mock this dependency", "integration test", "fuzz test", "flaky test", "synctest", "goroutine leak in tests". Not for: benchmarking methodology (go-performance-review), security testing (go-security-audit), table-driven patterns (go-test-table-driven).

From the description field of SKILL.md. Agents read this line to decide when to load the skill.

Compatibility, from SKILL.md

Sections in SKILL.md

• 1. Test Design Philosophy
• Test behavior, not implementation
• One assertion per logical concept
• Name tests like bug reports
• Layout
• 2. Subtests for Organized Scenarios
• 3. Test Helper Rules
• 4. Choosing the Test Type
• 5. Mocking Rules
• 6. Parallelism and Coverage
• 7. Testing Concurrent Code
• 8. Test Context, Benchmarks, and Artifacts
• 9. Assertion Library Traps
• Anti-Patterns
• Verification Checklist

Files in the skill folder

• SKILL.md
• references/concurrency-and-benchmarks.md
• references/helpers-and-fixtures.md
• references/integration-testing.md

Suede Skill Check: 93/100 · A

go-test-quality passes the required frontmatter check and all seven graded checks, which cover the SKILL.md format, a declared license and a commit in the last year. Those checks earn 56 of the score’s points; the rest come from description quality, instruction depth, bundled files, maintenance and curated-list citations. How the score works.

Where this skill is cited

eduardo-sl/go-agent-skills appears in 3 curated lists: BehiSecc/awesome-claude-skills, VoltAgent/awesome-agent-skills, heilcheng/awesome-agent-skills.

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