Chalk Labs
Need help deploying test-and-validate?
Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/derricka-lau-test-and-validate
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Use cases: testing
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/test-and-validate
What's inside
- Skill name
test-and-validate- Description
- Run the strongest relevant validation sequence. Use when changes need a repeatable format, lint, type-check, test, and build order.
- License
- MIT
- Instructions
- 8 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Test And Validate Order: targeted failing test or new focused test -> focused re-run after implementation -> format -> lint -> typecheck -> broader tests -> build. Report failures with likely root causes. Report when no automated test could be used and why. Report any checks that could not run.
From derricka-lau/ai-agent-contract, MIT.
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implement-change
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Apply a minimal, correct implementation following the approved plan.
SkillCFreshness: C★ 1Claude Code +9 - 0.462score
test-strategy
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Plan and execute the strongest relevant test strategy for a change.
SkillCFreshness: C★ 1Claude Code +9 - 0.427score
repo-mapper
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Map the relevant parts of the repository before implementation.
SkillDFreshness: D★ 1Claude Code +9 - 0.427score
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Evaluate a change for high-value risks before completion.
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Signals
- Stars
- 1
- Forks
- 0
- Open issues
- 0
- Last commit (this folder)
- May 4, 2026 (6 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Python coding conventions — type hints, testing with pytest, code style.
SkillCFreshness: C★ 1Claude Code +9 - 0.497score
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SkillCFreshness: C★ 1Claude Code +9 - 0.497score
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Done for you
Rather not set it up yourself?
Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
test-and-validate skill. Agent Mart. https://agentmart.dev/skills/derricka-lau-test-and-validate (last updated 2026-10-24)