AGENT SKILLS DIRECTORY

Code Review & Testing Agent Skills

Find Skills that help inspect changes, design tests, challenge assumptions, and verify software work before it ships.

33
indexed Skills
20
Top 100 entries
3
native Agent signals

JOBS TO BE DONE

Start with the outcome

  1. 01Review code and architecture decisions
  2. 02Generate and maintain focused tests
  3. 03Add evidence to development handoffs

SELECTION CHECKS

Reduce the decision before install

  1. 01Confirm which files and commands the Skill may access.
  2. 02Separate review guidance from tools that can modify code.
  3. 03Run the first test in a disposable branch or workspace.

THE COMPLETE CATEGORY

Code review & testing

Ordered by SkillSignal's published metadata signals. A score is not a security certification—open the full profile before installing.

0196

frontend-design

Design constraints that push generated interfaces beyond generic AI UI.

Main limitation
Aesthetic judgments remain subjective and still need stakeholder review.
First risk
Style over function · Medium
Source
Pinned · 0a64e398
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0294

web-design-guidelines

Review interfaces against practical web design and accessibility rules.

Main limitation
It depends on network access and a live guideline document whose contents can change over time.
First risk
Rule drift or context-free findings · Medium
Source
Pinned · b8caa260
Open full profile
0394

mcp-builder

Plan, implement, and evaluate high-quality MCP servers in Python or TypeScript.

Main limitation
The guide cannot replace current MCP SDK or target-API documentation.
First risk
Overpowered external-service tools · High
Source
Pinned · 0a64e398
Open full profile
0494

skill-creator

Create, improve, and benchmark Agent Skills with trigger tests and comparative evaluation.

Main limitation
Meaningful benchmarks require representative prompts, repeat runs, and careful human judgment.
First risk
Untrusted evaluation prompts and artifacts · High
Source
Pinned · 0a64e398
Open full profile
0593

grill-me

Relentless decision interviews for sharper plans and designs.

Main limitation
A relentless interview can be tiring and disproportionate for small, reversible decisions.
First risk
Decision fatigue · Low
Source
Pinned · 885e2ca4
Open full profile
0693

codeql

Interprocedural security analysis with explicit database-quality and query-suite gates.

Main limitation
Requires CodeQL, jq, uv, a buildable target, and potentially long database construction.
First risk
Build and scan side effects · High
Source
Pinned · 9b281335
Open full profile
0793

semgrep

Approval-gated Semgrep security scans with telemetry disabled and auditable SARIF output.

Main limitation
Requires Semgrep and network access for registry or third-party rules; Pro-only cross-file analysis may be unavailable.
First risk
Third-party rules and source exposure · High
Source
Pinned · 9b281335
Open full profile
0893

differential-review

Risk-first security review for diffs, commits, and pull requests with blast-radius analysis.

Main limitation
Not intended for greenfield code or broad initial vulnerability discovery.
First risk
False assurance from incomplete context · High
Source
Pinned · 9b281335
Open full profile
0993

autoresearch

Autonomous, metric-driven code experiments that keep improvements and discard regressions.

Main limitation
Only fits tasks with a stable, representative numeric metric.
First risk
Autonomous repository mutation · High
Source
Pinned · 318066d2
Open full profile
1093

anti-ui-slop

Product-specific UI design contracts grounded in real interface evidence and a hard finish gate.

Main limitation
Requires access to the repository and ideally external UIZZE references or user-provided screenshots.
First risk
Copying external interface patterns too literally · Medium
Source
Pinned · 318066d2
Open full profile
1193

bigquery-pipeline-audit

A targeted Python and BigQuery audit for runaway cost, unsafe reruns, scan size, writes, and observability.

Main limitation
Specialized to Python plus BigQuery and does not validate the live project configuration or billing account.
First risk
Audit estimates mistaken for billing guarantees · High
Source
Pinned · 318066d2
Open full profile
1292

variant-analysis

Systematic hunts for other instances of a known bug or vulnerability root cause.

Main limitation
Requires one validated bug in hand; it is not an initial discovery workflow.
First risk
Overbroad automated matches · Medium
Source
Pinned · 9b281335
Open full profile
1392

web-design-reviewer

Browser-based visual review for responsive, accessible, consistent web interfaces with source-level fixes.

Main limitation
Requires a running target, browser automation, and source access for fixes.
First risk
Unintended changes during remote review · High
Source
Pinned · 318066d2
Open full profile
1492

create-implementation-plan

Machine-readable implementation plans with atomic phases, dependencies, tests, risks, and unique identifiers.

Main limitation
Demanding zero ambiguity can create oversized plans or false precision for exploratory work.
First risk
False certainty from generated detail · Medium
Source
Pinned · 318066d2
Open full profile
1592

create-technical-spike

Time-boxed technical research documents that turn one critical unknown into an evidence-backed decision.

Main limitation
Provides a document structure, not proof that experiments are representative or complete.
First risk
Prototype work affects real systems · High
Source
Pinned · 318066d2
Open full profile
1691

tdd

A practical test-driven development workflow for coding agents.

Main limitation
The workflow needs a functioning test runner and clear public behavior.
First risk
False confidence · Medium
Source
Pinned · 885e2ca4
Open full profile
1791

context-map

A pre-change map of files, dependencies, tests, reference patterns, and implementation risks.

Main limitation
The workflow is intentionally brief and may miss dynamic dependencies or runtime ownership.
First risk
Incomplete map treated as full scope · Medium
Source
Pinned · 318066d2
Open full profile
1890

find-skills

Find Skills is Vercel's discovery workflow for locating and installing reusable Agent Skills.

Main limitation
Discovery quality depends on skills.sh coverage and current network access.
First risk
Unreviewed installation · Medium
Source
Pinned · 435076e7
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1990

vercel-react-best-practices

Vercel React Best Practices is a maintained performance guide for React and Next.js.

Main limitation
Rules need interpretation against the application's React, Next.js, and deployment versions.
First risk
Context-free optimization · Low
Source
Pinned · b8caa260
Open full profile
2086

improve-codebase-architecture

Improve Codebase Architecture explores code for architectural friction and proposes deeper modules with smaller interfaces.

Main limitation
Architecture quality depends on change history and domain context that may be incomplete.
First risk
Premature refactoring · Medium
Source
Pinned · 885e2ca4
Open full profile
2186

setup-matt-pocock-skills

Setup Matt Pocock Skills is a repository configuration scaffold for a family of engineering workflows.

Main limitation
The output is tailored to Matt Pocock's Skill family rather than a universal standard.
First risk
Repository configuration changes · Medium
Source
Pinned · 885e2ca4
Open full profile
2286

handoff

Handoff turns the current conversation into a compact continuation document for a fresh agent.

Main limitation
Compression can omit nuance that mattered in the original conversation.
First risk
Sensitive context leakage · High
Source
Pinned · 885e2ca4
Open full profile
2386

triage

Triage moves project issues through a small, configured state machine of triage roles.

Main limitation
The workflow requires correctly configured tracker operations and label vocabulary.
First risk
External tracker mutation · High
Source
Pinned · 885e2ca4
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2486

prototype

Prototype creates throwaway code to answer one design or logic question.

Main limitation
Prototype code intentionally omits production hardening, persistence, and broad edge-case coverage.
First risk
Prototype promoted to production · Medium
Source
Pinned · 885e2ca4
Open full profile
2585

teach

Teach turns the current directory into a persistent learning workspace for one topic across many sessions.

Main limitation
It is for a sustained learning project, not a one-off explanation or an instant answer.
First risk
Untrusted teaching sources or unwanted workspace writes · Medium
Source
Pinned · 885e2ca4
Open full profile
2685

grilling

Grilling stress-tests a plan, decision, or idea as a dependency-aware design tree.

Main limitation
It deliberately delays implementation until the decision tree is complete and explicitly confirmed.
First risk
Decision fatigue or recommendation anchoring · Low
Source
Pinned · 885e2ca4
Open full profile
2785

caveman

Caveman is a persistent response-compression mode with lite, full, ultra, and classical-Chinese variants.

Main limitation
Compression can omit nuance, ambiguity, or rationale that mattered in the original conversation.
First risk
Critical nuance hidden by compression · Medium
Source
Pinned · 702da5ce
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2885

domain-modeling

Domain Modeling turns a codebase's ubiquitous language into an actively maintained engineering artifact.

Main limitation
It documents language and decisions; it does not replace implementation design or domain-expert validation.
First risk
Institutionalizing the wrong model · Medium
Source
Pinned · 885e2ca4
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2985

repo-intake-and-plan

Repo Intake and Plan is a README-first helper for research-code repositories.

Main limitation
It does not create environments, download assets, execute commands, perform paper lookup, or write the final report.
First risk
Planning from incomplete repository evidence · Medium
Source
Pinned · 3ab50525
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3085

minimal-run-and-audit

Minimal Run and Audit executes a selected smoke, inference, evaluation, or other short non-training verification for research code.

Main limitation
It does not choose the reproduction target, train a model, conduct broad paper analysis, or hide scientific-meaning changes.
First risk
Scientific changes hidden as setup fixes · High
Source
Pinned · 3ab50525
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3185

env-and-assets-bootstrap

Environment and Assets Bootstrap prepares a conservative, Conda-first environment and asset plan after a research reproduction target is already chosen.

Main limitation
It assumes the target has already been selected and is not a repository-intake or paper-interpretation workflow.
First risk
Untrusted assets or irreproducible dependencies · High
Source
Pinned · 3ab50525
Open full profile
3285

codebase-design

Codebase Design supplies a shared vocabulary for reviewing modules, interfaces, seams, adapters, leverage, locality, and testability.

Main limitation
The vocabulary helps critique design but does not produce a correct architecture automatically.
First risk
Premature abstraction · Medium
Source
Pinned · 885e2ca4
Open full profile
3385

diagnosing-bugs

Diagnosing Bugs is an evidence-first loop for difficult defects and performance regressions.

Main limitation
It requires a repeatable pass/fail signal; intermittent production-only failures may need observability or human evidence first.
First risk
Secrets captured in diagnostic evidence · High
Source
Pinned · 885e2ca4
Open full profile