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https://fieldbook.tech/feed.xml155 reviewed skills
.NET MAUI Data Binding
by .NET Platform
Implement type-safe .NET MAUI bindings, change notification, converters, and MVVM data flow.
Address GitHub comments
by OpenAI
Finds review threads on the current branch's pull request and applies the selected fixes.
Agent ready
by Matthew Blode
Implements machine-readable discovery and documentation fixes from agent-readiness evidence.
Agentic Actions Auditor
by Trail of Bits
Audits action-taking agents for unsafe execution, authority, and data-flow risks.
AI regression testing
by Affaan Mustafa
Adds targeted regression tests for recurring blind spots in AI-assisted code changes.
Antfu
by Anthony Fu
Apply Anthony Fu's TypeScript conventions, pnpm tooling, linting, monorepos, and publishing setup.
API and interface design
by Addy Osmani
Contract-first guidance for APIs and module boundaries: errors, validation and versioning.
API test suite builder
by Alireza Rezvani
Scans API routes and generates contract-focused tests for auth, validation, and failure paths.
ASP.NET Core Web API
by .NET Platform
Builds ASP.NET Core API endpoints with typed DTOs, OpenAPI, and Problem Details.
Audit context building
by Trail of Bits
Maps what each function assumes, guarantees and depends on before a security review.
Azure cloud migration
by Microsoft
Assesses and converts supported AWS, Google Cloud, Heroku, Kubernetes, and Spring workloads for Azure.
Azure Diagnostics
by Microsoft
Triages Azure production failures with health, logs, metrics, AppLens, and KQL.
Azure Kubernetes Service
by Microsoft
Plans, provisions, and configures production-ready Azure Kubernetes Service clusters.
Azure quotas
by Microsoft
Checks Azure quota usage, compares regional capacity, and requests limit increases.
Azure Reliability
by Microsoft
Assesses and remediates reliability gaps in Azure Functions and App Service.
Azure Storage Services
by Microsoft
Works with Azure blobs, files, queues, tables, Data Lake, tiers, and redundancy.
Azure Verified Modules
by HashiCorp
Develops and reviews Azure Terraform modules against AVM certification rules.
Blazor components
by .NET Platform
Shapes Blazor parameters, callbacks, rendering and async cleanup without JavaScript interop.
Bloc
by Ivanna
Implement and test Flutter state management with Cubit, Bloc, repositories, and bloc widgets.
Brainstorming
by Jesse Vincent
Agrees intent, requirements and a design with you before any code is written.
Browser testing with DevTools
by Addy Osmani
Debugs in a real browser: DOM, console, network requests and performance traces.
C# Refactoring
by .NET Platform
Performs binding-aware C# refactors while preserving behavior and public contracts.
Chaos Engineer
by Jeff Smolinski
Designs controlled resilience experiments and recovery checks for distributed systems.
CI Speedup
by Matthew Blode
Measures CI critical paths and shortens them with evidence-backed pipeline changes.
CI/CD and automation
by Addy Osmani
Sets up CI quality gates and deployment strategies in GitHub Actions.
Claude API
by Anthropic
Builds Claude API and Managed Agent integrations with current SDK and tool-use patterns.
Code improver
by Trail of Bits
Runs a scoped reviewer-and-fixer loop until blocking findings clear or convergence fails.
Code review
by Matt Pocock
Reviews a diff twice in parallel: against your repo's standards and against the spec.
Code review
by Sentry
Sentry's engineering review checklist, with concrete patterns to flag.
Code review and quality
by Addy Osmani
A five-axis review: correctness, readability, architecture, security and performance.
Code reviewer
by Jeff Smolinski
Produces a prioritized review of correctness, security, performance, architecture, and tests.
Code simplification
by Addy Osmani
Simplifies working code for clarity without changing what it does.
CodeQL
by Trail of Bits
Runs and interprets CodeQL static analysis for security-focused code review.
Commit
by Sentry
Prepares focused commits with staged-diff checks and meaningful messages.
Context engineering
by Addy Osmani
Sets up rules files and project context so agent quality holds across sessions.
Convex
by Convex
Routes Convex backend work to current capability-specific skills and served procedures.
Create Branch
by Sentry
Creates a conventionally named Git branch for a scoped change.
D1 Drizzle Schema
by Jeremy Dawes
Generates D1-safe Drizzle schemas, migrations, types, and schema documentation.
Debugging and error recovery
by Addy Osmani
A triage checklist: reproduce, localise, fix, then guard against the regression.
Debugging wizard
by Jeff Smolinski
Reproduces, isolates, and proves a bug's root cause before fixing and preventing recurrence.
Deprecation and migration
by Addy Osmani
Plans staged deprecation and zero-downtime migrations from replacement through safe removal.
DevOps Engineer
by Jeff Smolinski
Builds and maintains CI, deployment, infrastructure, and operational automation.
Diagnose CI failures
by Warp
Pulls a pull request's CI logs with the GitHub CLI and plans the fixes.
Diagnosing bugs
by Matt Pocock
Builds a fast failing feedback loop first, then narrows to the cause.
Dispatching parallel agents
by Jesse Vincent
Splits independent problems across parallel subagents and merges the results.
Django Performance Review
by Sentry
Finds only validated Django ORM and request-path performance problems.
Documentation and ADRs
by Addy Osmani
Records architecture decisions and the reasoning future engineers and agents will need.
Domain modeling
by Matt Pocock
Builds a shared glossary for your codebase and records decisions as they come up.
Durable Objects
by Cloudflare
Build and review Cloudflare Durable Objects for persistent state, coordination, and WebSockets.
ECS Build
by AWS Samples
Builds apply-ready Terraform for ECS clusters, services, networking, and scaling.
ECS Modernize
by AWS Samples
Assess legacy apps and carry an approved replatform or rearchitecture onto Amazon ECS.
ECS Observability
by AWS Samples
Design ECS logging, metrics, tracing, alerting, and live-debug access by launch type.
EKS Best Practices
by AWS Samples
Choose EKS compute, networking, security, scaling, resilience, and hybrid deployment patterns.
EKS Build
by AWS Samples
Generate deployable EKS Terraform projects with optional ArgoCD and Kubernetes-native AWS control.
End-to-end testing
by Affaan Mustafa
Structures Playwright end-to-end suites with page objects, CI artifacts, and flake controls.
Expo Module
by Expo
Scaffolds and implements Expo native modules and views for Apple, Android, and web.
Expo Router
by Expo
Build file-based Expo navigation with routes, native stacks, tabs, sheets, headers, and search.
Expo UI
by Expo
Build native Expo interfaces with universal or platform-specific SwiftUI and Compose components.
FastAPI
by FastAPI
Writes current FastAPI routes, models, dependencies, streaming, and frontend serving code.
Finishing a development branch
by Jesse Vincent
Finishes a Git branch through verified tests, integration choice, and guarded cleanup.
Firebase Firestore
by Firebase
Provision and integrate Cloud Firestore databases, models, indexes, queries, and SDKs.
Firebase Remote Config Basics
by Firebase
Manage Firebase Remote Config templates, flags, SDK loading, versions, and deployments.
Firestore Security Rules Creation
by Firebase
Authors and hardens Firestore rules from the app's data model and query patterns.
gcloud CLI
by Google
Validates and executes tightly scoped gcloud commands with destructive-action guardrails.
Git guardrails for Claude Code
by Matt Pocock
Installs Claude Code hooks that block destructive git commands before they run.
Git workflow and versioning
by Addy Osmani
Atomic commits, clear messages and a clean branch strategy.
GitHub Actions security review
by Sentry
Traces exploitable GitHub Actions workflow paths instead of flagging generic CI patterns.
GitHub CI Fix
by OpenAI
Investigates failed GitHub Actions checks and prepares a focused fix.
GKE Basics
by Google
Choose, provision, authenticate, and deploy workloads to GKE Autopilot or Standard clusters.
Go Concurrency Patterns
by Seth Hobson
Design safe Go concurrency with goroutines, channels, synchronization, context, and shutdown.
Grilling
by Matt Pocock
Interviews you round by round until a plan or decision has no loose ends.
Improve codebase architecture
by Matt Pocock
Finds modules worth deepening, shows them as an HTML report, then grills one with you.
Incremental implementation
by Addy Osmani
Lands a change in thin, verifiable slices instead of one large diff.
Iterate pull request
by Sentry
Repairs an open pull request until actionable CI and high- or medium-priority feedback clear.
Java to Kotlin Conversion
by Kotlin
Converts Java files to idiomatic Kotlin with framework-aware compatibility checks.
Kotlin JPA Entity Mapping
by Kotlin
Models Kotlin JPA entities with safe identity, relationships, indexes, and fetch plans.
Kotlin Toolchain
by Kotlin
Build and configure Kotlin or Java projects with JetBrains' YAML-based Kotlin Toolchain.
Kotlin/Native Build Performance
by Kotlin
Measure and reduce slow Kotlin/Native iOS compilation, linking, generation, and CI setup.
MCP builder
by Anthropic
A phased guide to building good MCP servers in Python or TypeScript, with evaluations.
MCP Developer
by Jeff Smolinski
Builds Model Context Protocol servers with tool, resource, and transport design guidance.
MCP Server Patterns
by Affaan Mustafa
Applies reusable design patterns for robust, secure MCP server implementations.
MongoDB Query Optimizer
by MongoDB
Diagnoses slow MongoDB queries and recommends high-impact index and query changes.
MongoDB Schema Design
by MongoDB
Design and diagnose MongoDB schemas around real access patterns, growth, and index costs.
Mutation testing
by Trail of Bits
Configures mewt or muton campaigns and interprets surviving mutations as test gaps or equivalents.
MySQL
by PlanetScale
Designs and tunes MySQL schemas, indexes, queries, transactions, and operations.
Neon Object Storage
by Neon
Provisions branch-aware S3-compatible storage and wires upload and download flows.
Neon Postgres
by Neon
Operate Neon Postgres connections, branches, migrations, diagnostics, scaling, and search.
Neon Postgres Branches
by Neon
Creates normal or schema-only Neon branches for safe development and migration tests.
Neon Postgres Egress Optimizer
by Neon
Find and fix query patterns that drive excessive Postgres network transfer and Neon cost.
Next.js Development Loop
by Vercel
Verifies Next.js edits through framework diagnostics and a real browser session.
Nuxt
by Anthony Fu
Reference guide for Nuxt 4 structure, routing, rendering, data, modules, and deployment.
Performance optimization
by Addy Osmani
Measure, find the bottleneck, fix it, and guard against regressions.
Planning and task breakdown
by Addy Osmani
Breaks a spec into small, ordered tasks with checkpoints between them.
Playwright
by OpenAI
Drives real browser flows from the terminal with snapshot-based Playwright CLI commands.
Post-patch validation
by Trail of Bits
Validates a security patch with pinned baseline, exploit, variant, behavior, and regression evidence.
Postgres best practices
by Supabase
Schema, index, migration and row-level security guidance for any Postgres, from Supabase.
PR creator
by Matthew Blode
Prepares GitHub pull requests using repository templates and reviewer-focused descriptions.
PR review expert
by Alireza Rezvani
Reviews pull requests for blast radius, security, breaking changes, coverage, and performance.
Prisma CLI
by Prisma
Guides Prisma ORM setup, generation, migrations, database operations, and MCP use.
Prisma Database Setup
by Prisma
Configure Prisma schemas, datasource URLs, driver adapters, and generated clients by database.
React Patterns
by Jeremy Dawes
Review React 19, Vite, and Cloudflare code for performance and composition problems.
Receiving code review
by Jesse Vincent
Handles review feedback with verification instead of automatic agreement.
Redis Core
by Redis
Guides Redis data-structure selection and consistent colon-separated key design.
Redis Search
by Redis
Design Redis Search indexes and lexical, vector, hybrid, aggregate, and RAG queries.
Requesting code review
by Jesse Vincent
Sends finished work to a reviewer subagent before merging.
Resolving merge conflicts
by Matt Pocock
Resolves an in-progress merge or rebase by recovering each side's intent.
Ruby test frameworks
by Stan Lo
Distinguishes Minitest and test-unit assertions, hooks, filters, skips, and Rails behavior.
Rust Async Patterns
by Seth Hobson
Reference patterns for reliable async Rust with Tokio, tasks, channels, and cancellation.
Scaffold CLI
by Matthew Blode
Scaffolds a publishable TypeScript CLI with pinned build, test, lint, CI, and release contracts.
Secrets management
by Seth Hobson
Guides secure credential storage, rotation and use in CI/CD environments.
Secure Code Guardian
by Jeff Smolinski
Reviews and strengthens application code against common security weaknesses.
Secure Launch
by Aarav Kashyap
A security checklist shaped to your project before it goes live, with approved fixes checked one by one.
Security and hardening
by Addy Osmani
Threat model first, then hardening across input, auth, sessions and headers.
Security best practices
by OpenAI
Applies language and framework security guidance when a security review is explicitly requested.
Security Ownership Map
by OpenAI
Maps repository security ownership, sensitive-code concentration, and maintenance risk.
Security review
by Affaan Mustafa
Checks application code against a practical security checklist before production work.
Security review
by Sentry
Reviews code for confirmed security weaknesses with data-flow and framework context.
Security threat model
by OpenAI
Writes a threat model grounded in your repo: trust boundaries, assets and abuse paths.
Set up pre-commit
by Matt Pocock
Adds Husky, lint-staged, type checks and tests as a pre-commit hook.
Shipping and launch
by Addy Osmani
A pre-launch checklist with feature flags, staged rollout and a rollback plan.
Skill creator
by Anthropic
Creates, tests and tunes skills, including evals and trigger checks.
Skill tester
by Alireza Rezvani
Validates skill structure, exercises Python helpers, and scores quality against a target gate.
Spec to repo
by Alireza Rezvani
Converts a natural-language app brief into a validated, runnable starter repository.
Spec-driven workflow
by Alireza Rezvani
Turns requirements into an approved, traceable spec, tests, and scope-controlled implementation.
SQL Optimization Patterns
by Seth Hobson
Improves SQL query shapes, indexes, execution plans, and database access patterns.
STRIDE threat modelling
by Alireza Rezvani
Builds STRIDE threat models, scores risk with DREAD, scans secrets, and routes specialist work.
Subagent-driven development
by Jesse Vincent
Executes implementation plans with fresh agents, per-task reviews, and a durable progress ledger.
Supply-chain risk auditor
by Trail of Bits
Measures dependency and lockfile supply-chain risk for npm, PyPI and Go projects.
Svelte Code Writer
by Svelte
Looks up current Svelte docs and analyzes components with the official MCP CLI.
SwiftUI Expert Skill
by Antoine van der Lee
Write, review, refactor, and profile SwiftUI across data flow, layout, performance, and APIs.
Systematic debugging
by Jesse Vincent
Root cause before fixes, in four phases with clear stop signs.
Task Coordination Strategies
by Seth Hobson
Coordinates multiple agents through task decomposition, ownership, and communication patterns.
TDD
by Matt Pocock
A red-green loop with firm rules on what makes a test worth keeping.
TDD workflow
by Affaan Mustafa
Runs a test-first development loop across unit, integration, and browser coverage.
Terraform Policy
by HashiCorp
Routes Terraform Policy authoring, Sentinel conversion, and policy-test debugging.
Terraform Skill
by AWS Samples
Diagnose and improve Terraform or OpenTofu modules, tests, CI, state, and migrations.
Terraform Stacks
by HashiCorp
Creates and operates Terraform Stacks across environments, regions, and accounts.
Test-driven development
by Jesse Vincent
Strict test-first discipline: watch it fail, make it pass, then refactor.
Tidy
by Matthew Blode
Reviews a diff with evidence-ranked findings and can apply bounded fixes and simplifications.
To spec
by Matt Pocock
Turns the conversation so far into a written spec and files it in your issue tracker.
Turborepo Caching
by Seth Hobson
Configures Turborepo task caching and explains cache misses in monorepos.
Using git worktrees
by Jesse Vincent
Creates an isolated worktree for feature work and sets the project up inside it.
Verification before completion
by Jesse Vincent
No claim of done until the checks have run and the output has been read.
Verification loop
by Affaan Mustafa
Runs build, type, lint, test, security, and diff gates before a change is called complete.
Vite
by Anthony Fu
Configure Vite builds, plugins, SSR, multi-environment APIs, and Vite 8 Rolldown migration.
Vue
by Anthony Fu
Write Vue 3.5 components with typed script setup, reactivity, lifecycle, and built-ins.
Web app testing
by Anthropic
Tests local web apps with Playwright scripts: screenshots, logs and UI checks.
Web performance
by Cloudflare
Audits Core Web Vitals from a real performance trace, then maps fixes to your code.
Workers Best Practices
by Cloudflare
Write and review production Cloudflare Workers against current runtime and configuration behavior.
Wrangler
by Cloudflare
Configure and run Wrangler for local Workers development, previews, deployment, and resources.
Writing plans
by Jesse Vincent
Turns a spec into a step-by-step plan with exact files, tests and checks.
Yeet
by OpenAI
Guides a controlled GitHub pull-request publishing workflow from a finished branch.
Advise Project Approach
by Aarav Kashyap
Make project decisions with evidence, clear tradeoffs, and a plan you can act on.
Efficiency Skill
by Aarav Kashyap
Keep the main model in charge. Delegate bounded work when the handoff is worth it.
Lean Engineering
by Aarav Kashyap
Small changes, bounded workers, and real evidence. Give every edit a clear owner.