agent-engineering-handbook

In the author's own words, from each skill's SKILL.md — showing the first 30 of 54 files.

• agent-workflow

  Structured development workflow with Plan/Implement/Review phases, QA validation, context management, and audit requirements. Enforces explicit authorization for remote mutations, risk-based checkpoints, and proportional audit reports. Use when working on complex tasks, multi-file changes, or when the user mentions planning, workflow, implementing features, or needs structured development guidanc…

  skills/agent-workflow/SKILL.md on GitHub (opens in a new tab)

• agents-sdk

  Build AI agents on Cloudflare Workers using the Agents SDK. Load when creating stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, chat applications, voice agents, or browser automation. Covers Agent class, state management, callable RPC, Workflows, durable execution, queues, retries, observability, and React hooks. Biases towards retrieval from Cloudflare…

  skills/agents-sdk/SKILL.md on GitHub (opens in a new tab)

• api-design

  Designs and reviews production APIs across REST/HTTP, OpenAPI, GraphQL, gRPC, webhooks, asynchronous operations, batch endpoints, SSE, and WebSockets. Use when defining resources, routes, methods, status codes, problem details, pagination, idempotency, conditional writes, API schemas, compatibility, deprecation, authentication, authorization, rate limits, or protocol contracts.

  skills/api-design/SKILL.md on GitHub (opens in a new tab)

• aws-iam

  AWS IAM deep-dive skill - principal types, policy evaluation, STS assume role, SCP guardrails, KMS key policies/grants, and AccessDenied debugging. Use when designing AWS authz/authn, cross-account access, or troubleshooting IAM/KMS/SCP AccessDenied errors.

  skills/aws-iam/SKILL.md on GitHub (opens in a new tab)

• bash-shell-scripting

  Bash scripting best practices for production-grade scripts, CLI tools, and Makefiles. Covers strict mode, error handling, portability, performance patterns, and argument parsing. Use when working with .sh files, Makefiles, shell scripts, or when asking about Bash, shell scripting, CLI design, or command-line tools.

  skills/bash-shell-scripting/SKILL.md on GitHub (opens in a new tab)

• cicd-github-actions

  GitHub Actions best practices for CI/CD workflows. Covers security (permissions, secrets), performance (caching, matrix builds), reusable workflows, and common patterns for testing, building, and deploying. Use when working with .github/workflows/*.yml files, GitHub Actions, or when asking about CI/CD pipelines and automation.

  skills/cicd-github-actions/SKILL.md on GitHub (opens in a new tab)

• cloud-platforms

  Cloud platform best practices for AWS, Azure, GCP, and Cloudflare. Covers Zero Trust architecture, IAM patterns, EKS/AKS/GKE configurations, serverless patterns, and multi-cloud strategies. Use when working with cloud infrastructure, AWS services, Azure resources, GCP projects, Cloudflare Workers, or when asking about cloud architecture and deployment.

  skills/cloud-platforms/SKILL.md on GitHub (opens in a new tab)

• cloudflare-email-service

  Send and receive transactional emails with Cloudflare Email Service (Email Sending + Email Routing). Use when building email sending (Workers binding or REST API), email routing, Agents SDK email handling, or integrating email into any app - Workers, Node.js, Python, Go, etc. Also use for email deliverability, SPF/DKIM/DMARC, wrangler email setup, MCP email tools, or when a coding agent needs to…

  skills/cloudflare-email-service/SKILL.md on GitHub (opens in a new tab)

• cloudflare-waf-author

  Workflow for crafting Cloudflare WAF rules across all three authoring interfaces - Terraform (cloudflare_ruleset), the Cloudflare Dashboard, and the Rulesets API. Covers both Custom Rules (actions like block, managed_challenge, log, skip-as-allow) and Managed-Rule Exceptions (action skip). Forces a docs-first read, peer-rule survey, explicit rule-type branch, and guards-by-type checklist before a…

  skills/cloudflare-waf-author/SKILL.md on GitHub (opens in a new tab)

• cloudflare-workers-author

  Workflow for building production-grade Cloudflare Workers in TypeScript - bootstrap, bindings and storage choice, routing (Hono + RPC via WorkerEntrypoint), testing with @cloudflare/vitest-plugin, gradual deployments, and common pitfalls. Use when adding a new Worker, adding endpoints to an existing Worker, choosing between KV / R2 / D1 / Durable Objects / Hyperdrive, setting up testing, configur…

  skills/cloudflare-workers-author/SKILL.md on GitHub (opens in a new tab)

• cloudflare

  Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), feature flags (Flagship), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

  skills/cloudflare/SKILL.md on GitHub (opens in a new tab)

• codebase-security-audit

  End-to-end codebase security audit using the practical eight-layer model - secrets scanning (regex + entropy), SAST (with taint analysis), SCA (deps + license), data-flow / taint, semantic / code-property-graph, IaC, custom rules, and DAST validation. Produces a severity-ranked remediation plan, .env templates, and a ready-to-use CI/CD continuous-scanning workflow. Covers OWASP Top 10 (2021) A01-…

  skills/codebase-security-audit/SKILL.md on GitHub (opens in a new tab)

• containers-orchestration

  Docker and container best practices for production images, multi-stage builds, cache reuse, Docker Compose, health checks, scanning, publishing, and signing. Use when working with Dockerfiles, Containerfiles, Compose files, .dockerignore, image optimization, container security, docker push, Cosign, or Notation.

  skills/containers-orchestration/SKILL.md on GitHub (opens in a new tab)

• core-engineering

  Core coding standards and best practices for code review and generation. Provides KISS and measurable clean-code outcomes, guiding principles (DRY, YAGNI, SOLID), priority frameworks, tooling baselines, dependency management, and response formats. Use when reviewing code, generating code, asking about coding standards, or when the user needs general engineering guidance that applies across all la…

  skills/core-engineering/SKILL.md on GitHub (opens in a new tab)

• data-engineering

  Data engineering workflows for designing and reviewing batch/streaming pipelines across Databricks, Snowflake, Confluent Kafka, and Teradata (contracts, backfills, quality, governance, cost, observability). Use when the user mentions data engineering, ETL/ELT, lakehouse/warehouse, Kafka, Databricks, Snowflake, or Teradata.

  skills/data-engineering/SKILL.md on GitHub (opens in a new tab)

• database-postgresql

  PostgreSQL database design patterns, naming conventions, schema design, migrations, performance optimization, and security best practices. Use when designing database schemas, writing migrations, optimizing queries, or working with PostgreSQL-specific features like JSONB, full-text search, or RLS.

  skills/database-postgresql/SKILL.md on GitHub (opens in a new tab)

• databricks

  Databricks playbook. Workflows for workspace bootstrap, Unity Catalog migration, Lakeflow Spark Declarative Pipelines (formerly Delta Live Tables / DLT), Declarative Automation Bundles (formerly Databricks Asset Bundles), cluster policies/access modes, serverless SQL and jobs, Photon and cost tuning, governance audit, Mosaic AI/MLflow, and recovery via Delta time travel. Use when designing, opera…

  skills/databricks/SKILL.md on GitHub (opens in a new tab)

• distributed-transactions

  Designs and reviews cross-service consistency using Transactional Outbox/Inbox, Saga orchestration, Saga choreography, compensating actions, idempotency, and eventual consistency. Use when the user mentions outbox, inbox, saga, orchestration, choreography, compensation, distributed transaction, dual write, CDC relay, duplicate delivery, or cross-service workflow consistency.

  skills/distributed-transactions/SKILL.md on GitHub (opens in a new tab)

• documentation-standards

  Documentation best practices including Markdown formatting, generated PNG diagrams, technical writing, ADRs, Docusaurus and MDX documentation sites, and open source standards. Use when writing documentation, README files, Markdown or MDX content, creating static diagrams for Markdown, configuring Docusaurus, or asking about documentation structure, technical writing, or open source project setup.…

  skills/documentation-standards/SKILL.md on GitHub (opens in a new tab)

• domain-driven-design

  Designs and reviews software domain models using Domain-Driven Design, including subdomains, bounded contexts, context maps, ubiquitous language, aggregates, value objects, domain events, repositories, and anti-corruption layers. Use when business rules are complex, service or module boundaries are unclear, teams disagree on terminology, or the user mentions DDD, bounded contexts, aggregates, or…

  skills/domain-driven-design/SKILL.md on GitHub (opens in a new tab)

• durable-objects

  Create and review Cloudflare Durable Objects. Use when building stateful coordination (chat rooms, multiplayer games, booking systems), implementing RPC methods, SQLite storage, alarms, WebSockets, or reviewing DO code for best practices. Covers Workers integration, wrangler config, and testing with Vitest. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

  skills/durable-objects/SKILL.md on GitHub (opens in a new tab)

• frontend-engineering

  Framework-agnostic frontend architecture playbook. Workflows for picking rendering (SSG / SSR / SPA / ISR), setting bundle budgets, choosing state management (local / server / global), Core Web Vitals tracking + INP debugging, accessibility floor enforcement, testing pyramid, and supply-chain security. Use when designing a new frontend project, auditing an existing one, picking between React / Vu…

  skills/frontend-engineering/SKILL.md on GitHub (opens in a new tab)

• git-workflow

  Safe Git workflows for commits, branches, worktrees, recovery, signing, and remote synchronization. Use when creating or reviewing commits, branching, pushing, rebasing, restoring files, resolving divergence, using worktrees, or asking how Git behaves.

  skills/git-workflow/SKILL.md on GitHub (opens in a new tab)

• go-rust-systems

  Go and Rust systems programming best practices for performance-critical, concurrent, and safe applications. Covers error handling, ownership/borrowing (Rust), context and goroutines (Go), testing patterns, and production deployment. Use when working with .go, .rs files, Cargo.toml, go.mod, or when asking about Go or Rust development.

  skills/go-rust-systems/SKILL.md on GitHub (opens in a new tab)

• iam-security-advisor

  Principal-level IAM and security architecture advisor for identity protocols, IGA, PKI, PAM, secrets delivery, delegated access, and non-human identity. Use for architecture decisions, protocol deep dives, design reviews, threat models, or mentoring involving OAuth, OIDC, SAML, SCIM, mTLS, certificates, workload identity, Cross App Access, XAA, ID-JAG, agent-on-behalf-of-user flows, or privileged…

  skills/iam-security-advisor/SKILL.md on GitHub (opens in a new tab)

• independent-verification

  Independent, read-only verification workflow for consequential AI-generated changes. Use when security, IAM, production infrastructure, destructive migrations, broad architecture, sensitive data, financial logic, or explicit assurance requirements need a verifier distinct from the implementing model or tool. Binds verdicts to an immutable commit and diff hash, requires deterministic evidence firs…

  skills/independent-verification/SKILL.md on GitHub (opens in a new tab)

• infrastructure-iac

  Infrastructure as Code best practices for Terraform, Docker, Ansible, and CloudFormation. Covers secure-by-default configurations, multi-stage builds, state management, and modular patterns. Use when working with .tf, Dockerfile, docker-compose.yml, .yaml/.yml Ansible files, CloudFormation templates, or when asking about IaC, containers, or infrastructure automation.

  skills/infrastructure-iac/SKILL.md on GitHub (opens in a new tab)

• kubernetes-containers

  Kubernetes, Helm, and Argo CD best practices for container orchestration. Covers deployments, services, RBAC, resource management, Helm charts, GitOps synchronization, Podtrace runtime debugging, and production patterns. Use when working with Kubernetes manifests, Helm charts, Argo CD sync policies, kubectl commands, Podtrace, or when asking about container orchestration, pod configuration, GitOp…

  skills/kubernetes-containers/SKILL.md on GitHub (opens in a new tab)

• kubernetes-operator-development

  Designs, implements, reviews, tests, and operates Kubernetes operators and controllers in Go with Kubebuilder and controller-runtime. Use when defining CRDs, reconciliation loops, status conditions, finalizers, admission webhooks, external-provider controllers, operator upgrades, envtest suites, or controller-runtime cache, retry, and concurrency behavior.

  skills/kubernetes-operator-development/SKILL.md on GitHub (opens in a new tab)

• mcp-development

  Model Context Protocol (MCP) server development and AI/ML integration patterns. Covers MCP server implementation, tool design, resource handling, and LLM integration best practices. Use when developing MCP servers, creating AI tools, integrating with LLMs, or when asking about MCP protocol, prompt engineering, or AI system architecture.

  skills/mcp-development/SKILL.md on GitHub (opens in a new tab)

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