jeffallan

devops-engineer

Use it when:: You need a pipeline, a container, infrastructure as code or a deployment, or are handling a production incident.
It does:: Works through assess, design, implement, validate, plan rollout, deploy and monitor, running terraform plan and linters before anything ships.

workflow remote none deployment ci infrastructure observability docker kubernetes terraform github

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 11.9K; top 41%
Weekly Downloads: 329; top 50%

architecture-designer

Use it when:: You're designing a new system, choosing between patterns or databases, or reviewing an existing design.
It does:: Gathers functional and non-functional requirements, matches them to patterns, designs with trade-offs stated, then reviews with you.

workflow none none architecture requirements diagrams

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 8.2K; bottom 41%
Weekly Downloads: 202; bottom 40%

embedded-systems

Use it when:: You're writing drivers, interrupt handlers, RTOS tasks or low-power code for a microcontroller.
It does:: Starts from the chip's memory, timing and power limits, designs tasks and interrupts, then writes drivers and application code.

workflow local none implementation performance stm32 esp32 freertos

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 7.1K; bottom 35%
Weekly Downloads: 152; bottom 29%

websocket-engineer

Use it when:: You're building chat, live updates, presence or other server push that must hold up under many connections.
It does:: Sizes connections and message volume, designs pub/sub and failover, builds the server, tests it locally with wscat, then scales.

workflow local cli backend architecture socket-io redis node

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 7.1K; bottom 35%
Weekly Downloads: 142; bottom 26%

code-reviewer

Use it when:: You want a pull request or some code reviewed before merge, or a code quality audit.
It does:: Sums up what the change is for in one sentence, then checks its structure, its security and performance details, and its tests.

workflow none none code-review code-quality security

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 6.9K; bottom 33%
Weekly Downloads: 160; bottom 32%

api-designer

Use it when:: You're designing a new REST API or its contract, before building the server.
It does:: Models resources from your domain, defines endpoints, writes an OpenAPI 3.1 spec, lints it with Redocly, then serves a Prism mock to try the contract.

workflow local cli backend architecture openapi

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 6.8K; bottom 33%
Weekly Downloads: 149; bottom 28%

security-reviewer

Use it when:: You want a security audit of a codebase or its infrastructure, such as a dependency or secrets scan or a compliance check.
It does:: Maps the attack surface, runs code, dependency and secret scanners, reviews auth, input handling and crypto by hand, then rates each finding.

workflow none cli security code-review

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 6.5K; bottom 31%
Weekly Downloads: 181; bottom 36%

database-optimizer

Use it when:: Queries are slow, locks pile up, or a PostgreSQL or MySQL database needs tuning.
It does:: Captures a baseline with EXPLAIN ANALYZE, finds the bottleneck, applies one change at a time, and re-measures after each.

workflow remote none databases performance postgres mysql

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 6.3K; bottom 30%
Weekly Downloads: 128; bottom 24%

code-documenter

Use it when:: Code lacks docstrings or API docs, or you need a documentation site, a getting-started guide or a tutorial.
It does:: Asks your preferred format and what to skip, detects the language and framework, finds undocumented code, documents it, then tests the examples.

workflow local cli docs-writing code-quality

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 6K; bottom 26%
Weekly Downloads: 124; bottom 23%

monitoring-expert

Use it when:: A service needs logs, metrics, traces and alerts, or you're debugging a production issue, load testing, profiling or planning capacity.
It does:: Picks what to measure, instruments the code, configures collection and checks data arrives, builds dashboards, then defines alerts.

workflow local none observability performance testing prometheus grafana opentelemetry k6 node

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.9K; bottom 24%
Weekly Downloads: 158; bottom 31%

fullstack-guardian

Use it when:: A feature spans frontend and backend, such as a form, the API route behind it and its database query.
It does:: Gathers acceptance criteria, designs the frontend, backend and security sides, writes a design doc, runs a security checklist, then builds and tests piece by piece.

workflow local none implementation security backend auth

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.9K; bottom 24%
Weekly Downloads: 134; bottom 25%

prompt-engineer

Use it when:: You're writing a prompt or system prompt for an LLM app, or fixing one whose output is inconsistent.
It does:: Defines success criteria and edge cases, picks a prompting pattern, runs test cases, and iterates one change at a time.

workflow none none agent-development testing

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.9K; bottom 24%
Weekly Downloads: 125; bottom 24%

test-master

Use it when:: You need tests written, a test strategy or plan, coverage gaps found, or flaky tests fixed.
It does:: Defines scope, plans across functional, performance and security testing, writes the tests, runs them and fixes failures at their root cause.

workflow local none testing tdd performance security

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.6K; bottom 19%
Weekly Downloads: 138; bottom 26%

secure-code-guardian

Use it when:: You're building login, access control, input handling or security headers and want them hardened against the OWASP Top 10.
It does:: Models threats, plans controls, writes the code with defense in depth, tests each control, and records the security decisions.

workflow local none security auth backend node express

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.4K; bottom 13%
Weekly Downloads: 126; bottom 24%

debugging-wizard

Use it when:: You're chasing an error, a crash, a stack trace or unexpected behaviour and want its root cause rather than a guess.
It does:: Reproduces the bug, narrows it to the smallest failing case, tests one hypothesis at a time, fixes it and adds a regression test.

workflow local none debugging testing

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.4K; bottom 13%
Weekly Downloads: 120; bottom 23%

sre-engineer

Use it when:: You're setting reliability targets for a service, writing an error-budget policy, handling incidents, planning capacity or cutting repetitive ops work.
It does:: Reviews architecture, incidents and toil, sets SLOs, confirms they match what users expect, builds monitoring and alerts, automates toil, then runs chaos experiments.

workflow remote none observability infrastructure prometheus

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.4K; bottom 13%
Weekly Downloads: 142; bottom 26%

microservices-architect

Use it when:: You're designing a distributed system or breaking a monolith into services.
It does:: Finds service boundaries with domain-driven design, then picks communication, data, resilience, tracing and deployment patterns, checking each step against a rule.

workflow none none architecture domain-modeling backend observability

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.2K; bottom 6%
Weekly Downloads: 117; bottom 22%

cli-developer

Use it when:: You're building a command-line tool, or adding subcommands, flags, interactive prompts, progress bars or shell completions to one.
It does:: Maps user workflows and the command tree, lists every command's expected --help output before coding, builds it, polishes it, then smoke-tests it on each platform.

workflow local none terminal-ui implementation node python go

Age: 9 months
Stars: 12.3K; #78
Total Downloads: 5.1K; bottom 4%
Weekly Downloads: 105; bottom 21%

claude-skills Skill collection