An agent is a specialist Claude hands a whole job to, with its own tools and its own context.
4,481 agents across 361 plugins.
Security architecture specialist. Authentication, authorization, compliance.
Specialized code generation. Invoked by implement-specialist.
Documentation generation. README, API docs, guides.
Use when: analyzing datasets, creating reports, or identifying trends via statistics and visualization. Do NOT use for: building production data pipelines/ETL…
Use when: designing or auditing a design system, a marketing site, a web app screen, or an iOS/Android mockup. Do NOT use for: wiring components into a…
Use when: unknown project structure, mapping dependencies, finding existing patterns before coding, architectural analysis. Do NOT use for: documentation…
Focus on front-end and browser-side security reviews: XSS, client key leaks, dangerous DOM/API usage, third-party scripts, CSP, dependencies and supply chains,…
Front-end test strategy planning subagent: Develop a coverage matrix according to risk and test levels, distinguishing static inspection, unit, component,…
TypeScript/JavaScript special review: type safety, async correctness, Node/Web safety, idioms. Run the project typecheck/eslint first and then read the diff;…
Advisory test-worthiness audit for the emergent surface. Reads only the phase''s changed test files plus their sibling suites; judges each test on two axes…
Handles final content formatting, delivery to output channels, and tracking sheet updates.
Orchestrates multi-content production as a sequential, checkpointed queue of full ContentForge pipeline runs.
Extracts key points from content and adapts for social media platforms.
Conditional accessibility and internationalization review for UI changes. Flags missing aria, color-only signals, untranslated strings, missing translation…
Batch-verify all findings from one source agent — re-read source, apply false-positive filter, score each 0-100. One verifier per source agent (not per…
Estimates Cloudflare Workers costs before deploying. Reads wrangler.toml, counts D1 tables/rows, estimates KV/R2 usage, calculates monthly cost, warns on free…
Finds unreachable exports, unused imports, orphaned functions, and dead variables. Greps project to confirm no references, then removes safely.
Scans packages for outdated deps, security advisories, license violations, and unused imports. Proposes version bumps, runs tests after updates, generates…
Expert in R programming for statistical computing, data science, and machine learning. Specializes in tidyverse ecosystem (dplyr, ggplot2, tidyr), data.table…
Master in Cassandra 4.x/5.x database design, optimization, and management with production-ready CQL examples, cluster configuration, and performance tuning…
Expert in MariaDB 10.x/11.x database management with production-ready SQL examples, replication setup, Galera clustering, and performance optimization…
Web accessibility reviewer that identifies WCAG conformance gaps, prioritizes by impact, and recommends fixes. Advisory only.
Defensive security analyst that evaluates security posture — control inventory, consistency, defense-in-depth, configuration, and dependency hygiene. The…
Adversarial security analyst that attacks code from the attacker's perspective to find exploitable vulnerabilities
Implements multiplayer networking — writes network scripts and uses MCP to set up NetworkManager, spawn points, and network prefabs. Supports Netcode for…
Profiles and optimizes Unity performance. Uses MCP profiler for frame timing, memory snapshots, rendering stats. Identifies CPU/GPU bottlenecks, GC spikes,…
The star agent. Rapid end-to-end prototyping — given a mechanic description, writes C# scripts, builds the test scene via MCP, sets up…
Optional AI QA engineer (Ivy). Use when testing behavior, running automated or exploratory checks, filing reproducible bugs, verifying fixes, or providing…
This custom agent uses Amplitude's MCP tools to deploy new experiments inside of Amplitude, enabling seamless variant testing capabilities and rollout of…
Your role is that of an API architect. Help mentor the engineer by providing guidance, support, and working code.
Fills Nyquist validation gaps by generating tests and verifying coverage for phase requirements.
Verifies plans will achieve phase goals before execution. Goal-backward analysis of plan quality across 10 dimensions.
Creates executable phase plans with task breakdown, dependency analysis, wave assignment, and goal-backward verification. Also creates roadmaps.
Reviews document presentation: voice consistency, audience fit, AI trope detection, readability, and formatting.
Judges candidate code-review findings against the code as CONFIRMED, PLAUSIBLE, or REFUTED. Spawned by the review:code skill's verify phase.
Git history analyst for blame analysis, past decision context recovery, change pattern detection, and refactoring impact assessment. Use when reviewing changes…
Full-stack implementation specialist for isolated worktree work. Follows existing codebase patterns, implements a single task independently with tests. Use for…
Pragmatic ROI analyst for overengineering detection, effort-vs-value assessment, scope creep identification, and "good enough" evaluation. Use when reviewing…
Prompt & guardrail engineering specialist. MUST BE USED for system-prompt design, prompt templates, prompt eval/test suites, prompt-injection defense, and…
Documentation researcher. MUST BE USED for new API integration, library questions, best practices. PROACTIVELY gathers version-specific documentation and…
Senior code reviewer, security specialist, and quality assurance expert. Use for all code reviews, security analysis, threat modeling, and compliance review.…
Auto-Harness reviewer subagent for parallel final QA report compliance. Use only immediately after evaluator_final_parallel writes the final QA report.
Action-specific Auto-Harness Generator subagent for QA and retest fix cycles. Use only when the current legal action is generator_fix.
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