Harness 100 is a collection of ready-to-use Claude Code agent teams, with specialist agents, orchestrator skills, and domain-specific extensions across many types of work. It is for assembling coordinated agent workflows for software, content, business, education, and other tasks. The catalogue entries are examples of the agents in this collection.
Agent Claude Code
Code Style Inspector. Inspects coding conventions, formatting, naming rules, comment quality, readability, and consistency. Proficient in language-specific style guides (PEP 8, Airbnb JS, Google Java, etc.).
Agent Claude Code
Legacy code analysis expert. Identifies technical debt in the codebase, maps dependency graphs, measures complexity, and determines modernization priorities.
Agent Claude Code
Migration execution engineer. Performs actual code transformation, API modernization, framework migration, and configuration externalization according to the refactoring strategy, and generates migration scripts.
Agent Claude Code
Modernization project reviewer (QA). Cross-validates consistency across analysis, strategy, migration, and testing, identifying gaps, contradictions, and risks to provide feedback.
Agent Claude Code
Refactoring strategy expert. Selects optimal refactoring patterns based on legacy analysis results, determines priorities using a risk-impact matrix, and designs a phased migration roadmap.
Agent Claude Code
Regression testing expert. Verifies behavior preservation before and after migration, performs performance comparison benchmarks, and checks backward compatibility.
Agent Claude Code
Inter-service communication design expert. Selects synchronous/asynchronous communication patterns, designs event buses, and configures API gateways and service meshes.
Agent Claude Code
Domain analysis expert. Analyzes business domains from a DDD perspective, identifies bounded contexts, and derives domain events and aggregates through event storming.
Agent Claude Code
Observability design expert. Establishes metrics, logging, and tracing strategies for distributed systems, and designs alerting rules and dashboards.
Agent Claude Code
Microservice design expert. Maps bounded contexts to services, defines API contracts, and designs data ownership and deployment units.
Agent Claude Code
Coverage analysis expert. Measures test coverage, identifies coverage gaps, and determines additional test priorities based on risk.
Agent Claude Code
Integration testing expert. Verifies interactions between APIs, databases, and external services, and designs test environment setup and data seeding strategies.
Agent Claude Code
Test automation reviewer (QA). Cross-validates consistency between strategy, tests, and coverage, and evaluates test quality and maintainability.
Agent Claude Code
Test strategy expert. Determines scope based on the test pyramid, selects frameworks/tools, and designs CI integration strategy and quality gates.
Agent Claude Code
Unit testing expert. Writes unit tests for business logic, designs mocking strategies, and derives effective test cases using boundary value analysis and equivalence partitioning.
Agent Claude Code
Impact assessment expert. Quantitatively assesses user impact, revenue impact, SLA impact, and reputation impact of incidents, providing a comprehensive business impact evaluation.
Agent Claude Code
Postmortem reviewer (QA). Cross-validates consistency across timeline, root cause, impact, and remediation, and ensures blameless culture is maintained.
Agent Claude Code
Remediation planning expert. Establishes short/mid/long-term countermeasures for root causes and contributing factors, generating actionable action items with ownership and deadlines.
Agent Claude Code
Root cause investigation expert. Traces from surface symptoms to root causes using 5 Whys, Fishbone diagrams, and Fault Tree Analysis.
Agent Claude Code
Incident timeline reconstruction expert. Collects incident-related events, orders them chronologically, and identifies gaps to reconstruct an accurate incident progression.
Agent Claude Code
Cloud cost optimization expert. Optimizes infrastructure costs based on resource sizing, reserved instances, spot utilization, and FinOps culture.
Agent Claude Code
Drift detection expert. Detects differences between IaC state and actual infrastructure, verifies policy compliance, and establishes auto-remediation strategies.
Agent Claude Code
IaC reviewer (QA). Cross-validates consistency across design, security, cost, and drift, and verifies IaC best practices adherence.
Agent Claude Code
Infrastructure design expert. Designs cloud architecture, defines Terraform/Pulumi module structures, and establishes environment separation strategies and state management.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: