From CAST — Claude Agent Specialist Team
Lists all 23 CAST agents with their model assignments and role descriptions. Load when orchestrating multi-agent workflows or verifying which model a specific agent runs on.
How this skill is triggered — by the user, by Claude, or both
Slash command
/cast:agent-registryThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
All 23 CAST agents with their model tier and one-line role description.
All 23 CAST agents with their model tier and one-line role description.
| Agent | Model | Role |
|---|---|---|
api-contract | haiku 4.5 | API contract guardian — detects breaking changes in REST endpoints, compares route signatures and response shapes, generates contract tests |
bash-specialist | sonnet | Shell scripting specialist for CAST hook scripts, BATS tests, and automation scripts — use for new hook scripts, BATS test authoring, and shell refactors |
code-reviewer | haiku 4.5 | Per-unit code-quality and security review of a single logical change mid-flight, any language — dispatched after every code-writer or debugger unit, before commit |
code-writer | sonnet | Implementation specialist for feature work, bug fixes, and planned changes — receives tasks from planner or orchestrator and owns the full write-test-review cycle |
commit | haiku 4.5 | Git commit specialist — reads staged changes, writes a semantic commit message, and creates the commit following CAST conventions |
debugger | sonnet | Root-cause debugging of concrete failures — a reproduced error, a stack trace, a failing test, or observably wrong runtime behavior |
dep-auditor | haiku 4.5 | Dependency auditor — reviews package changes for transitive risk, known CVEs, version compatibility, and license concerns |
devops | haiku 4.5 | CI/CD pipeline management, Docker/containerization, GitHub Actions workflow authoring, infrastructure-as-code (Terraform/Ansible) |
docs | haiku 4.5 | Documentation specialist — handles README audits/rewrites, doc updates after code changes, status reports, and sprint summaries |
eval-writer | sonnet | Eval and benchmark fixture author for Claude API and CAST agent prompts — generates YAML eval cases with runnable graders that catch prompt-level behavior drift |
frontend-qa | haiku 4.5 | Deep React 19 and TypeScript review of .tsx/.ts files — prop typing, TanStack Query hook usage, frontend-to-backend API-contract alignment, Vitest coverage gaps, and a11y basics |
merge | haiku 4.5 | PR lifecycle agent — watches CI checks on the current PR and stops for confirmation before squash-merging after approval |
migration-reviewer | opus | Database schema change reviewer — analyzes migration files for safety, generates rollback plans, validates ordering, and checks for destructive operations |
morning-briefing | haiku 4.5 | Daily briefing agent that gathers git activity, action items, and CAST system intelligence, then assembles a structured morning report |
perf-sentinel | sonnet | Performance regression detector — runs benchmarks, interprets results in context of recent changes, and suggests git bisect ranges for regressions |
planner | sonnet | Planning specialist that converts feature requests into specs and ordered task breakdowns — reserve for genuinely multi-file/multi-agent work requiring an Agent Dispatch Manifest |
pr-reviewer | sonnet | Whole-PR review at PR-open time — reads the full multi-commit diff, commit-message coherence, scope creep, coverage gaps, and breaking-change surface |
push | haiku 4.5 | Git push specialist — verifies branch safety, shows unpushed commits, sets upstream if needed, then pushes using the CAST workflow |
release-notes | haiku 4.5 | Release notes generator — creates structured changelogs from git commits, resolved issues, and breaking changes between tags |
researcher | sonnet | Multi-purpose research and analysis specialist for codebase exploration, web research, technology comparisons, and architectural recommendations |
security | sonnet | Security review specialist for code handling user input, auth, API keys, database queries, or external data — flags injection risks, secrets exposure, and authorization gaps |
test-runner | haiku 4.5 | Test execution gate — runs the project test suite and gates the chain on real exit codes; MUST run in its own sequential batch, never co-scheduled with review agents |
test-writer | haiku 4.5 | Test design specialist — writes test suites for existing code covering happy path, edge cases, and error states; detects the test framework in use and follows its conventions |
Agent definitions: ~/.claude/agents/
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