Agents

All GSD agents — what they do, when they run, and their model profiles

Agent What it does When it runs Model profile
gsd-planner Creates atomic execution plans with XML structure During /gsd:plan-phase Opus • Opus • Sonnet
gsd-roadmapper Maps requirements to phases in ROADMAP.md During /gsd:new-project, /gsd:new-milestone Opus • Sonnet • Sonnet
gsd-executor Implements tasks in fresh 200K context windows During /gsd:execute-phase Opus • Sonnet • Sonnet
gsd-phase-researcher Investigates domain before planning a phase During /gsd:plan-phase (if research enabled) Opus • Sonnet • Haiku
gsd-project-researcher Researches domain for new project/milestone initialization During /gsd:new-project, /gsd:new-milestone Opus • Sonnet • Haiku
gsd-research-synthesizer Combines parallel research findings into RESEARCH.md During /gsd:plan-phase after research agents Sonnet • Sonnet • Haiku
gsd-debugger Systematic debugging with persistent state During /gsd:debug Opus • Sonnet • Sonnet
gsd-codebase-mapper Analyzes existing codebase: stack, architecture, conventions During /gsd:map-codebase Sonnet • Haiku • Haiku
gsd-verifier Confirms must-haves were delivered after execution During /gsd:execute-phase (if verifier enabled) Sonnet • Sonnet • Haiku
gsd-plan-checker Verifies plans achieve phase goals (loop up to 3x) During /gsd:plan-phase (if plan_check enabled) Sonnet • Sonnet • Haiku
gsd-integration-checker Validates cross-plan integration points During /gsd:execute-phase Sonnet • Sonnet • Haiku
gsd-nyquist-auditor Retroactively audits and fills test coverage gaps During /gsd:validate-phase