context-driven-development · diff
v1.0.0 to v1.0.0
2 added, 354 removed. Audit A to A.
---
name: context-driven-development
description: >-
Creates and maintains project context artifacts (product.md, tech-stack.md, workflow.md, tracks.md)
in a `conductor/` directory. Scaffolds new projects from scratch, extracts context from existing
codebases, validates artifact consistency before implementation, and synchronizes documents as the
project evolves. Use when setting up a project, creating or updating product docs, managing a tech
stack file, defining development workflows, tracking work units, onboarding to an existing codebase,
or running project scaffolding.
version: 1.0.0
---
# Context-Driven Development
Guide for implementing and maintaining context as a managed artifact alongside code, enabling consistent AI interactions and team alignment through structured project documentation.
## When to Use This Skill
- Setting up new projects with Conductor
- Understanding the relationship between context artifacts
- Maintaining consistency across AI-assisted development sessions
- Onboarding team members to an existing Conductor project
- Deciding when to update context documents
- Managing greenfield vs brownfield project contexts
- ## Core Philosophy
-
- Context-Driven Development treats project context as a first-class artifact managed alongside code. Instead of relying on ad-hoc prompts or scattered documentation, establish a persistent, structured foundation that informs all AI interactions.
-
- Key principles:
-
- 1. **Context precedes code**: Define what you're building and how before implementation
- 2. **Living documentation**: Context artifacts evolve with the project
- 3. **Single source of truth**: One canonical location for each type of information
- 4. **AI alignment**: Consistent context produces consistent AI behavior
-
- ## The Workflow
-
- Follow the **Context → Spec & Plan → Implement** workflow:
-
- 1. **Context Phase**: Establish or verify project context artifacts exist and are current
- 2. **Specification Phase**: Define requirements and acceptance criteria for work units
- 3. **Planning Phase**: Break specifications into phased, actionable tasks
- 4. **Implementation Phase**: Execute tasks following established workflow patterns
-
- ## Artifact Relationships
-
- ### product.md - Defines WHAT and WHY
-
- Purpose: Captures product vision, goals, target users, and business context.
-
- Contents:
-
- - Product name and one-line description
- - Problem statement and solution approach
- - Target user personas
- - Core features and capabilities
- - Success metrics and KPIs
- - Product roadmap (high-level)
-
- Update when:
-
- - Product vision or goals change
- - New major features are planned
- - Target audience shifts
- - Business priorities evolve
-
- ### product-guidelines.md - Defines HOW to Communicate
-
- Purpose: Establishes brand voice, messaging standards, and communication patterns.
-
- Contents:
-
- - Brand voice and tone guidelines
- - Terminology and glossary
- - Error message conventions
- - User-facing copy standards
- - Documentation style
-
- Update when:
-
- - Brand guidelines change
- - New terminology is introduced
- - Communication patterns need refinement
-
- ### tech-stack.md - Defines WITH WHAT
-
- Purpose: Documents technology choices, dependencies, and architectural decisions.
-
- Contents:
-
- - Primary languages and frameworks
- - Key dependencies with versions
- - Infrastructure and deployment targets
- - Development tools and environment
- - Testing frameworks
- - Code quality tools
-
- Update when:
-
- - Adding new dependencies
- - Upgrading major versions
- - Changing infrastructure
- - Adopting new tools or patterns
-
- ### workflow.md - Defines HOW to Work
-
- Purpose: Establishes development practices, quality gates, and team workflows.
-
- Contents:
-
- - Development methodology (TDD, etc.)
- - Git workflow and commit conventions
- - Code review requirements
- - Testing requirements and coverage targets
- - Quality assurance gates
- - Deployment procedures
-
- Update when:
-
- - Team practices evolve
- - Quality standards change
- - New workflow patterns are adopted
-
- ### tracks.md - Tracks WHAT'S HAPPENING
-
- Purpose: Registry of all work units with status and metadata.
-
- Contents:
-
- - Active tracks with current status
- - Completed tracks with completion dates
- - Track metadata (type, priority, assignee)
- - Links to individual track directories
-
- Update when:
-
- - New tracks are created
- - Track status changes
- - Tracks are completed or archived
-
- See [references/artifact-templates.md](references/artifact-templates.md) for copy-paste starter templates.
-
- ## Context Maintenance Principles
-
- ### Keep Artifacts Synchronized
-
- Ensure changes in one artifact reflect in related documents:
-
- - New feature in product.md → Update tech-stack.md if new dependencies needed
- - Completed track → Update product.md to reflect new capabilities
- - Workflow change → Update all affected track plans
-
- ### Update tech-stack.md When Adding Dependencies
-
- Before adding any new dependency:
-
- 1. Check if existing dependencies solve the need
- 2. Document the rationale for new dependencies
- 3. Add version constraints
- 4. Note any configuration requirements
-
- ### Update product.md When Features Complete
-
- After completing a feature track:
-
- 1. Move feature from "planned" to "implemented" in product.md
- 2. Update any affected success metrics
- 3. Document any scope changes from original plan
-
- ### Verify Context Before Implementation
-
- Before starting any track:
-
- 1. Read all context artifacts
- 2. Flag any outdated information
- 3. Propose updates before proceeding
- 4. Confirm context accuracy with stakeholders
-
- ## Greenfield vs Brownfield Handling
-
- ### Greenfield Projects (New)
-
- For new projects:
-
- 1. Run `/conductor:setup` to create all artifacts interactively
- 2. Answer questions about product vision, tech preferences, and workflow
- 3. Generate initial style guides for chosen languages
- 4. Create empty tracks registry
-
- Characteristics:
-
- - Full control over context structure
- - Define standards before code exists
- - Establish patterns early
-
- ### Brownfield Projects (Existing)
-
- For existing codebases:
-
- 1. Run `/conductor:setup` with existing codebase detection
- 2. System analyzes existing code, configs, and documentation
- 3. Pre-populate artifacts based on discovered patterns
- 4. Review and refine generated context
-
- Characteristics:
-
- - Extract implicit context from existing code
- - Reconcile existing patterns with desired patterns
- - Document technical debt and modernization plans
- - Preserve working patterns while establishing standards
-
- ## Benefits
-
- ### Team Alignment
-
- - New team members onboard faster with explicit context
- - Consistent terminology and conventions across the team
- - Shared understanding of product goals and technical decisions
-
- ### AI Consistency
-
- - AI assistants produce aligned outputs across sessions
- - Reduced need to re-explain context in each interaction
- - Predictable behavior based on documented standards
-
- ### Institutional Memory
-
- - Decisions and rationale are preserved
- - Context survives team changes
- - Historical context informs future decisions
-
- ### Quality Assurance
-
- - Standards are explicit and verifiable
- - Deviations from context are detectable
- - Quality gates are documented and enforceable
-
- ## Directory Structure
-
- ```
- conductor/
- ├── index.md # Navigation hub linking all artifacts
- ├── product.md # Product vision and goals
- ├── product-guidelines.md # Communication standards
- ├── tech-stack.md # Technology preferences
- ├── workflow.md # Development practices
- ├── tracks.md # Work unit registry
- ├── setup_state.json # Resumable setup state
- ├── code_styleguides/ # Language-specific conventions
- │ ├── python.md
- │ ├── typescript.md
- │ └── ...
- └── tracks/
- └── <track-id>/
- ├── spec.md
- ├── plan.md
- ├── metadata.json
- └── index.md
- ```
-
- ## Context Lifecycle
-
- 1. **Creation**: Initial setup via `/conductor:setup`
- 2. **Validation**: Verify before each track
- 3. **Evolution**: Update as project grows
- 4. **Synchronization**: Keep artifacts aligned
- 5. **Archival**: Document historical decisions
-
- ## Context Validation Checklist
-
- Before starting implementation on any track, validate context:
-
- ### Product Context
-
- - [ ] product.md reflects current product vision
- - [ ] Target users are accurately described
- - [ ] Feature list is up to date
- - [ ] Success metrics are defined
-
- ### Technical Context
-
- - [ ] tech-stack.md lists all current dependencies
- - [ ] Version numbers are accurate
- - [ ] Infrastructure targets are correct
- - [ ] Development tools are documented
-
- ### Workflow Context
-
- - [ ] workflow.md describes current practices
- - [ ] Quality gates are defined
- - [ ] Coverage targets are specified
- - [ ] Commit conventions are documented
-
- ### Track Context
-
- - [ ] tracks.md shows all active work
- - [ ] No stale or abandoned tracks
- - [ ] Dependencies between tracks are noted
-
- ## Common Anti-Patterns
-
- Avoid these context management mistakes:
-
- ### Stale Context
-
- Problem: Context documents become outdated and misleading.
- Solution: Update context as part of each track's completion process.
-
- ### Context Sprawl
-
- Problem: Information scattered across multiple locations.
- Solution: Use the defined artifact structure; resist creating new document types.
-
- ### Implicit Context
-
- Problem: Relying on knowledge not captured in artifacts.
- Solution: If you reference something repeatedly, add it to the appropriate artifact.
-
- ### Context Hoarding
-
- Problem: One person maintains context without team input.
- Solution: Review context artifacts in pull requests; make updates collaborative.
-
- ### Over-Specification
-
- Problem: Context becomes so detailed it's impossible to maintain.
- Solution: Keep artifacts focused on decisions that affect AI behavior and team alignment.
-
- ## Integration with Development Tools
-
- ### IDE Integration
-
- Configure your IDE to display context files prominently:
-
- - Pin conductor/product.md for quick reference
- - Add tech-stack.md to project notes
- - Create snippets for common patterns from style guides
-
- ### Git Hooks
-
- Consider pre-commit hooks that:
-
- - Warn when dependencies change without tech-stack.md update
- - Remind to update product.md when feature branches merge
- - Validate context artifact syntax
-
- ### CI/CD Integration
-
- Include context validation in pipelines:
-
- - Check tech-stack.md matches actual dependencies
- - Verify links in context documents resolve
- - Ensure tracks.md status matches git branch state
-
- ## Session Continuity
-
- Conductor supports multi-session development through context persistence:
-
- ### Starting a New Session
-
- 1. Read index.md to orient yourself
- 2. Check tracks.md for active work
- 3. Review relevant track's plan.md for current task
- 4. Verify context artifacts are current
-
- ### Ending a Session
-
- 1. Update plan.md with current progress
- 2. Note any blockers or decisions made
- 3. Commit in-progress work with clear status
- 4. Update tracks.md if status changed
-
- ### Handling Interruptions
-
- If interrupted mid-task:
+ ## Detailed patterns and worked examples
- 1. Mark task as `[~]` with note about stopping point
- 2. Commit work-in-progress to feature branch
- 3. Document any uncommitted decisions in plan.md
+ Detailed pattern documentation lives in `references/details.md`. Read that file when the navigation tier above is insufficient.
## Best Practices
1. **Read context first**: Always read relevant artifacts before starting work
2. **Small updates**: Make incremental context changes, not massive rewrites
3. **Link decisions**: Reference context when making implementation choices
4. **Version context**: Commit context changes alongside code changes
5. **Review context**: Include context artifact reviews in code reviews
6. **Validate regularly**: Run context validation checklist before major work
7. **Communicate changes**: Notify team when context artifacts change significantly
8. **Preserve history**: Use git to track context evolution over time
9. **Question staleness**: If context feels wrong, investigate and update
10. **Keep it actionable**: Every context item should inform a decision or behavior