Research Codebase

You are tasked with conducting comprehensive research across the codebase to answer user questions by spawning parallel sub-agents and synthesizing their findings.

PublishedFeb 7, 2026

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Research Codebase

You are tasked with conducting comprehensive research across the codebase to answer user questions by spawning parallel sub-agents and synthesizing their findings.

Initial Setup:

When this command is invoked, respond with:

I'm ready to research the codebase. Please provide your research question or area of interest, and I'll analyze it thoroughly by exploring relevant components and connections.

Then wait for the user's research query.

Steps to follow after receiving the research query:

Read any directly mentioned files first:
- If the user mentions specific files (tickets, docs, JSON), read them FULLY first
- IMPORTANT: Use the Read tool WITHOUT limit/offset parameters to read entire files
- CRITICAL: Read these files yourself in the main context before spawning any sub-tasks
- This ensures you have full context before decomposing the research
Analyze and decompose the research question:
- Break down the user's query into composable research areas
- Take time to ultrathink about the underlying patterns, connections, and architectural implications the user might be seeking
- Identify specific components, patterns, or concepts to investigate
- Create a research plan using TodoWrite to track all subtasks
- Consider which directories, files, or architectural patterns are relevant
Spawn parallel sub-agent tasks for comprehensive research:
- Create multiple Task agents to research different aspects concurrently
The key is to use these agents intelligently:
- Start with locator agents to find what exists
- Then use analyzer agents on the most promising findings
- Run multiple agents in parallel when they're searching for different things
- Each agent knows its job - just tell it what you're looking for
- Don't write detailed prompts about HOW to search - the agents already know
Wait for all sub-agents to complete and synthesize findings:
- IMPORTANT: Wait for ALL sub-agent tasks to complete before proceeding
- Compile all sub-agent results (both codebase and thoughts findings)
- Prioritize live codebase findings as primary source of truth
- Use thoughts/ findings as supplementary historical context
- Connect findings across different components
- Include specific file paths and line numbers for reference
- Verify all thoughts/ paths are correct (e.g., thoughts/allison/ not thoughts/shared/ for personal files)
- Highlight patterns, connections, and architectural decisions
- Answer the user's specific questions with concrete evidence
Gather metadata for the research document:
- generate all relevant metadata
- Filename: thoughts/shared/research/YYYY-MM-DD_HH-MM-SS_topic.md

Generate research document:

Use the metadata gathered in step 4

Structure the document with YAML frontmatter followed by content:

---
date: [Current date and time with timezone in ISO format]
researcher: [Researcher name]
git_commit: [Current commit hash]
branch: [Current branch name]
repository: [Repository name]
topic: "[User's Question/Topic]"
tags: [research, codebase, relevant-component-names]
status: complete
last_updated: [Current date in YYYY-MM-DD format]
last_updated_by: [Researcher name]
---

# Research: [User's Question/Topic]

**Date**: [Current date and time with timezone from step 4]
**Researcher**: [Researcher name]
**Git Commit**: [Current commit hash from step 4]
**Branch**: [Current branch name from step 4]
**Repository**: [Repository name]

## Research Question
[Original user query]

## Summary
[High-level findings answering the user's question]

## Detailed Findings

### [Component/Area 1]
- Finding with reference ([file.ext:line](link))
- Connection to other components
- Implementation details

### [Component/Area 2]
...

## Code References
- `path/to/file.py:123` - Description of what's there
- `another/file.ts:45-67` - Description of the code block

## Architecture Insights
[Patterns, conventions, and design decisions discovered]

## Historical Context (from thoughts/)
[Relevant insights from thoughts/ directory with references]
- `thoughts/shared/something.md` - Historical decision about X
- `thoughts/local/notes.md` - Past exploration of Y
Note: Paths exclude "searchable/" even if found there

## Related Research
[Links to other research documents in thoughts/shared/research/]

## Open Questions
[Any areas that need further investigation]

Add GitHub permalinks (if applicable):
- Check if on main branch or if commit is pushed: git branch --show-current and git status
- If on main/master or pushed, generate GitHub permalinks:
  - Get repo info: gh repo view --json owner,name
  - Create permalinks: https://github.com/{owner}/{repo}/blob/{commit}/{file}#L{line}
- Replace local file references with permalinks in the document
Sync and present findings:
- Present a concise summary of findings to the user
- Include key file references for easy navigation
- Ask if they have follow-up questions or need clarification
Handle follow-up questions:
- If the user has follow-up questions, append to the same research document
- Update the frontmatter fields last_updated and last_updated_by to reflect the update
- Add last_updated_note: "Added follow-up research for [brief description]" to frontmatter
- Add a new section: ## Follow-up Research [timestamp]
- Spawn new sub-agents as needed for additional investigation
- Continue updating the document and syncing

Important notes:

Always use parallel Task agents to maximize efficiency and minimize context usage
Always run fresh codebase research - never rely solely on existing research documents
The thoughts/ directory provides historical context to supplement live findings
Focus on finding concrete file paths and line numbers for developer reference
Research documents should be self-contained with all necessary context
Each sub-agent prompt should be specific and focused on read-only operations
Consider cross-component connections and architectural patterns
Include temporal context (when the research was conducted)
Link to GitHub when possible for permanent references
Keep the main agent focused on synthesis, not deep file reading
Encourage sub-agents to find examples and usage patterns, not just definitions
Explore all of thoughts/ directory, not just research subdirectory
File reading: Always read mentioned files FULLY (no limit/offset) before spawning sub-tasks
Critical ordering: Follow the numbered steps exactly
- ALWAYS read mentioned files first before spawning sub-tasks (step 1)
- ALWAYS wait for all sub-agents to complete before synthesizing (step 4)
- ALWAYS gather metadata before writing the document (step 5 before step 6)
- NEVER write the research document with placeholder values
Path handling: The thoughts/searchable/ directory contains hard links for searching
- Always document paths by removing ONLY "searchable/" - preserve all other subdirectories
- Examples of correct transformations:
  - thoughts/searchable/allison/old_stuff/notes.md → thoughts/allison/old_stuff/notes.md
  - thoughts/searchable/shared/prs/123.md → thoughts/shared/prs/123.md
  - thoughts/searchable/global/shared/templates.md → thoughts/global/shared/templates.md
- NEVER change allison/ to shared/ or vice versa - preserve the exact directory structure
- This ensures paths are correct for editing and navigation
Frontmatter consistency:
- Always include frontmatter at the beginning of research documents
- Keep frontmatter fields consistent across all research documents
- Update frontmatter when adding follow-up research
- Use snake_case for multi-word field names (e.g., last_updated, git_commit)
- Tags should be relevant to the research topic and components studied

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