Get a token-efficient overview of any project using the TLDR stack

Guide to the math cognitive stack - what tools exist and when to use each

Choose the right search tool for each query type

Friendly onboarding when users ask about capabilities

Observe Before Editing

Test-driven development workflow with philosophy guide - plan → write tests → implement → validate

Deterministic router for math cognitive stack - maps user intent to exact CLI commands

Async REPL Protocol

Transform session learnings into permanent capabilities (skills, rules, agents). Use when asked to "improve setup", "learn from sessions", "compound learnings", or "what patterns should become skills".

No Polling for Background Agents

Graceful Degradation with Helpful Messages

Modular Code Organization

Search Tool Hierarchy

Check reference SDK implementations using btca ask

Maps questions to the optimal tldr command. Use this to pick the right layer

Implement technical plans from thoughts/shared/plans with verification

Comprehensive code review workflow - parallel specialized reviews → synthesis

Agentic Workflow Pattern

Systematic hook debugging workflow. Use when hooks aren't firing, producing wrong output, or behaving unexpectedly.

Agent Context Isolation