Store a learning, pattern, or decision in the memory system for future recall

Router-First Architecture

Check reference SDK implementations using btca ask

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

LLM Tuning Patterns

Parallel Agent Type Contracts

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

AI-powered web search, research, and reasoning via Perplexity

Implement technical plans from thoughts/shared/plans with verification

Planning agent that creates implementation plans and handoffs from conversation context

Deep interview process to transform vague ideas into detailed specs. Works for technical and non-technical users.

65 Specialized Skills for Full-Stack Developers - Transform Claude Code into your expert pair programmer

Replace with description of the skill and when Claude should use it.

[Skill] Perform thorough code reviews focusing on unused code, duplications, coding patterns, bugs, and optimizations. Use when user wants code reviewed or audited. Read-only - outputs findings...

Use when reviewing pull requests, conducting code quality audits, or identifying security vulnerabilities. Invoke for PR reviews, code quality checks, refactoring suggestions.

Scrape web pages and extract content via Firecrawl MCP

Idempotent Redundancy

Validation agent that validates plan tech choices against current best practices

Create or update continuity ledger for state preservation across clears

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