Analyzes your recent Claude Code chat history to identify coding patterns, development gaps, and areas for improvement, curates relevant learning resources from HackerNews, and automatically sends...

Voice agents represent the frontier of AI interaction - humans speaking naturally with AI systems. The challenge isn't just speech recognition and synthesis, it's achieving natural conversation...

A skill that creates new Claude skills and automatically shares them on Slack using Rube for seamless team collaboration and skill discovery.

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

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state...

This skill should be used when the user asks to "build background agent", "create hosted coding agent", "set up sandboxed execution", "implement multiplayer agent", or mentions background agents,...

Helps Claude install and use brand-specific design skills for popular product brands (Apple, Linear, Stripe, Shopify, Notion, Figma, Spotify, Slack, Discord, IBM, Salesforce) by running the...

Build LLM applications with LangChain and LangGraph. Use when creating RAG pipelines, agent workflows, chains, or complex LLM orchestration. Triggers on LangChain, LangGraph, LCEL, RAG, retrieval,...

Creates and modifies Claude Code sub-agents following best practices. Use when user requests creating, updating, modifying, improving, or editing sub-agents. Triggers include "create/make/new...

Claude Code extensibility: agents, skills, output styles. Capabilities: create/update/delete agents and skills, YAML frontmatter, system prompts, tool/model selection, resumable agents,...

Check reference SDK implementations using btca ask

Environment Triage

Unit-aware computation with Pint - convert units, dimensional analysis, unit arithmetic

Computational geometry with Shapely - create geometries, boolean operations, measurements, predicates

Index at Creation Time

Search Tool Hierarchy

Search Tool Hierarchy

AST-based code search and refactoring via ast-grep MCP

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

Modular Code Organization