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Resources Library

External resources we use and recommend — Anthropic's repos, MCP server registries, Claude skill marketplaces, app marketing tools, design references, and the rest of the toolkit. Updated as new resources appear.

Anthropic & Claude

Official Anthropic resources for building on Claude.

Anthropic Docs ↗
Official documentation for Claude API, agents, tools, prompt engineering.
Official
Claude Console ↗
API keys, usage, billing, evaluations, Workbench.
Official
github.com/anthropics ↗
All Anthropic open-source — Claude Code, SDKs, cookbook, skills.
GitHub Org
claude-code ↗
The Claude Code CLI itself. Releases, issues, examples.
CLI
claude-plugins-official ↗
Officially maintained Claude plugins.
Plugins
anthropics/skills ↗
Reference repository for Claude Skills.
Skills
anthropic-cookbook ↗
Working code examples for tool use, RAG, vision, agents.
Examples
Prompt Engineering Tutorial ↗
Anthropic's official prompting course as Jupyter notebooks.
Course

MCP (Model Context Protocol)

The open standard for connecting Claude to external tools.

modelcontextprotocol.io ↗
Official MCP specification and documentation.
Spec
modelcontextprotocol/servers ↗
Reference MCP servers — filesystem, GitHub, Postgres, Slack, etc.
Servers
MCP Python SDK ↗
Build custom MCP servers in Python.
SDK
MCP TypeScript SDK ↗
Build custom MCP servers in TypeScript.
SDK

Agent Skills & Marketplaces

Community-driven skill ecosystems and agent-roadmap resources.

agentskills.io ↗
Community directory of agent skills with categorization.
Directory
skillsmp.com ↗
Skills marketplace, including premium specialist skills.
Marketplace
agent-roadmap-2026 ↗
Curated learning path for agent builders.
Learning
Our Skills post →
How Claude Skills work and how to author your own.
djE Post

iOS Development

Apple developer resources and iOS-specific tooling.

Apple HIG ↗
Human Interface Guidelines — the iOS design contract.
Official
SF Symbols ↗
6,000+ icons designed to pair with iOS apps.
Design
Small Business Program ↗
Free 15% commission tier — apply if under $1M annual.
Business
Apple Search Ads ↗
Paid placement at the top of App Store search results.
Marketing
awesome-swift ↗
Curated Swift libraries and tools.
Curated
Mobbin ↗
Screenshots of real mobile apps for design inspiration.
Design

Backends & Infrastructure

Railway Docs ↗
Official Railway documentation.
PaaS
Vercel Docs ↗
Vercel platform documentation.
PaaS
Firebase Docs ↗
BaaS reference — Auth, Firestore, FCM, App Check.
BaaS
AWS Bedrock ↗
Managed access to Claude and other LLMs on AWS.
AWS
Vertex AI ↗
Google's managed AI platform — Gemini + Claude access.
GCP

AI Tools & Models

Cursor ↗
AI-first IDE (VS Code fork) with multi-model support.
IDE
Google Antigravity ↗
Google's agentic IDE built around Gemini.
IDE
Ollama ↗
Run local LLMs (Gemma, Llama, Qwen) on your Mac.
Local
LM Studio ↗
GUI for running local LLMs.
Local
Perplexity ↗
AI-native research engine and Comet browser.
Search

Marketing & Analytics

Plausible ↗
Privacy-respecting web analytics (we use this).
Analytics
PostHog ↗
Product analytics, feature flags, session replay.
Analytics
AppFigures ↗
App store data, ASO tooling, keyword research.
ASO
SensorTower ↗
App store intelligence and ASO.
ASO
CapCut ↗
Free video editor with AI features for short-form.
Video

djEnterprises Internal Tools

Profitability Calculator
Model your AI iOS app's economics. Per-user costs, breakeven, recommendations.
Tool
Blog Index (Wiki)
Every post, sortable and searchable.
Index
Claude at Max Efficiency
22-min cornerstone guide to using Claude well.
Cornerstone
Marketing Fundamentals
The distribution playbook for indie builders.
Cornerstone