Agent skill · software engineering · jeremylongshore

clade-install-auth

Install and configure the Anthropic SDK for Claude API access.

Why this skill is useful

Provides specific installation and configuration steps for the Anthropic SDK that the AI wouldn't reliably generate on its own.

What it needs

Requires node, python installed locally. Requires anthropic account access. About 2k tokens when loaded. Last updated 2026-08-07. 2,604 stars on the source repository.

What this skill does

Anthropic Install & Auth Overview Set up the Anthropic SDK and configure your API key to start using Claude models. Prerequisites Node.js 18+ or Python 3.10+ Anthropic account at console.anthropic.com API key from Settings → API Keys (starts with sk-ant-) Instructions Step 1: Install SDK Step 2: Configure API Key Important: Never hardcode API keys. Use environment variables or a secrets manager. Keys start with sk-ant-. Step 3: Verify Connection Output @claude-ai/sdk in nodemodules or anthropic in site-packages ANTHROPICAPIKEY environment variable set Successful Claude response confirming API access Error Handling Error Cause Solution ------- ------- ---------- authenticationerror (401) API key missing, invalid, or revoked Check key at console.anthropic.com → API Keys permissionerror (403) Key lacks access to requested model Verify workspace has model access enabled ModuleNotFoundError SDK not installed pip install anthropic or npm i @claude-ai/sdk Could not resolve host Network/DNS issue Check internet connectivity and proxy settings Examples TypeScript Setup Python Setup Resources Anthropic API Docs Console Dashboard API Key Management Anthropic Status Next Steps After successful auth, proceed to clade-hello-world for your first Claude conversation.

How to use it

Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:

@skills jeremylongshore/clade-install-auth

View the source on GitHub

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