claude-skill

Free LLM API keys with free-llm-api-keys

Name: Free LLM API keys with free-llm-api-keys
Author: alistaitsacle

Get free API keys for GPT and more. For startup founders, 2.9k+ GitHub stars

beginner⏱ 5 minutes💵 Free (self-hosted)

3,176 stars362 forksGuide quality 8/10 · reviewed Jun 29Updated 7/8/2026100% free · open source

What it is

Get updated API keys for popular LLM tools without a credit card.

Real use case example

"A founder, Alex, wants to test a customer support chatbot on their website using Claude. Alex sets up a free LLM API key, imports the Claude integration, and configures the chatbot to respond to common queries. Within 10 minutes, the chatbot is live, and Alex can refine it without incurring additional costs."

Best insideClaude DesktopClaude Code

When to use it

•You need to prototype an LLM-powered feature without incurring costs
•Your startup requires testing multiple LLM models for comparison
•You're looking for a low-risk way to explore LLM capabilities for your business

Ready-to-paste prompt

python -c 'import requests; response = requests.post("https://api.example.com/llm", json={"prompt": "Write a product description for a new smartwatch"}, headers={"Authorization": "Bearer YOUR_API_KEY_HERE"})'; print(response.text)

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/free-llm-api-keys && curl -fsSL https://workflowstacks.com/api/skills/free-llm-api-keys/claude-skill -o ~/.claude/skills/free-llm-api-keys/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/free-llm-api-keys && curl -fsSL https://workflowstacks.com/api/skills/free-llm-api-keys/claude-skill -o ~/.claude/skills/free-llm-api-keys/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

alistaitsacle

Do this with a working workflow

Pages we wrote and tested that put a skill like this to work — importable n8n templates, outcome guides and Claude Desktop configs.

Free n8n template

AI Support Agent (Chat)

A chat agent that answers customer questions from YOUR business info — with conversation memory. It never invents policies; anything it doesn't know, it hands to a human.

MCP config