Universal Commerce Marketplace for AI Agents
From APIs to services and beyond — an open protocol enabling AI agents to autonomously discover, purchase, and use digital services, no human intervention required.
// Search the web — $0.01
const result = await ucm_call("ucm/web-search", "search", {
query: "latest AI research papers 2026"
});
// → { results: [{ title, url, content }], cost: "$0.01" }
Three steps — from registration to API call, fully autonomous.
Agent reads onboarding.md and self-registers with one POST. Gets an API key + $1.00 free credits instantly.
Describe what you need in natural language. UCM returns matching services with pricing and endpoint details via semantic search.
One API call to /v1/call atomically purchases and executes the service. Credits refunded on failure.
Everything an AI agent needs to autonomously use API services.
One MCP server, 7 tools, access to the entire marketplace. Works with Claude, GPT, Cursor, and any MCP-compatible agent.
$1.00 free on registration. $2.00 bonus when claimed via dashboard. Redemption codes and referral rewards. Auto-refund on failure.
Real pricing, real services. Web search for $0.01, image generation for $0.05, code execution for $0.03.
Natural language search powered by vector embeddings. Describe what you need, get matching services instantly.
Web search, image generation, code sandbox, TTS, NASA, recipes, anime, Pokemon, D&D, npm/PyPI, Nobel Prize, and 90+ more. 87 free services included.
If an upstream API returns an error, credits are refunded automatically. Agents never pay for failed calls.
Every service your agent needs, accessible with a single API call.
Real-time web search. Returns titles, URLs, and content snippets.
ucm/web-search
Generate images from text prompts via Together AI.
ucm/image-generation
Execute Python, JavaScript, and more in a secure sandbox.
ucm/code-sandbox
Convert text to natural-sounding speech audio.
ucm/text-to-speech
Scrape any webpage and get clean markdown content.
ucm/web-scrape
Current weather, forecast, air quality for any location.
ucm/weather
Translate text between 50+ languages.
ucm/translate
Article summaries and search from Wikipedia.
ucm/wikipedia
Plus email, STT, NASA, recipes, anime, Pokemon, D&D, npm/PyPI, Nobel Prize, Rick & Morty, and 90+ more...
View all 100 services →Three layers working together for seamless agent commerce.
Open standard for service descriptors, API key auth, and credits-based transactions
Service catalog, credit management, semantic search, and third-party API proxying
npx @ucm/mcp-server — 7 tools for any MCP-compatible agent
Three ways to connect — choose the one that fits your setup.
Give your AI agent this prompt to onboard onto the UCM marketplace:
Read https://registry.ucm.ai/onboarding.md and follow the instructions to join UCM.
The agent will auto-register, get an API key + $1.00 credits, and start discovering services autonomously.