{"ok":true,"source":"tensorfeed.ai","lastUpdated":"2026-04-30","count":12,"marketplaces":[{"id":"gpt-store","name":"GPT Store","vendor":"OpenAI","category":"gpts","itemCount":"3M+","monetization":"Revenue share for top creators (US-only); free for users with ChatGPT Plus","publishingModel":"open","hasAPI":false,"notableItems":["Custom GPTs","Education","Productivity","Research","Programming"],"url":"https://chatgpt.com/gpts","notes":"OpenAI's GPT marketplace. 3M+ GPTs published; revenue-share program for top US creators. No public API for discovery (browser-only)."},{"id":"claude-skills","name":"Claude Skills","vendor":"Anthropic","category":"skills","itemCount":"500+","monetization":"Free for users with Claude.ai paid plan; no marketplace fees","publishingModel":"curated","hasAPI":true,"notableItems":["Excel automation","PDF processing","Code review","Data analysis"],"url":"https://claude.ai/skills","notes":"Anthropic's official skill marketplace for Claude. Skills are bundled prompt + tool sets that extend Claude's capabilities. Curated; growing fast."},{"id":"huggingface-spaces","name":"Hugging Face Spaces","vendor":"Hugging Face","category":"spaces","itemCount":"500k+","monetization":"Free; ZeroGPU for community demos; HF Pro for private Spaces","publishingModel":"open","hasAPI":true,"notableItems":["Model demos","Eval leaderboards","Gradio apps","Fine-tune trainers"],"url":"https://huggingface.co/spaces","notes":"The largest open AI demo marketplace. Most models on HF have an associated Space showcasing capability. API-discoverable; powers many embedded model demos."},{"id":"huggingface-models","name":"Hugging Face Models","vendor":"Hugging Face","category":"models","itemCount":"1.5M+","monetization":"Free hosting; HF Inference Endpoints + Pro for compute","publishingModel":"open","hasAPI":true,"notableItems":["Fine-tunes","Open weights","Quantized variants","LoRA adapters"],"url":"https://huggingface.co/models","notes":"The de facto open AI model registry. Anyone can publish; the central hub the entire open-source ML community indexes against. API-discoverable."},{"id":"replicate","name":"Replicate","vendor":"Replicate","category":"models","itemCount":"40k+","monetization":"Pay-per-second of GPU; revenue share for model owners","publishingModel":"open","hasAPI":true,"notableItems":["Image generation","Video models","Voice / TTS","LoRA fine-tunes"],"url":"https://replicate.com","notes":"API-first model marketplace. Per-second GPU billing. Strongest visual / generative model selection (FLUX, SDXL, Veo derivatives, Suno-likes)."},{"id":"mcp-registry","name":"MCP Server Registry","vendor":"Model Context Protocol","category":"mcp","itemCount":"12k+","monetization":"Free; open standard","publishingModel":"open","hasAPI":true,"notableItems":["Filesystem servers","Search","Browser","Database","SaaS integrations"],"url":"https://registry.modelcontextprotocol.io","notes":"Official MCP registry. Open submission; growing rapidly. TensorFeed snapshots daily; live count and growth at /api/mcp/registry/snapshot."},{"id":"crew-ai-marketplace","name":"CrewAI Marketplace","vendor":"crewAI Inc.","category":"agents","itemCount":"500+","monetization":"Pay-per-execution for some crews; free crews available","publishingModel":"open","hasAPI":false,"notableItems":["Marketing crews","Research crews","Sales crews","Engineering crews"],"url":"https://www.crewai.com","notes":"Marketplace of pre-built CrewAI agent crews. Browse by use-case; install with one command. The strongest framework-native agent marketplace in 2026."},{"id":"apify-store","name":"Apify Store","vendor":"Apify","category":"agents","itemCount":"4500+","monetization":"Pay-per-run; revenue share for actor authors","publishingModel":"open","hasAPI":true,"notableItems":["Web scrapers","Data extraction","Browser automation","Site-specific actors"],"url":"https://apify.com/store","notes":"Marketplace of pre-built scraping / automation actors. The strongest pre-built solution for \"I need to scrape X named site\" without writing code."},{"id":"replit-agents","name":"Replit Agent Templates","vendor":"Replit","category":"workflows","itemCount":"~200","monetization":"Free templates; bundled with Replit subscription","publishingModel":"curated","hasAPI":false,"notableItems":["Full-stack apps","AI-generated UIs","Agent workflows","Saas starters"],"url":"https://replit.com/agent","notes":"Curated agent-built templates. Replit Agent generates full-stack applications; templates are pre-vetted starting points."},{"id":"vercel-marketplace","name":"Vercel AI Marketplace","vendor":"Vercel","category":"plugins","itemCount":"~50","monetization":"Bundled with Vercel deployments; some integrations charge separately","publishingModel":"curated","hasAPI":false,"notableItems":["AI SDK templates","Vector store integrations","Model providers","Auth + email"],"url":"https://vercel.com/marketplace/ai","notes":"Curated integration marketplace for Vercel AI SDK projects. Smaller than HF Spaces but TS-first and tightly integrated with Next.js stacks."},{"id":"agent-zero","name":"Agent.ai","vendor":"HubSpot (Dharmesh Shah)","category":"agents","itemCount":"1k+","monetization":"Free directory; some agents paid","publishingModel":"open","hasAPI":false,"notableItems":["Marketing automation","Sales enablement","Lead generation","Customer support"],"url":"https://agent.ai","notes":"Cross-platform AI agent directory built by Dharmesh Shah. Discovers agents across many platforms; growing community of indie agent builders."},{"id":"glama-mcp","name":"Glama MCP Marketplace","vendor":"Glama","category":"mcp","itemCount":"6k+","monetization":"Free directory + paid hosted MCP servers","publishingModel":"open","hasAPI":true,"notableItems":["MCP servers","Hosted MCP runtime","Server analytics"],"url":"https://glama.ai/mcp/servers","notes":"Third-party MCP server marketplace. Hosts servers on Glama infra so users do not need to run them locally. Useful for browser-based agents that cannot run stdio servers."}]}