# Hype Star > Startup directory at https://hypestar.org — browse free, premium listings, optional front-page featured placement. Please add a visible link back to https://hypestar.org on your site when you list. ## Connect - JSON API: https://hypestar.org/api/v1/ - OpenAPI: https://hypestar.org/openapi.json - MCP (stateless 2026-07-28 Streamable HTTP): https://hypestar.org/api/mcp - MCP alias: https://hypestar.org/mcp - Agent guide: https://hypestar.org/docs is not public HTML; see this file + OpenAPI - AI plugin: https://hypestar.org/.well-known/ai-plugin.json ## MCP notes - Protocol: 2026-07-28, **stateless** (no initialize, no Mcp-Session-Id) - Required headers: MCP-Protocol-Version, Mcp-Method; Mcp-Name for tools/call and prompts/get - Methods: server/discover, tools/list, tools/call, prompts/list, prompts/get, ping - Tools: catalog.list, listing.create, checkout.create, listing.set_reciprocal, pricing.list - Prompt: reciprocal_link ## SKUs - listing_2y — $15 — 2-year directory listing - listing_5y — $20 — 5-year directory listing - boost_30d — $50 — 30-day front-page feature (needs active listing) ## Quick JSON flow 1. GET /api/v1/catalog 2. POST /api/v1/listings { "url", "email", "reciprocalLinkUrl?" } 3. POST /api/v1/checkout { "startupId", "sku", "email", "provider?": "stripe"|"xmoney" } 4. PATCH /api/v1/listings { "startupId", "reciprocalLinkUrl" } ## Public pages - https://hypestar.org/ - https://hypestar.org/categories - https://hypestar.org/submit - https://hypestar.org/rules - https://hypestar.org/sitemap.xml