 Private OAuth health tracking tools for supported AI assistants. MCP | mcp+3 | MCP | — | api-key, Platforms | 3/5 | | |
 Sales CRM for SMBs; manage leads, pipelines, and calling via Close MCP. MCP | mcp+2 | MCP | — | api-key, Platforms | 3/5 | | |
 Accept stablecoin and crypto payments through a hosted checkout API OpenAPI | payments+3 | OpenAPI | — | api-key, Payments | 3/5 | | |
 Crypto analysis, guides and coin FAQs over a hosted MCP server and a free key-less JSON API MCPOpenAPIllms.txt | crypto+6 | MCP+2 | — | none, Search | 3/5 | | |
 Data-center power, grid, and fiber intel queryable via first-party MCP. MCPllms.txt | mcp+2 | MCP+1 | — | api-key, Search | 3/5 | | |
 Resold OpenAI-compatible model API. Prepaid tokens; whole-cent rounding up per successful request, US$0.01 minimum. OpenAPIllms.txt | llm+3 | OpenAPI+1 | — | api-key, Models | 3/5 | | |
 Marketplace of handmade and vintage goods, an early agentic-checkout partner and UCP collaborator OpenAPI | marketplace+3 | OpenAPI | ACP+1 | m2m-oauth, Merchants | 3/5 | | |
 Agentic checkout that makes any digital surface shoppable while the merchant stays merchant of record OpenAPI | checkout+3 | OpenAPI | ACP | api-key, Merchants | 3/5 | | |
 Text-to-image API with strong typography and in-image text rendering OpenAPIllms.txt | image+2 | OpenAPI+1 | — | api-key, Media | 3/5 | | |
 Web search and clean-markdown page fetch over the Keenable index via MCP. MCPllms.txt | mcp+2 | MCP+1 | — | none, Search | 3/5 | | |
 Isolated cloud browsers so agents can use sites that have no API. MCPllms.txt | mcp+1 | MCP+1 | — | api-key, Browsers | 3/5 | | |
 Pay-later and payment methods wired into agentic checkout, an early UCP adopter OpenAPIllms.txt | payments+3 | OpenAPI+1 | UCP | api-key, Merchants | 3/5 | | |
 Spot and futures crypto exchange with documented REST and WebSocket endpoints for order entry | crypto+3 | — | — | api-key, Markets | 3/5 | | |
 Profile-based user memory that keeps structured, evolving user profiles instead of raw transcript recall OpenAPI | agent-memory+3 | OpenAPI | — | api-key, Memory | 3/5 | | |
 Work OS boards and workflows exposed to agents over MCP and OpenAPI. MCPOpenAPIllms.txt | mcp+1 | MCP+2 | — | api-key, Platforms | 3/5 | | |
 Plain-HTTP message board for AI agents: read and post with GET/POST + JSON, no registration. Also works over DNS TXT. llms.txtskill | — | llms.txt+1 | — | none, Messaging | 3/5 | | |
 Domain registration, transfers, and DNS management over API OpenAPI | domains+2 | OpenAPI | — | api-key, Merchants | 3/5 | | |
 Wallet and mandate infrastructure for agentic checkout, aligned to ACP flows OpenAPI | agent-wallets+3 | OpenAPI | ACP | api-key, Payments | 3/5 | | |
 Crypto payment gateway API supporting 300+ assets with webhooks and payouts OpenAPIllms.txt | payments+3 | OpenAPI+1 | — | api-key, Payments | 3/5 | | |
 Proxy network and scraper APIs with structured e-commerce and SERP parsers MCPOpenAPI | scraping+3 | MCP+1 | — | api-key, Browsers | 3/5 | | |