A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
| Score |
|---|
 Arcade.devMCPOpenAPIllms.txt Tool-calling runtime with per-user OAuth, so agents act as the signed-in user across third-party APIs | Platforms | ||
 LinearMCPOpenAPIllms.txt Issue tracking and project data over GraphQL and a remote MCP server agents can drive | Platforms | ||
 ShopifyMCPOpenAPIllms.txtACPMPPUCP Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants | Merchants | ||
 StytchMCPOpenAPIllms.txt Connected Apps and M2M auth — treat each agent as its own OAuth client, and stand up OAuth-compliant MCP servers | Identity | ||
 WorkOSMCPOpenAPIllms.txt AuthKit, Connect, and MCP auth — OAuth flows, scoped tokens, and bot detection for agent access | Identity | ||
 AsanaMCPOpenAPIllms.txt Work graph — tasks, projects, and portfolios — over REST and a remote MCP server | Platforms | ||
 Atlassian (Jira + Confluence)MCPOpenAPIllms.txt Jira issues and Confluence pages over REST and a remote MCP server | Platforms | ||
 Auth0 for GenAIMCPOpenAPIllms.txt Token vault, async user approval, and Cross App Access for agents calling third-party APIs | Identity | ||
 HubSpotMCPOpenAPIllms.txt CRM records, deals, and marketing data over API and a hosted MCP endpoint | Platforms | ||
 IntercomMCPOpenAPIllms.txt Support inbox, tickets, and conversations over API and a remote MCP server | Messaging | ||
 NangoMCPOpenAPIllms.txt Code-first integration platform handling OAuth, syncs, webhooks, and tool definitions agents call | Platforms | ||
 NotionMCPOpenAPIllms.txt Read and write Notion pages and databases via API or the remote MCP server — durable agent knowledge base | Memory | ||
 Okta Cross App AccessOpenAPIllms.txt Identity-layer protocol (XAA) giving enterprises visibility and policy control over which apps an agent may reach | Identity | ||
 PayPal Agentic CommerceMCPOpenAPIllms.txtACP Agent-ready checkout and payouts, an ACP payment provider, plus a remote MCP server over the PayPal APIs | Payments | ||
 SquareMCPOpenAPIllms.txt Catalog, orders, and payments APIs for merchants, with a remote MCP server | Merchants |
Same query as JSON: /api/v1/services?has_llms_txt=true&auth_method=m2m-oauth