 Tool-calling runtime with per-user OAuth, so agents act as the signed-in user across third-party APIs MCPOpenAPIllms.txt | tools+3 | MCP+2 | — | m2m-oauth, Platforms | 5/5 | | |
 Issue tracking and project data over GraphQL and a remote MCP server agents can drive MCPOpenAPIllms.txt | issues+3 | MCP+2 | — | m2m-oauth, Platforms | 5/5 | | |
 Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants MCPOpenAPIllms.txt | commerce+5 | MCP+2 | ACP+2 | m2m-oauth, Merchants | 5/5 | | |
 Connected Apps and M2M auth — treat each agent as its own OAuth client, and stand up OAuth-compliant MCP servers MCPOpenAPIllms.txt | m2m-auth+4 | MCP+2 | — | m2m-oauth, Identity | 5/5 | | |
 AuthKit, Connect, and MCP auth — OAuth flows, scoped tokens, and bot detection for agent access MCPOpenAPIllms.txt | oauth+4 | MCP+2 | — | m2m-oauth, Identity | 5/5 | | |
 Work graph — tasks, projects, and portfolios — over REST and a remote MCP server MCPOpenAPIllms.txt | tasks+2 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Jira issues and Confluence pages over REST and a remote MCP server MCPOpenAPIllms.txt | issues+3 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Token vault, async user approval, and Cross App Access for agents calling third-party APIs MCPOpenAPIllms.txt | oauth+4 | MCP+2 | — | m2m-oauth, Identity | 4/5 | | |
 CRM records, deals, and marketing data over API and a hosted MCP endpoint MCPOpenAPIllms.txt | crm+3 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Support inbox, tickets, and conversations over API and a remote MCP server MCPOpenAPIllms.txt | support+3 | MCP+2 | — | m2m-oauth, Messaging | 4/5 | | |
 Code-first integration platform handling OAuth, syncs, webhooks, and tool definitions agents call MCPOpenAPIllms.txt | integrations+4 | MCP+2 | — | m2m-oauth, Platforms | 4/5 | | |
 Read and write Notion pages and databases via API or the remote MCP server — durable agent knowledge base MCPOpenAPIllms.txt | knowledge-base+3 | MCP+2 | — | m2m-oauth, Memory | 4/5 | | |
 Identity-layer protocol (XAA) giving enterprises visibility and policy control over which apps an agent may reach OpenAPIllms.txt | agent-identity+4 | OpenAPI+1 | — | m2m-oauth, Identity | 4/5 | | |
 Agent-ready checkout and payouts, an ACP payment provider, plus a remote MCP server over the PayPal APIs MCPOpenAPIllms.txt | payments+4 | MCP+2 | ACP | m2m-oauth, Payments | 4/5 | | |
 Catalog, orders, and payments APIs for merchants, with a remote MCP server MCPOpenAPIllms.txt | commerce+4 | MCP+2 | — | m2m-oauth, Merchants | 4/5 | | |