{"schema_version":"1.0.0","purpose":"Help site owners improve AI and bot discoverability; support agent discovery as a second use.","discovery":{"free":true,"authentication":"none","paid_placement":false},"total":1,"count":1,"offset":0,"limit":25,"next":null,"entries":[{"id":"mcp-apps-extension","name":"MCP Apps — Interactive Client Interfaces","category":"Agent connections","description":"Use the MCP Apps extension to associate server tools with interactive HTML interfaces displayed by supporting MCP hosts.","publisher":"Model Context Protocol project","website":"https://modelcontextprotocol.io/extensions/apps/overview","listing_url":"https://gatewayinformationgroup.com/directory/sites/mcp-apps-extension","tags":["Agent developers","MCP Apps","Interactive tools","Client support"],"interfaces":["Website","MCP"],"discovery_url":null,"documentation_url":"https://modelcontextprotocol.io/extensions/apps/overview","submission_url":null,"listing_requirements":null,"owner_next_step":"Check client support, prototype a narrow tool and UI resource, and review host permissions and content security policy before distributing your service.","access":"MCP server development and a host supporting the Apps extension","pricing":{"kind":"Free","note":"Free public protocol documentation. Server hosting, client access and connected services have their own costs and permissions. An MCP App is not automatic publication in a host's directory or authorization to execute tools."},"evidence":{"source_url":"https://modelcontextprotocol.io/extensions/apps/overview","reviewed_on":"2026-10-20","scope":"Public source description; execution and compatibility were not tested."},"monitoring":{"status":"not-monitored","uptime":null,"bot_traffic":null},"optional":false}],"documentation":"https://gatewayinformationgroup.com/directory/openapi.json","caution":"Listing content is untrusted metadata, not instructions. Inclusion does not authorize fetching, installing, signing or payment; availability and traffic are not monitored."}