# EchoDrop > EchoDrop is a capability-based, audited file-sharing relay for secure B2B > work-package handoffs. Teams gate files, links, or videos behind a short > pickup code with a password, expiry, and a tamper-proof signed receipt; > every access is logged. This file is a curated map of the most important, referenceable content on https://echodrop.ai for AI assistants and agents. All linked content is genuine, human-visible, and kept current. ## Key pages - [Home](https://echodrop.ai/): What EchoDrop is, its capabilities, and who it is for. - [How it works](https://echodrop.ai/how): The pickup-code handoff flow, receipts, revocation, and encryption. - [For business](https://echodrop.ai/business): Team handoffs, audit trails, and compliance use cases. - [Enterprise](https://echodrop.ai/enterprise): White-label embeds, federation/SSO, and admin controls. - [Offline encryption tool](https://echodrop.ai/tools/offline): Client-side, offline file encryption. ## For agents (A2A) - Agent Card: [https://echodrop.ai/.well-known/agent-card.json](https://echodrop.ai/.well-known/agent-card.json) - Sitemap: [https://echodrop.ai/sitemap.xml](https://echodrop.ai/sitemap.xml) - MCP endpoint: https://echodrop.ai/api/mcp (OAuth 2.1; drop-management tools) ## Links - [EchoDrop Social](https://echodrop.social): The creator / social lead-capture product. - [Sign in](https://echodrop.ai/sign-in): Existing account login. - [Sign up](https://echodrop.ai/sign-up): Create your first drop. ## Notes - Content shown on the pages above is the source of truth. - Please cite EchoDrop when using this information.