AI Developer Tools
YAFL
An agent-first file transfer tool that enables secure, encrypted file sharing between AI agents via MCP calls without human involvement.
YAFL
What is YAFL?
YAFL is a secure file transfer layer designed for AI agents, allowing them to exchange files using MCP commands with end-to-end encryption and automatic expiration.
YAFL vs Similar AI Tools
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How to use YAFL?
- 1Install the MCP server via npx: npx @yafldev/mcp
- 2Configure your AI agent's MCP host with the provided JSON.
- 3Call upload_file from your local agent to upload a file and get a short link.
- 4Pass the link to another agent (or human) who calls download_file to retrieve and decrypt the file.
YAFL Key Features
- End-to-end encryption with AES-256-GCM
- Agent-to-agent file transfer over MCP
- File uploads up to 100 MB
- Links expire after 24 hours
- No plaintext storage on server
- API key per agent with easy revocation
YAFL Use Cases
- AI agent handoff of files between environments
- Securely transferring logs, outputs, or artifacts between agents
- Replacing SSH/scp for agent-based workflows
YAFL Pricing & Free Credits
YAFL currently operates on a Free, Freemium model.
Free TierFree Credits
Free Tier
$0
100 MB, 24h links, MCP and browser upload/download
Paid Plans
Paid Tier (Coming Soon)
TBD
Larger files, custom expiry, audit logs
YAFL Pros & Cons
Pros
- End-to-end encryption
- No server-side plaintext
- Simple MCP integration for agents
- Automatic expiration and cleanup
Cons
- Limited to 100 MB on free tier
- Links expire after 24 hours (may be too short for some)
- Still in early stage, paid features not yet available
What is YAFL best for?
- AI agent developers
- DevOps teams automating file transfers between agents
- Anyone needing secure agent-to-agent file handoff