Ftl FAQs

Question 1

What is Ftl and what problem does it solve?

Accepted Answer

Ftl (Faster Tools) is an open-source framework and CLI designed to build and run fast, secure, and portable polyglot Model Context Protocol (MCP) servers for AI agents. It addresses the need for secure, high-performance, and interoperable tooling in AI ecosystems.

Question 2

Where can Ftl applications be deployed?

Accepted Answer

Ftl applications can be deployed to any host compatible with Spin/Wasmtime. For production-grade, globally distributed edge deployments, users can also utilize the optional FTL Engine managed platform.

Question 3

How does Ftl ensure performance and security?

Accepted Answer

Ftl leverages WebAssembly (WASM) and the Component Model for secure, sandboxed execution with sub-millisecond cold starts and near-native performance. Each tool runs in an isolated WASM sandbox.

Question 4

What is the Model Context Protocol (MCP) and how does Ftl support it?

Accepted Answer

The Model Context Protocol (MCP) is an open standard for AI agent tooling. Ftl provides out-of-the-box support for MCP, including Streamable HTTP and spec-compliant Authorization, ensuring seamless interaction with various AI clients.

Question 5

Which programming languages does Ftl support?

Accepted Answer

Ftl is polyglot by design, offering SDKs for Python, Rust, TypeScript, and Go. This allows developers to compose tools written in different languages into a single MCP server.

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