fly.io publishes an Agentic Resource Discovery manifest at /.well-known/ai-catalog.json, declaring what an AI agent can call on this domain. Everything below is read from that file. First seen by our crawler on 31 August 2026.
| Declared resource | Type |
|---|---|
| Sprites MCP serverauth required Create Sprites, run commands in them, manage services, checkpoints, and network policy. endpoint: https://sprites.dev/mcpidentifier: urn:air:fly.io:mcp:spritespublished to be found for: give my agent a Linux machine to work in · run this test suite somewhere other than my laptop · snapshot the filesystem before the agent changes it · keep a dev server running between sessions | application/mcp-server+json |
| Fly.io Machines APIanswers in 197ms REST API for creating, starting, stopping, and destroying Fly Machines. endpoint: https://docs.machines.dev/openapi.jsonidentifier: urn:air:fly.io:openapi:machinespublished to be found for: create a virtual machine programmatically · start and stop a Fly Machine over HTTP · deploy a container to multiple regions | application/json |
| Fly.io agent skillsanswers in 51ms Skill documents describing how to use Fly.io and Sprites. endpoint: https://fly.io/.well-known/agent-skills/index.jsonidentifier: urn:air:fly.io:skills:indexpublished to be found for: how do I create a Sprite · how do I call the Fly.io Machines API | application/json |
https://fly.io/.well-known/ai-catalog.json, this publisher's own file. Identifiers are reproduced exactly as published.
Note: this is the pre-v0.91 path. The specification renamed the manifest to /.well-known/ard.json, and most of the ecosystem still serves the older name.
Of the resources listed, 3 have been probed for reachability.
"Answers" and "no response" describe only whether an endpoint replied when last probed:
services go down and come back, and an entry is demoted rather than removed. None of this
is a trust, quality or safety rating.
https://neuronto.com/search, or connect an agent to https://neuronto.com/mcp.
If this is your domain, the free console shows what a registry
sees when it reads your manifest.