MCP Comparison · 2026
Coolify vs Fly.io MCP Server
Comparing Coolify and Fly.io as MCP servers? Coolify (manage self-hosted coolify deployments) is best when deploying to your own vps from an agent. Fly.io (manage fly.io hosting) is best when local flyctl users who want agent access. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Coolify | Fly.io | |
|---|---|---|
| Primary function | Manage Self-Hosted Coolify Deployments | Manage Fly.io Hosting |
| Maintainer | Community (wrediam) | Fly.io |
| Pricing | Open source | Freemium |
| Setup complexity | Medium · ~10 min | Medium · ~5 min |
| Transport | stdio | Streamable HTTP, SSE |
| Auth model | API key | API key |
| License | MIT | Apache-2.0 |
| Language | TypeScript | Go |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Coolify v4 instances | Claude, Cursor, VS Code, Zed, Neovim, Windsurf, Fly.io accounts |
| Last verified | 2026-09-17 | 2026-08-19 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Coolify
- Deploying to your own VPS from an agent
- Creating apps from a Dockerfile or Compose file
- Restarting and reading logs without SSH
Choose Fly.io
- Local flyctl users who want agent access
- Managing Fly Machines from chat
- Deploys, scaling, secret rotation
Pick something else if…
- Teams with no server to run Coolify on
- Remote-only or team deployments (no hosted MCP)
Feature breakdown
Key capabilities each server ships out of the box.
Coolify
- Full v4 API coverage
- Five application source types including Docker Compose
- Lifecycle and log tools
- Points at infrastructure you own
- MIT
Fly.io
- Built into flyctl — no separate install
- HTTP transport on port 8080 (configurable)
- SSE + streaming modes available
- Auto-config flags for Claude, Cursor, VS Code, Zed, Neovim, Windsurf
- `fly mcp inspector` for debugging
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Coolify vs Fly.io: which MCP server should I use?
Pick Coolify when deploying to your own vps from an agent. Pick Fly.io when local flyctl users who want agent access. Coolify is built for manage self-hosted coolify deployments, while Fly.io focuses on manage fly.io hosting.
Can I run both Coolify and Fly.io together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Coolify's last verification: 2026-09-17. Fly.io's last verification: 2026-08-19. We refresh detail-page facts on every catalog rebuild.
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