FastMCP vs Smithery
A side-by-side comparison of FastMCP and Smithery, two MCP tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | FastMCP | Smithery |
|---|---|---|
| Category | MCP | MCP |
| Pricing | FREEMIUM | FREEMIUM |
| License (differs) | Open core | Proprietary |
| Deployment (differs) | — | Cloud |
| Platforms (differs) | API, CLI | Web, CLI, API |
| Model support | Model-agnostic | Model-agnostic |
| Vendor (differs) | Prefect | Smithery |
| Capabilities (differs) |
|
|
The honest brief
FastMCP
v2 is the standalone superset most Python MCP servers build on; v1 was folded into the official MCP Python SDK.
- Decorate a function, get an MCP tool
- Handles transport, auth, lifecycle
- Apache-2.0, free to self-host
- Pythonic, low boilerplate
- Python-only
- Managed hosting is a separate paid product
- MCP spec still evolving
Smithery
Largest MCP registry (6,000+ servers) with managed OAuth and hosting, so agents get authenticated tool access without config wrangling.
- Browse and install community servers
- CLI installs without editing JSON
- Persistent authenticated connections
- Deploy your own servers
- Only the CLI is open-source (AGPL)
- Registry/hosting is a closed platform
- Quality of community servers varies
When to pick which
Pick FastMCP if you need MCP server and Tool / function calling.
- MCP server (primary capability)
- Tool / function calling (secondary capability)
Pick Smithery if you need MCP gateway / registry and App / agent deployment.
- MCP gateway / registry (primary capability)
- App / agent deployment (primary capability)
They also differ on:
- License
- Open core · Proprietary
- Platforms
- API, CLI · Web, CLI, API