SDK
MCP SDK vs hosted MCP endpoint
People search for MCP SDK when they usually mean one of two things: code they can run themselves, or an endpoint their agent can call right now. Those are different jobs. Astrail tries to make both paths feel connected.
Hosted endpoint first
A hosted MCP endpoint is the fastest way to test whether an agent can use a tool. You generate or install the server, connect the endpoint, and watch calls, errors, and auth behavior from one console.
This is useful for teams that want less deployment work. The endpoint gives product people, engineers, and operators one shared surface for what the agent can do.
SDK when you need ownership
An SDK is better when your team wants code in its own repo, CI, tests, docs, and a deployment target it controls. SDKs are also helpful when you need to integrate generated tools into a larger internal platform.
Astrail treats SDK export as a companion to the hosted endpoint. The same server can produce docs, client snippets, eval tasks, and package-ready code.
The practical answer
Start hosted when you are proving the workflow. Export an SDK when the tool becomes part of your product or internal platform. Keep the endpoint map and evals connected so the agent behavior does not drift away from the API.
That is the cleanest path from prototype to production: test fast, then own the code when the shape is clear.
FAQ
Does an MCP SDK replace a hosted endpoint?
Not always. A hosted endpoint is faster to use. An SDK is better when your team needs code ownership, custom deployment, and CI.
Can Astrail export SDKs?
Yes. Astrail can export SDK-style bundles, docs, tests, manifests, and runtime snippets from hosted MCP servers.