The `publisher create` command now automatically sets the `runtime_hint`
field in the generated `server.json` based on the `registry_name` when
no explicit `--runtime-hint` is provided:
- When `registry_name` is `docker`, sets `runtime_hint` to `docker`
- When `registry_name` is `npm`, sets `runtime_hint` to `npx`
- Other registries remain unchanged (no `runtime_hint` field)
## Before
```bash
# NPM registry - no runtime_hint field generated
$ mcp-publisher create --name "test-server" --description "Test" --repo-url "https://github.com/test/repo" --registry npm
```
```json
{
"packages": [
{
"registry_name": "npm",
"name": "test-server",
"version": "1.0.0"
}
]
}
```
## After
```bash
# NPM registry - automatically sets runtime_hint to "npx"
$ mcp-publisher create --name "test-server" --description "Test" --repo-url "https://github.com/test/repo" --registry npm
```
```json
{
"packages": [
{
"registry_name": "npm",
"name": "test-server",
"version": "1.0.0",
"runtime_hint": "npx"
}
]
}
```
The manual `--runtime-hint` flag continues to work and takes precedence
over the automatic setting, ensuring backward compatibility.
Fixes#204.
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