docs/python-sdk/fastmcp-cli-deploy-state.mdx
fastmcp.cli.deploy.stateVersioned JSON state helpers for the FastMCP CLI.
state_lock <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/cli/deploy/state.py#L96" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>state_lock(directory: Path) -> Iterator[None]
Lock related CLI state changes across processes.
read_state <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/cli/deploy/state.py#L145" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>read_state(path: Path, model: type[ModelT]) -> ModelT | None
Read and validate a versioned JSON state file.
write_state <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/cli/deploy/state.py#L169" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>write_state(path: Path, data: dict[str, Any]) -> None
Write JSON through a restricted temporary file and atomic replacement.
remove_state <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/cli/deploy/state.py#L221" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>remove_state(path: Path) -> None
Remove a state file when it exists.
StateFileError <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/cli/deploy/state.py#L20" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>A CLI state file could not be read or written safely.