fastmcp/docs/python-sdk/fastmcp-cli-install-shared.mdx
Jeremiah Lowin 9b248a15b3
Update repository references for transfer to prefecthq (#3207)
* Update repository references from jlowin/fastmcp to prefecthq/fastmcp

* Retrigger CI after repo transfer

* chore: Update SDK documentation

* Only run deep triage on bug issues for jlowin

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Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
2026-02-18 10:33:56 -05:00

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---
title: shared
sidebarTitle: shared
---
# `fastmcp.cli.install.shared`
Shared utilities for install commands.
## Functions
### `parse_env_var` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/cli/install/shared.py#L21" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
parse_env_var(env_var: str) -> tuple[str, str]
```
Parse environment variable string in format KEY=VALUE.
### `process_common_args` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/cli/install/shared.py#L32" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
process_common_args(server_spec: str, server_name: str | None, with_packages: list[str] | None, env_vars: list[str] | None, env_file: Path | None) -> tuple[Path, str | None, str, list[str], dict[str, str] | None]
```
Process common arguments shared by all install commands.
Handles both fastmcp.json config files and traditional file.py:object syntax.
### `open_deeplink` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/cli/install/shared.py#L148" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
open_deeplink(url: str) -> bool
```
Attempt to open a deeplink URL using the system's default handler.
**Args:**
- `url`: The deeplink URL to open.
- `expected_scheme`: The URL scheme to validate (e.g. "cursor", "goose").
**Returns:**
- True if the command succeeded, False otherwise.