Variables

Project and group CI/CD variable CRUD.

Feature toggle

Opt-in. Enable via GITLAB_TOOLSETS=variables (or GITLAB_TOOLSETS=all), list individual tools in GITLAB_TOOLS=, or activate at runtime with the discover_tools MCP tool.

Tools in this group

• list_project_variables — 📖 Read-only
• get_project_variable — 📖 Read-only
• create_project_variable — ✏️ Writes
• update_project_variable — ✏️ Writes
• delete_project_variable — ✏️ Writes
• list_group_variables — 📖 Read-only
• get_group_variable — 📖 Read-only
• create_group_variable — ✏️ Writes
• update_group_variable — ✏️ Writes
• delete_group_variable — ✏️ Writes

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list_project_variables

📖 Read-only

List CI/CD variables for a project

Parameters

Parameter	Type	Required	Description
project_id	string	✓	Project ID or URL-encoded path
filter	object		Filter by environment scope (e.g. '*', 'production')
page	number		Page number for pagination (default: 1)
per_page	number		Number of items per page (max: 100, default: 20)

get_project_variable

📖 Read-only

Get a single CI/CD variable from a project

Parameters

Parameter	Type	Required	Description
project_id	string	✓	Project ID or URL-encoded path
key	string	✓	The key of the variable
filter	object		Filter by environment scope

create_project_variable

✏️ Writes

Create a CI/CD variable for a project

Parameters

Parameter	Type	Required	Description
project_id	string	✓	Project ID or URL-encoded path
key	string	✓	The key of the variable (must match /[a-zA-Z0-9_]+/)
value	string	✓	The value of the variable
variable_type	enum (env_var | file)		The type of variable: 'env_var' (default) or 'file'
protected	boolean		Whether the variable is only available on protected branches/tags
masked	boolean		Whether the variable value is masked in job logs
raw	boolean		Whether the variable is not expanded (treated as raw string)
environment_scope	string		Environment scope (e.g. '', 'production'). Default: ''
description	string		Description of the variable

update_project_variable

✏️ Writes

Update an existing CI/CD variable in a project

Parameters

Parameter	Type	Required	Description
project_id	string	✓	Project ID or URL-encoded path
key	string	✓	The key of the variable to update
value	string	✓	The new value of the variable
variable_type	enum (env_var | file)		The type of variable
protected	boolean		Whether the variable is protected
masked	boolean		Whether the variable value is masked in job logs
raw	boolean		Whether the variable is not expanded
environment_scope	string		New environment scope to assign to the variable (renames the scope, e.g. '*', 'production'). Use filter.environment_scope to identify which variable to update when multiple share the same key.
description	string		Description of the variable
filter	object		Identifies which variable to update when multiple variables share the same key across different environment scopes

delete_project_variable

✏️ Writes

Delete a CI/CD variable from a project

Parameters

Parameter	Type	Required	Description
project_id	string	✓	Project ID or URL-encoded path
key	string	✓	The key of the variable to delete
filter	object		Filter by environment scope to disambiguate when multiple variables share the same key

list_group_variables

📖 Read-only

List CI/CD variables for a group

Parameters

Parameter	Type	Required	Description
group_id	string	✓	Group ID or URL-encoded path
filter	object		Filter by environment scope (e.g. '*', 'production')
page	number		Page number for pagination (default: 1)
per_page	number		Number of items per page (max: 100, default: 20)

get_group_variable

📖 Read-only

Get a single CI/CD variable from a group

Parameters

Parameter	Type	Required	Description
group_id	string	✓	Group ID or URL-encoded path
key	string	✓	The key of the variable
filter	object		Filter by environment scope

create_group_variable

✏️ Writes

Create a CI/CD variable for a group

Parameters

Parameter	Type	Required	Description
group_id	string	✓	Group ID or URL-encoded path
key	string	✓	The key of the variable (must match /[a-zA-Z0-9_]+/)
value	string	✓	The value of the variable
variable_type	enum (env_var | file)		The type of variable: 'env_var' (default) or 'file'
protected	boolean		Whether the variable is only available on protected branches/tags
masked	boolean		Whether the variable value is masked in job logs
raw	boolean		Whether the variable is not expanded (treated as raw string)
environment_scope	string		Environment scope (e.g. '', 'production'). Default: ''
description	string		Description of the variable

update_group_variable

✏️ Writes

Update an existing CI/CD variable in a group

Parameters

Parameter	Type	Required	Description
group_id	string	✓	Group ID or URL-encoded path
key	string	✓	The key of the variable to update
value	string	✓	The new value of the variable
variable_type	enum (env_var | file)		The type of variable
protected	boolean		Whether the variable is protected
masked	boolean		Whether the variable value is masked in job logs
raw	boolean		Whether the variable is not expanded
environment_scope	string		New environment scope to assign to the variable (renames the scope, e.g. '*', 'production'). Use filter.environment_scope to identify which variable to update when multiple share the same key.
description	string		Description of the variable
filter	object		Identifies which variable to update when multiple variables share the same key across different environment scopes

delete_group_variable

✏️ Writes

Delete a CI/CD variable from a group

Parameters

Parameter	Type	Required	Description
group_id	string	✓	Group ID or URL-encoded path
key	string	✓	The key of the variable to delete
filter	object		Filter by environment scope to disambiguate when multiple variables share the same key