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gitlab_list_cicd_variables

Retrieve CI/CD variables for a specific GitLab project using the project ID or URL-encoded path, enabling streamlined pipeline configuration and management.

Instructions

List CI/CD variables for a project

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
project_idYesThe ID or URL-encoded path of the project

Implementation Reference

  • The handler function that implements the core logic of the gitlab_list_cicd_variables tool by validating input and calling the CI/CD manager.
    /**
     * List CI/CD variables handler
     */
    export const listCiCdVariables: ToolHandler = async (params, context) => {
      const { project_id } = params.arguments || {};
      if (!project_id) {
        throw new McpError(ErrorCode.InvalidParams, 'project_id is required');
      }
      
      const data = await context.ciCdManager.listCiCdVariables(project_id as string | number);
      return formatResponse(data);
    };
  • The input schema definition specifying parameters for the gitlab_list_cicd_variables tool.
      name: 'gitlab_list_cicd_variables',
      description: 'List CI/CD variables for a project',
      inputSchema: {
        type: 'object',
        properties: {
          project_id: {
            type: 'string',
            description: 'The ID or URL-encoded path of the project'
          }
        },
        required: ['project_id']
      }
    },
  • Registration of the tool name to its handler function in the central tool registry.
    gitlab_list_cicd_variables: cicdHandlers.listCiCdVariables,
  • Import of the cicd-handlers module containing the listCiCdVariables function.
    import * as cicdHandlers from "../handlers/cicd-handlers.js";
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries full burden but only states the action without behavioral details. It lacks information on permissions required, pagination behavior, rate limits, or what the output looks like (e.g., list format, variable types). This is inadequate for a tool with potential complexity in API interactions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, direct sentence with no wasted words, efficiently conveying the core action. It is appropriately sized and front-loaded, making it easy to parse quickly.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations and no output schema, the description is incomplete. It fails to address key contextual aspects like authentication needs, response format, or error handling, which are crucial for an AI agent to use this tool effectively in a real-world scenario.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, with the single parameter 'project_id' well-documented in the schema. The description does not add any meaning beyond the schema, such as examples or constraints, but the high coverage justifies a baseline score of 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb ('List') and resource ('CI/CD variables for a project'), making the purpose unambiguous. However, it does not differentiate from sibling tools like 'gitlab_get_cicd_variable' (which retrieves a single variable) or 'gitlab_list_projects' (which lists projects instead of variables), missing explicit sibling distinction.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. It does not mention scenarios like needing to retrieve all variables versus a specific one (using gitlab_get_cicd_variable) or prerequisites such as project access, leaving usage context implied at best.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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