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Get Job Log Tool

get_job_log_tool
Read-only

Retrieve the trace log for a GitLab CI/CD job using its project ID or path and job ID to inspect build output and diagnose failures.

Instructions

Get the log (trace) output of a CI/CD job.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "project_id": "<project_id>",
      "job_id": "<job_id>"
    },
    "name": "get_job_log_tool"
  }
}

Input Schema

NameRequiredDescriptionDefault
job_idYesJob ID
project_idYesProject ID or path

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.6.0
    • addedInput schema / properties / job_id / minimum
      Added value: +1
  2. First observedv0.4.1

TDQS

B3.4/5.0
Behavior3/5

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

The readOnlyHint=true annotation already establishes that this is a safe read operation. The description adds useful context that the output is log/trace data for a CI/CD job, but it does not disclose truncation behavior, log size limits, or streaming characteristics.

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?

A single concise sentence with no wasted words, and the purpose is front-loaded immediately.

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

Completeness4/5

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

Given the simple two-parameter read operation, existing annotations, and an output schema, the description is nearly complete. A minor gap is that it does not point to how to obtain a job_id or clarify log truncation behavior.

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%, so both parameters (job_id and project_id) are already documented in the schema. The description adds no additional parameter-level semantics or format details beyond what the schema provides.

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 states a specific verb and resource: get the log (trace) output of a CI/CD job. This is clear enough for an agent to understand the operation, though it does not explicitly distinguish it from nearby siblings like list_pipeline_jobs_tool or get_pipeline_tool.

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 gives no guidance on when to use this tool versus alternatives, nor does it mention prerequisites such as needing a job_id from list_pipeline_jobs_tool. Usage is only implied by the tool name and schema.

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