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Gitlab MCP Server

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Hybrid

GitLab Execute Action

gitlab_execute_action
Destructive

Execute a GitLab action by canonical ID or alias, passing params as an object. Destructive operations require explicit confirm approval.

Instructions

Execute one GitLab catalog action by canonical ID or alias. Always pass params as an object. Destructive actions require top-level confirm=true. Use find first only when action or params are unclear.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
actionYesCanonical action ID returned by gitlab_find_action, or a supported compatibility alias, such as project.list, issue.update, or issue.close.
paramsYesRequired action-specific parameters object validated by the selected action schema. Use an empty object for actions with no parameters.
confirmNoSet top-level confirm=true to explicitly approve destructive actions. Do not put confirm inside params for gitlab_execute_action.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
next_stepsNoOptional. Suggested follow-up actions or tool calls for the LLM, contextual to the result.
paginationNoPresent on list actions. Use `has_more` and `next_page` to paginate through results.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv3.0.0
    • changedInput schema / properties / confirm / description
      Previous value: -"Set top-level confirm=true to explicitly approve destructive actions; do not put confirm inside params for gitlab_execute_action."New value: +"Set top-level confirm=true to explicitly approve destructive actions. Do not put confirm inside params for gitlab_execute_action."
  2. Changed1 schema field changedv2.7.5
    • changedInput schema / properties / action / x-mcp-header
      Previous value: -"Mcp-Param-Action"New value: +"Action"
  3. Addedv2.6.0
  4. Removedv2.5.2
  5. Addedv2.1.3

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already indicate destructiveHint=true and readOnlyHint=false, but the description adds an important behavioral requirement: destructive actions require top-level confirm=true. It also signals that the tool is general-purpose by saying 'one GitLab catalog action,' which helps set expectations versus a specialized tool.

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?

Three short sentences: the first states the core function, the second gives a required parameter convention, and the third gives the key safety and routing rule. Every sentence contributes new, actionable information with no filler.

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

Completeness5/5

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

For a generic action-executor with an open-world catalog, the description provides full operational context: how to identify actions, how to pass parameters, how to handle destructive actions, and when to fall back to the sibling discovery tool. The output schema covers return-value expectations, so nothing critical is missing.

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 coverage is 100%, so the schema already documents action, params, and confirm with clear descriptions. The description mostly restates these constraints ('Always pass params as an object', confirm requirement) rather than adding new parameter semantics, but it does reinforce the canonical-vs-alias action concept.

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

Purpose5/5

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

The description opens with a specific verb and resource: 'Execute one GitLab catalog action by canonical ID or alias.' It also names the sibling relationship indirectly by saying to use find first when actions are unclear, which distinguishes this execution tool from gitlab_find_action.

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

Usage Guidelines5/5

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

The description gives explicit usage rules: pass params as an object, set top-level confirm=true for destructive actions, and use find first only when action or params are unclear. This gives an agent clear decision criteria for when to call this tool versus gitlab_find_action.

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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