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GitLab MCP Server

GitLab MCP Server

by ttpears
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

Resolve Path

resolve_path
Read-onlyIdempotent

Resolves a GitLab path to a project or group, and lists group projects when applicable, so you can identify the target and browse its projects.

Instructions

Resolve a GitLab path to either a project or group and list group projects when applicable

Input Schema

NameRequiredDescriptionDefault
afterNoPagination cursor. To fetch the next page, pass the previous response pageInfo.endCursor here and repeat until pageInfo.hasNextPage is false. Paginating this way is the reliable path to complete results and accurate totals.
firstNoNumber of items to retrieve when listing group projects
fullPathYesProject or group full path (e.g., "group/subgroup/project")
userCredentialsNoYour GitLab credentials (optional — falls back to the configured env token if not provided)

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv4.0.0
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedInput schema / properties / userCredentials / anyOf
      Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "accessToken": {
-        "minLength": 1,
-        "type": "string"
-      },
-      "gitlabUrl": {
-        "format": "uri",
-        "type": "string"
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "properties": {
+      "accessToken": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "gitlabUrl": {
+        "format": "uri",
+        "type": "string"
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
  2. Changed1 schema field changedv2.2.4
    • changedInput schema / properties / after / description
      Previous value: -"Cursor for pagination"New value: +"Pagination cursor. To fetch the next page, pass the previous response pageInfo.endCursor here and repeat until pageInfo.hasNextPage is false. Paginating this way is the reliable path to complete results and accurate totals."
  3. Changed1 schema field changedv1.15.0
    • changedInput schema / properties / userCredentials / description
      Previous value: -"Your GitLab credentials (optional - uses shared token if not provided)"New value: +"Your GitLab credentials (optional — falls back to the configured env token if not provided)"
  4. First observedv1.7.3

TDQS

B3.4/5.0
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint and destructiveHint=false, so the safety profile is fully covered and the description need not repeat it. The description does add one real behavioral fact beyond annotations — that group paths trigger an accompanying project listing — but says nothing about what happens when the path does not exist or is ambiguous between project and group.

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

Conciseness4/5

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

A single sentence with no filler, and the core action is front-loaded. It is slightly over-compressed for a polymorphic tool, but nothing is redundant.

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

Completeness3/5

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

There is no output schema, so the description carries the burden of explaining what comes back. It tells the agent that group projects may be listed but not what a resolved project or group record contains, nor how the agent can tell from the response which kind of entity was matched — a meaningful gap for a tool whose whole point is disambiguation.

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 fullPath, first, after and userCredentials are already documented with examples, defaults and pagination instructions. The description adds no semantics beyond the schema, which is the expected baseline here rather than a deficiency.

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?

States a specific verb and resource: resolve a GitLab path into a project or group, and additionally list that group's projects. The dual-outcome nature is conveyed. It stops short of distinguishing itself from siblings like get_project or search_projects, so an agent must infer when path-based resolution beats ID-based lookup.

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

Usage Guidelines3/5

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

Usage is only implied: the agent gathers that this is the tool for when it holds a full path string rather than a numeric ID. There is no explicit when-to-use, no exclusion, and no pointer to alternatives such as get_project or search_projects. 'When applicable' leaves the listing condition undefined.

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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