Efficient MCP Server

GitLab MCP Server with progressive disclosure - 5 meta-tools, 90% token reduction

Remote serverstreamable-httpTypeScript

What is the Efficient MCP server?

Efficient MCP server is a hosted integration for AI assistants that speak the Model Context Protocol. GitLab MCP Server with progressive disclosure - 5 meta-tools, 90% token reduction.

What you get

If your agent's first turn against an MCP server costs ~20K tokens of tool definitions before you've asked anything, this fork is for you.

Setting it up

Being a remote server, there is no local install. You register the endpoint with your client, authorise it once, and the tools appear.

What the assistant can call

Once Efficient is connected, these are the calls the assistant has available:

  • Prerequisites — The Prerequisites tool exposed by this server
  • Variants — The Variants tool exposed by this server

Configuration and credentials

You will need 8 environment variables: GITLAB_PERSONAL_ACCESS_TOKEN, GITLAB_API_URL, GITLAB_PROJECT_ID, GITLAB_ALLOWED_PROJECT_IDS, GITLAB_READ_ONLY_MODE, CI_JOB_TOKEN, CI_PROJECT_ID, ENABLE_DYNAMIC_API_URL. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • A GitLab Personal Access Token with api scope (or read_api for read-only). Create one → - Node.js 18+ (for npx) or Bun 1.0+ (for bunx)

Before you rely on it

  • Your data travels to the provider's service, so the usual questions apply about what you send and what they retain.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the efficient mcp server does with a few real requests.

Choosing this one

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Efficient's toolset — Prerequisites, Variants — is a fair guide to whether it matches your workflow. It is maintained by detailobsessed; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Efficient's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
VariantsThe Variants tool exposed by this server.

How to install the Efficient MCP server

{
  "mcpServers": {
    "gitlab": {
      "command": "npx",
      "args": ["efficient-gitlab-mcp-server@latest"],
      "env": {
        "GITLAB_PERSONAL_ACCESS_TOKEN": "glpat-xxxxxxxxxxxxxxxxxxxx",
        "GITLAB_API_URL": "https://gitlab.com"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • A GitLab Personal Access Token with api scope (or read_api for read-only). Create one → - Node.js 18+ (for npx) or Bun 1.0+ (for bunx)
VariableDescriptionRequired
GITLAB_PERSONAL_ACCESS_TOKENCredential the server authenticates with.Yes
GITLAB_API_URLEndpoint or connection string the server talks to.Yes
GITLAB_PROJECT_IDConfiguration value read at startup.Optional
GITLAB_ALLOWED_PROJECT_IDSConfiguration value read at startup.Optional
GITLAB_READ_ONLY_MODEConfiguration value read at startup.Optional
CI_JOB_TOKENCredential the server authenticates with.Yes
CI_PROJECT_IDConfiguration value read at startup.Optional
ENABLE_DYNAMIC_API_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • Use Efficient to Prerequisites.
  • Use Efficient to Variants.

Frequently asked questions

It connects Efficient to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Prerequisites, Variants) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Efficient directly.