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mcp-gitlab-workflow

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GitLab MCP: supports creating issues from requirements or modifying code and submitting merge requests from existing issues, while also providing a set of atomic GitLab API tools for issue-driven development. 🚀 | GitLab MCP：支持基于需求创建 Issue，或基于现有 Issue 修改代码并提交 MR，同时提供一系列 GitLab API 原子化操作能力，面向 Issue 开发。

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# mcp-gitlab-workflow

[English](./README.md) | [简体中文](./README.zh-CN.md)

`mcp-gitlab-workflow` is an MCP server for issue-driven GitLab development.

It can take a requirement or an existing GitLab issue and drive a standardized delivery flow: requirement analysis, issue creation, branching, coding, merge request creation, and issue updates. It also provides a set of atomic GitLab API tools for custom orchestration and fine-grained control.

## 1. Core Capabilities

- `workflow_*`: higher-level tools that package common requirement-to-delivery flows into a single tool call
- `gitlab_*`: atomic GitLab API tools for custom orchestration and fine-grained control

Target projects for issues and code delivery are configured with `WORKFLOW_ISSUE_PROJECT_ID` and `WORKFLOW_CODE_PROJECT_ID`. See the environment variable section below for the full configuration matrix.

### Workflow Tools

- `workflow_requirement_to_issue`: analyze a requirement and create a GitLab issue
- `workflow_review_mr_post_comment`: review a target merge request and post a review comment
- `workflow_issue_to_delivery`: start from an existing issue and complete branch -> code change -> MR -> issue comment -> issue log
- `workflow_requirement_to_delivery`: run the full end-to-end flow from a requirement

### Atomic GitLab Tools

Issue tools fall back to `WORKFLOW_ISSUE_PROJECT_ID` by default, while code and merge request tools fall back to `WORKFLOW_CODE_PROJECT_ID`.

- Users and labels: `gitlab_get_current_user`, `gitlab_list_labels`, `gitlab_create_label`, `gitlab_update_label`, `gitlab_delete_label`
- Issues: `gitlab_create_issue`, `gitlab_get_issue`, `gitlab_get_issue_notes`, `gitlab_add_issue_comment`, `gitlab_get_issue_images`
- Repository: `gitlab_create_branch`, `gitlab_get_file`, `gitlab_commit_files`, `gitlab_upload_project_file`
- Merge requests: `gitlab_get_merge_request`, `gitlab_get_mr_notes`, `gitlab_create_merge_request`, `gitlab_create_mr_note`, `gitlab_get_mr_changes`, `gitlab_approve_mr`, `gitlab_unapprove_mr`

## 2. Example

Using `workflow_requirement_to_delivery` as an example, it is best to explicitly name the tool in your prompt or wrap it in a higher-level custom instruction / skill so the LLM can reliably choose the intended workflow.

### Input

`Use workflow_requirement_to_delivery to add a forum interaction feature`

### Result

The workflow can automatically complete the flow below:

`requirement analysis -> issue creation -> branch -> code change -> MR -> issue update`

![image-1](https://raw.githubusercontent.com/chntif/mcp-gitlab-workflow/main/assets/image-1.png)

#### (1) Issue creation

![Issue creation](https://raw.githubusercontent.com/chntif/mcp-gitlab-workflow/main/assets/image-2.png)

#### (2) Code changes and MR submission based on the issue

![MR](https://raw.githubusercontent.com/chntif/mcp-gitlab-workflow/main/assets/image-3.png)

#### (3) Issue comment

![Issue comment](https://raw.githubusercontent.com/chntif/mcp-gitlab-workflow/main/assets/image-4.png)

#### (4) Local `issue-log.md`

![issue-log.md](https://raw.githubusercontent.com/chntif/mcp-gitlab-workflow/main/assets/image-5.png)

With this workflow, a developer can hand a requirement or an assigned issue directly to an agent and let it complete the full development flow in an issue-driven way.

## 3. Configuration

### 3.1 NPX

```json
{
  "mcpServers": {
    "gitlab-workflow": {
      "command": "npx",
      "args": ["-y", "@chntif/mcp-gitlab-workflow"],
      "env": {
        "GITLAB_TOKEN": "YOUR_TOKEN",
        "GITLAB_API_BASE_URL": "https://gitlab.com/api/v4",
        "WORKFLOW_ISSUE_PROJECT_ID": "82346102",
        "WORKFLOW_ISSUE_PROJECT_PATH": "tchen1690/test",
        "WORKFLOW_CODE_PROJECT_ID": "82346102",
        "WORKFLOW_CODE_PROJECT_PATH": "tchen1690/test",
        "WORKFLOW_BASE_BRANCH": "develop",
        "WORKFLOW_TARGET_BRANCH": "develop",
        "WORKFLOW_LOCAL_REMOTE_NAME": "origin"
      }
    }
  }
}
```

### 3.2 Codex

#### (1) Add from the terminal

```bash
codex mcp add gitlab-workflow \
  --env GITLAB_TOKEN=YOUR_TOKEN \
  --env GITLAB_API_BASE_URL=https://gitlab.com/api/v4 \
  --env WORKFLOW_ISSUE_PROJECT_ID=80376102 \
  --env WORKFLOW_ISSUE_PROJECT_PATH=tchen1690/test \
  --env WORKFLOW_CODE_PROJECT_ID=80376102 \
  --env WORKFLOW_CODE_PROJECT_PATH=tchen1690/test \
  --env WORKFLOW_BASE_BRANCH=develop \
  --env WORKFLOW_TARGET_BRANCH=develop \
  --env WORKFLOW_LOCAL_REMOTE_NAME=origin \
  -- npx -y @chntif/mcp-gitlab-workflow
```

#### (2) Or add it to `config.toml`

```toml
[mcp_servers.gitlab-workflow]
command = "npx"
args = ["-y", "@chntif/mcp-gitlab-workflow"]

[mcp_servers.gitlab-workflow.env]
GITLAB_TOKEN = "YOUR_TOKEN"
GITLAB_API_BASE_URL = "https://gitlab.com/api/v4"
WORKFLOW_ISSUE_PROJECT_ID = "80376102"
WORKFLOW_ISSUE_PROJECT_PATH = "tchen1690/test"
WORKFLOW_CODE_PROJECT_ID = "80376102"
WORKFLOW_CODE_PROJECT_PATH = "tchen1690/test"
WORKFLOW_BASE_BRANCH = "develop"
WORKFLOW_TARGET_BRANCH = "develop"
WORKFLOW_LOCAL_REMOTE_NAME = "origin"
```

### 3.3 Claude Code

```bash
claude mcp add gitlab-workflow \
  -e GITLAB_TOKEN=YOUR_TOKEN \
  -e GITLAB_API_BASE_URL=https://gitlab.com/api/v4 \
  -e WORKFLOW_ISSUE_PROJECT_ID=80376102 \
  -e WORKFLOW_ISSUE_PROJECT_PATH=tchen1690/test \
  -e WORKFLOW_CODE_PROJECT_ID=80376102 \
  -e WORKFLOW_CODE_PROJECT_PATH=tchen1690/test \
  -e WORKFLOW_BASE_BRANCH=develop \
  -e WORKFLOW_TARGET_BRANCH=develop \
  -e WORKFLOW_LOCAL_REMOTE_NAME=origin \
  -- npx -y @chntif/mcp-gitlab-workflow
```

You can also directly write the configuration in 3.1 into Claude Code's configuration file.

### 3.4 Local startup

```json
{
  "mcpServers": {
    "gitlab-workflow": {
      "command": "node",
      "args": ["/gitlab-workflow-server/dist/src/server.js"],
      "env": {
        "GITLAB_TOKEN": "YOUR_TOKEN",
        "GITLAB_API_BASE_URL": "https://gitlab.com/api/v4",
        "WORKFLOW_ISSUE_PROJECT_ID": "82346102",
        "WORKFLOW_ISSUE_PROJECT_PATH": "tchen1690/test",
        "WORKFLOW_CODE_PROJECT_ID": "82346102",
        "WORKFLOW_CODE_PROJECT_PATH": "tchen1690/test",
        "WORKFLOW_BASE_BRANCH": "develop",
        "WORKFLOW_TARGET_BRANCH": "develop",
        "WORKFLOW_LOCAL_REMOTE_NAME": "origin"
      }
    }
  }
}
```

### 3.5 About `uv/uvx`

This project is a Node.js package. `npx` is the recommended way to run it.

## 4. Environment Variables

Parameter resolution order:

`tool args -> user-provided env -> built-in defaults`

If the user does not explicitly pass a parameter such as `project_id`, the tool can use runtime configuration from environment variables. Some variables also have built-in defaults.

| Environment Variable             | Purpose                                                                           | Default                     | Required |
| -------------------------------- | --------------------------------------------------------------------------------- | --------------------------- | -------- |
| `GITLAB_TOKEN`                   | GitLab API access token used by the server and all GitLab operations              | None                        | Yes      |
| `GITLAB_API_BASE_URL`            | Base URL for the GitLab API                                                       | `https://gitlab.com/api/v4` | No       |
| `WORKFLOW_ISSUE_PROJECT_ID`      | Default target project ID for issue-related tools                                 | None                        | No       |
| `WORKFLOW_ISSUE_PROJECT_PATH`    | Default issue project path used in templates and references                       | None                        | No       |
| `WORKFLOW_CODE_PROJECT_ID`       | Default target project ID for repository, branch, commit, and MR tools            | None                        | No       |
| `WORKFLOW_CODE_PROJECT_PATH`     | Default code project path used in templates, logs, and output                     | None                        | No       |
| `WORKFLOW_BASE_BRANCH`           | Default base branch used before creating a new delivery branch                    | `develop`                   | No       |
| `WORKFLOW_TARGET_BRANCH`         | Default merge request target branch                                               | `develop`                   | No       |
| `WORKFLOW_LOCAL_REMOTE_NAME`     | Default git remote used by local git workflows                                    | `origin`                    | No       |
| `WORKFLOW_LABEL`                 | Default issue title prefix and fallback label                                     | None                        | No       |
| `WORKFLOW_ASSIGNEE_USERNAME`     | Default assignee username for issues and merge requests                           | None                        | No       |
| `WORKFLOW_ISSUE_LOG_PATH`        | Path of the local issue log file                                                  | `issue-log.md`              | No       |
| `WORKFLOW_UPDATE_ISSUE_LOG`      | Whether delivery workflows update the local issue log by default                  | `true`                      | No       |
| `WORKFLOW_DELIVERY_METHOD`       | Default delivery mode, supports `local_git` and `remote_api`                      | `local_git`                 | No       |
| `WORKFLOW_CHECKOUT_LOCAL_BRANCH` | Whether `remote_api` delivery should sync and checkout the created branch locally | `false`                     | No       |
| `WORKFLOW_LOCK_ISSUE_PROJECT_ID` | Restrict issue operations to a fixed issue project ID                             | None                        | No       |
| `WORKFLOW_LOCK_CODE_PROJECT_ID`  | Restrict code and MR operations to a fixed code project ID                        | None                        | No       |

### Recommended configuration

- `GITLAB_TOKEN`, `GITLAB_API_BASE_URL`: required to connect to GitLab
- `WORKFLOW_ISSUE_PROJECT_ID`, `WORKFLOW_CODE_PROJECT_ID`: define the issue project and code project, and can point to the same project
- `WORKFLOW_ISSUE_PROJECT_PATH`, `WORKFLOW_CODE_PROJECT_PATH`: improve rendered references and display output, but are optional
- `WORKFLOW_BASE_BRANCH`, `WORKFLOW_TARGET_BRANCH`: should follow your team branching strategy
- `WORKFLOW_LOCAL_REMOTE_NAME`: usually `origin`

If a specific operation should target values different from your default environment configuration, passing explicit tool arguments will override the configured values.

## 5. License

MIT

mcp-gitlab-workflow

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