workspace-bridge-mcp

AmrAbdelmagid/workspace-bridge-mcp

3.3

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Workspace Bridge MCP Server is an experimental project-aware MCP server designed to facilitate cross-project file access and git history exploration.

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Workspace Bridge MCP Server

⚠️ Early Stage / Experimental - This package is in active development (v0.1.0). APIs may change.

A powerful project-aware MCP server that enables cross-project file access and git history exploration. Each project defines which other projects it needs to access via a simple config file!

Features

File Access

  • 📂 Project-Specific Configuration: Each project defines its own linked projects
  • 🔗 Auto-Loading: Automatically loads linked projects when your MCP client opens a project
  • 📁 Cross-Project File Access: Read files from any linked project
  • 🚀 No Global Hardcoding: Configuration lives with each project
  • 🔍 Browse Project Files: List directories and files across all linked projects

Git History

  • 🕰️ Commit History: View commit history with powerful filters (author, date, branch)
  • 🔎 Search Commits: Search through commit messages and code changes
  • 📝 Commit Details: Get full diffs and stats for any commit
  • 📄 File History: Track changes to specific files over time
  • 👥 Git Blame: See who last modified each line in a file
  • 🌿 Branch Comparison: Compare commits between branches
  • ℹ️ Repository Info: Get branches, remotes, tags, and status

Installation

Prerequisites

  • Node.js (v18 or higher)
  • Git (for git history features)

Quick Start

Install globally via npm:

npm install -g workspace-bridge-mcp

Or use with npx (no installation required):

npx workspace-bridge-mcp

Configure Your MCP Client

Add this server to your MCP client configuration file:

Option 1 (no installation required):

{
  "mcpServers": {
    "workspace-bridge": {
      "command": "npx",
      "args": ["-y", "workspace-bridge-mcp"]
    }
  }
}

Alternative (if globally installed):

{
  "mcpServers": {
    "workspace-bridge": {
      "command": "workspace-bridge-mcp"
    }
  }
}

Restart your MCP client to load the server.

Development Setup

If you want to contribute or run from source:

  1. Clone this repository:

    git clone https://github.com/AmrAbdelmagid/workspace-bridge-mcp.git
cd workspace-bridge-mcp

  2. Install dependencies:

    npm install

  3. Configure your MCP client to use local version:

    {
  "mcpServers": {
    "workspace-bridge": {
      "command": "node",
      "args": ["/absolute/path/to/workspace-bridge-mcp/index.js"]
    }
  }
}

Usage

Step 1: Create Configuration File

In your main project, create a .workspace-bridge.json file:

{
  "projects": [
    {
      "name": "project_b",
      "path": "/absolute/path/to/project_b"
    },
    {
      "name": "shared_lib",
      "path": "../shared_lib"
    }
  ]
}

Note: Paths can be absolute or relative to the current project directory.

Step 2: Open Your Project

When you open a project in your MCP client, the server automatically:

  • Registers the current project
  • Loads and registers all projects from .workspace-bridge.json
  • Makes all projects available for cross-project access

Step 3: Use Cross-Project Features

You can now access files and git history across all linked projects:

  • "Show me the files in project_b/src folder"
  • "Read the config file from shared_lib"
  • "Compare the implementations between project_a and project_b"

Available Tools

The MCP server provides two categories of tools:

File Access Tools

listProjects

List all registered projects (current + linked projects).

listFiles

List files and folders in a project directory.

Parameters:

  • project (string): Project name
  • dir (string, optional): Subdirectory path inside the project

Example usage:

  • "List files in project_b/src folder"
  • "Show me what's in shared_lib/lib/utils"
readFile

Read file content from a project.

Parameters:

  • project (string): Project name
  • file (string): Relative file path from the project root

Example usage:

  • "Read the main file from project_b"
  • "Show me shared_lib/lib/config.js"

Advanced Tools (Runtime Management)

If you need to add/remove projects during a session without editing the config file:

addProject

Dynamically add a project at runtime.

Parameters:

  • name (string): Friendly name for the project
  • path (string): Absolute path to the project directory
removeProject

Remove a project from the current session.

Parameters:

  • name (string): Name of the project to remove

Git History Tools

All git tools work on any registered project (current or linked). Projects must be git repositories.

getCommitHistory

Get git commit history with powerful filtering options.

Parameters:

  • project (string): Project name
  • branch (string, optional): Branch name (defaults to current)
  • maxCount (number, optional): Maximum commits to return (default: 50)
  • skip (number, optional): Skip commits for pagination
  • author (string, optional): Filter by author name or email
  • since (string, optional): Show commits since date (e.g., "2024-01-01", "1 week ago")
  • until (string, optional): Show commits until date

Example usage:

  • "Show me the last 20 commits in project_a"
  • "Get commits from john@example.com in the last month in project_b"
  • "Show commits on the feature-branch in shared_lib"
searchCommits

Search through commit messages and optionally code changes.

Parameters:

  • project (string): Project name
  • query (string): Search term to find in commit messages
  • searchInDiff (boolean, optional): Also search in code changes (default: false)
  • maxCount (number, optional): Maximum results (default: 50)
  • author (string, optional): Filter by author

Example usage:

  • "Search for commits about 'feature X' in project_a"
  • "Find commits that mention 'refactor' and also search the code changes in project_b"
  • "Search for bug fixes by developer@example.com in shared_lib"
getCommitDetails

Get detailed information about a specific commit including full diff.

Parameters:

  • project (string): Project name
  • commitHash (string): Commit hash (full or short)

Example usage:

  • "Show me details of commit abc123 in project_a"
  • "Get the diff for commit 7f3e9a2 in project_b"
getFileHistory

Get commit history for a specific file.

Parameters:

  • project (string): Project name
  • file (string): File path relative to project root
  • maxCount (number, optional): Maximum commits (default: 50)

Example usage:

  • "Show me the history of src/main.js in project_a"
  • "When was lib/config.js last modified in project_b?"
  • "Get all commits that changed this file in shared_lib"
gitBlame

Show who last modified each line in a file.

Parameters:

  • project (string): Project name
  • file (string): File path relative to project root
  • startLine (number, optional): Start line number
  • endLine (number, optional): End line number

Example usage:

  • "Who wrote this function in project_a/src/module.js?"
  • "Show me the blame for lines 10-50 in project_b/src/main.js"
getRepositoryInfo

Get repository information including branches, remotes, tags, and status.

Parameters:

  • project (string): Project name

Example usage:

  • "What branches exist in project_a?"
  • "Show me the git status of project_b"
  • "What's the current branch in shared_lib?"
compareBranches

Compare commits between two branches.

Parameters:

  • project (string): Project name
  • baseBranch (string): Base branch name
  • compareBranch (string): Branch to compare

Example usage:

  • "Compare feature-branch with main in project_a"
  • "What commits are in develop but not in main in project_b?"

Use Cases

1. Framework/Dependency Migration Across Projects

When upgrading a major dependency or framework version, implement the migration in one project first, then use this MCP server to help apply the same changes to other projects.

Workflow:

  1. Complete the migration in project_a
  2. From project_b, use the MCP server to:
    • "Search for commits about 'framework upgrade' in project_a"
    • "Show me the commit details with full diff for commit abc123 in project_a"
    • "Get the file history for project_a/package.json to see all dependency changes"
    • "Read the migration notes or updated configuration files from project_a"
  3. Apply similar changes to project_b based on the inspected patterns

Benefits: Avoid repeating research, catch edge cases already solved, maintain consistency across projects.

2. Replicating Logic Changes Across Similar Projects

When multiple projects share similar business logic, changes made in one project can be reviewed and replicated to others.

Workflow:

  1. Implement a feature or fix in project_a
  2. From project_b:
    • "Read the updated module from project_a/src/utils/handler.js"
    • "Show me git blame for project_a/src/utils/handler.js to see recent changes"
    • "Get the commit history for this file to understand the evolution"
    • "Compare my current implementation with project_a's version"
  3. Adapt and apply the improvements to project_b

Benefits: Share improvements across teams, maintain feature parity, reduce duplication of effort.

3. Learning from Other Projects

When joining a team or exploring unfamiliar code, examine how similar problems were solved in related projects.

Workflow:

  • "Show me how project_a implements feature X"
  • "Read the implementation from shared_lib"
  • "Get the commit history for project_b's module to understand the design decisions"
  • "Who implemented this component in project_c? Show me git blame"

Benefits: Faster onboarding, understand architectural patterns, learn from existing solutions.

4. Monorepo-Style Development Without a Monorepo

Work with multiple independent repositories as if they were in a monorepo, accessing files and history across projects without restructuring your repository architecture.

Workflow:

  • "List all configuration files across project_a, project_b, and shared_lib"
  • "Compare the build configurations between projects"
  • "Search for TODO comments across all linked projects"
  • "Track when each project last updated their CI/CD pipelines"

Benefits: Maintain repository independence while gaining monorepo-like visibility and coordination.

5. Debugging Issues Across Project Boundaries

When a bug might stem from changes in a dependent project or shared library, investigate across project boundaries.

Workflow:

  • "When was shared_lib last updated? Show me recent commits"
  • "Did project_a recently change its interface? Check the git history"
  • "Compare the data structures between project_a and project_b to find discrepancies"
  • "Show me which developer last modified this integration point in both projects"

Benefits: Faster root cause analysis, understand cross-project dependencies, track breaking changes.

Example Workflows

Workflow 1: Multiple Related Projects

Project Structure:

/workspace/project_a/       ← You're here (current project)
/workspace/project_b/       ← Need to access
/workspace/shared_lib/      ← Shared utilities

In project_a/.workspace-bridge.json:

{
  "projects": [
    {
      "name": "project_b",
      "path": "../project_b"
    },
    {
      "name": "shared_lib",
      "path": "../shared_lib"
    }
  ]
}

Usage:

  • "Compare the implementation flow between project_a and project_b"
  • "Check if both projects use the same patterns"
  • "Read the utilities from shared_lib"

Workflow 2: Git History Analysis

Scenario: Debugging an issue in project_a

Commands:

  • "Search for commits about 'feature X' in project_a"
  • "Show me the details of commit abc123 with the full diff"
  • "Who last modified this file? Show me git blame for project_a/src/module.js"
  • "Get the history of changes to this file in the last 2 months"

Workflow 3: Cross-Project Code Review with History

Scenario: Comparing implementations and their evolution across projects

Commands:

  • "Read the service module from both project_a and project_b"
  • "Search for commits about 'refactor' in both projects"
  • "Show me when each project last updated their integration"
  • "Compare feature-branch with main in project_a to see what's being added"

How It Works

  1. On Startup: MCP server reads .workspace-bridge.json from the current project directory
  2. Auto-Registration: Current project + all linked projects are registered
  3. Per-Project Config: Each project has its own independent configuration
  4. No Global State: No hardcoded paths in global config files

Configuration File Format

{
  "projects": [
    {
      "name": "friendly_name",      // Required: Name to use in tools
      "path": "/absolute/or/relative/path"  // Required: Path to project
    }
  ]
}

Path Resolution:

  • Absolute paths: Used as-is
  • Relative paths: Resolved relative to the current project directory

Git Requirements

For git history tools to work:

  • ✅ Projects must be git repositories (have a .git folder)
  • ✅ Git must be installed on your system
  • ✅ Non-git projects can still use all file access tools

If a project is not a git repository, the file access tools will continue to work normally, but git tools will return a clear error message.

Reloading Changes

After updating the MCP server code, restart your MCP client to load the changes.

Note: You don't need to restart your MCP client when you change .workspace-bridge.json - just reload the window or restart the MCP connection.

License

This project is licensed under the MIT License - see the file for details.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.