C# Language Features
About
Integrates with Visual Studio Code's C# extension to provide language features like symbol reference finding across codebases, enhancing coding workflows for C# projects.
Details
- Repository
- biegehydra/BifrostMCP
- License
- AGPL-3.0
Explore
- Language Server Integration: Access VSCode's language server capabilities for any supported language
- Code Navigation: Find references, definitions, implementations, and more
- Symbol Search: Search for symbols across your workspace
- Code Analysis: Get semantic tokens, document symbols, and type information
- Smart Selection: Use semantic selection ranges for intelligent code selection
- Code Actions: Access refactoring suggestions and quick fixes
- HTTP/SSE Server: Exposes language features over an MCP-compatible HTTP server
- AI Assistant Integration: Ready to work with AI assistants that support the MCP protocol
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
C# Language FeaturesCommand (node, npx, python, etc.)npxArguments-
Argument 1
-y -
Argument 2
supergateway -
Argument 3
--sse -
Argument 4
http://localhost:8008/sse
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
-
Argument 1
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
1. Install the extension from the VS Code marketplace
2. Install any language-specific extensions you need for your development
3. Open your project in VS Code
- Step 1. Install Supergateway
- Step 2. Add config to cline
- Step 3. It will show up red but seems to work fine
{
"mcpServers": {
"Bifrost": {
"command": "cmd",
"args": [
"/c",
"npx",
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"disabled": false,
"autoApprove": [],
"timeout": 600
}
}
}
{
"mcpServers": {
"Bifrost": {
"command": "npx",
"args": [
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"disabled": false,
"autoApprove": [],
"timeout": 600
}
}
}
- Step 1: Add the SSE config to your global or project-based MCP configuration
{
"mcpServers": {
"Bifrost": {
"url": "http://localhost:8008/sse"
}
}
}
Follow this video to install and use with cursor
Create a bifrost.config.json file in your project root:
{
"projectName": "MyProject",
"description": "Description of your project",
"path": "/my-project",
"port": 5642
}
The server will use this configuration to:
- Create project-specific endpoints (e.g., http://localhost:5642/my-project/sse)
- Provide project information to AI assistants
- Use a dedicated port for each project
- Isolate project services from other running instances
1. Backend API Project:
{
"projectName": "BackendAPI",
"description": "Node.js REST API with TypeScript",
"path": "/backend-api",
"port": 5643
}
2. Frontend Web App:
{
"projectName": "FrontendApp",
"description": "React frontend application",
"path": "/frontend-app",
"port": 5644
}
Each project should specify its own unique port to avoid conflicts when multiple VS Code instances are running:
- The port field in bifrost.config.json determines which port the server will use
- If no port is specified, it defaults to 8008 for backwards compatibility
- Choose different ports for different projects to ensure they can run simultaneously
- The server will fail to start if the configured port is already in use, requiring you to either:
- Free up the port
- Change the port in the config
- Close the other VS Code instance using that port
find_usages
Locate all symbol references.
go_to_definition
Jump to symbol definitions instantly.
find_implementations
Discover implementations of interfaces/abstract methods.
get_hover_info
Get rich symbol docs on hover.
get_document_symbols
Outline all symbols in a file.
get_completions
Context-aware auto-completions.
get_signature_help
Function parameter hints and overloads.
get_rename_locations
Safely get location of places to perform a rename across the project.
rename
Perform rename on a symbol.
get_code_actions
Quick fixes, refactors, and improvements.
get_semantic_tokens
Enhanced highlighting data.
get_call_hierarchy
See incoming/outgoing call relationships.
get_type_hierarchy
Visualize class and interface inheritance.
get_code_lens
Inline insights (references, tests, etc.).
get_selection_range
Smart selection expansion for code blocks.
get_type_definition
Jump to underlying type definitions.
get_declaration
Navigate to symbol declarations.
get_document_highlights
Highlight all occurrences of a symbol.
get_workspace_symbols
Search symbols across your entire workspace.
Bifrost MCP: Start Server
Manually start the MCP server on port 8008.
Bifrost MCP: Start Server on port
Manually start the MCP server on specified port.
Bifrost MCP: Stop Server
Stop the running MCP server.
Bifrost MCP: Open Debug Panel
Open the debug panel to test available tools.
The extension provides access to many VSCode language features including:
find\_usages: Locate all symbol references.
go\_to\_definition: Jump to symbol definitions instantly.
find\_implementations: Discover implementations of interfaces/abstract methods.
get\_hover\_info: Get rich symbol docs on hover.
get\_document\_symbols: Outline all symbols in a file.
get\_completions: Context-aware auto-completions.
get\_signature\_help: Function parameter hints and overloads.
get\_rename\_locations: Safely get location of places to perform a rename across the project.
rename: Perform rename on a symbol
get\_code\_actions: Quick fixes, refactors, and improvements.
get\_semantic\_tokens: Enhanced highlighting data.
get\_call\_hierarchy: See incoming/outgoing call relationships.
get\_type\_hierarchy: Visualize class and interface inheritance.
get\_code\_lens: Inline insights (references, tests, etc.).
get\_selection\_range: Smart selection expansion for code blocks.
get\_type\_definition: Jump to underlying type definitions.
get\_declaration: Navigate to symbol declarations.
get\_document\_highlights: Highlight all occurrences of a symbol.
- get\_workspace\_symbols: Search symbols across your entire workspace.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"c# language features": {
"env": {},
"args": [
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"command": "npx",
"timeout": 600,
"disabled": false
}
}
}Linux
{
"env": [],
"args": [
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"command": "npx",
"timeout": 600,
"disabled": false
}Macos
{
"env": [],
"args": [
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"command": "npx",
"timeout": 600,
"disabled": false
}Windows
{
"env": [],
"args": [
"/c",
"npx",
"-y",
"supergateway",
"--sse",
"http://localhost:8008/sse"
],
"command": "cmd",
"timeout": 600,
"disabled": false
}Features
- Language Server Integration: Access VSCode's language server capabilities for any supported language
- Code Navigation: Find references, definitions, implementations, and more
- Symbol Search: Search for symbols across your workspace
- Code Analysis: Get semantic tokens, document symbols, and type information
- Smart Selection: Use semantic selection ranges for intelligent code selection
- Code Actions: Access refactoring suggestions and quick fixes
- HTTP/SSE Server: Exposes language features over an MCP-compatible HTTP server
- AI Assistant Integration: Ready to work with AI assistants that support the MCP protocol
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