Deno MCP Server
Overview
Deno MCP Server is a Model Context Protocol (MCP) server designed for executing Deno TypeScript and JavaScript code securely with configurable permissions, enabling LLMs like Claude to run Deno code.
To use the Deno MCP Server, clone the repository, install dependencies, build the project, and configure it with either Claude Desktop or Cline. Once configured, you can ask Claude to run Deno code with specified permissions.
- Execute Deno TypeScript or JavaScript code - Configure permissions (net, read, write, env, run, etc.) - Enable/disable unstable features - Retrieve Deno version information
- Running Deno code with network permissions for API calls.
- Executing file system operations like reading and writing files.
- Utilizing Deno's standard library for server functionalities.
Add to your AI client
Use these steps to connect Deno MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.
Cursor
Add this to your .cursor/mcp.json file in your project root, then restart Cursor.
.cursor/mcp.json
{
"mcpServers": {
"deno-mcp-server-timtech4u": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}Claude Desktop
Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)
{
"mcpServers": {
"deno-mcp-server-timtech4u": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}Claude Code
Add this to your project's .mcp.json file. Claude Code will detect it automatically.
.mcp.json (project root)
{
"mcpServers": {
"deno-mcp-server-timtech4u": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}VS Code (Copilot)
Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.
.vscode/mcp.json
{
"servers": {
"deno-mcp-server-timtech4u": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}Windsurf
Add this to your Windsurf MCP config file, then restart Windsurf.
~/.codeium/windsurf/mcp_config.json
{
"mcpServers": {
"deno-mcp-server-timtech4u": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}Cline
Open Cline settings, navigate to MCP Servers, and add this server configuration.
Cline MCP Settings (via UI)
{
"mcpServers": {
"deno-mcp-server-timtech4u": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-deno-mcp-server-timtech4u"
]
}
}
}FAQ
What are the prerequisites for using Deno MCP Server?
You need Node.js 16 or higher, Deno installed, and either Claude Desktop or Cline.
How do I configure permissions?
Permissions can be configured in the respective configuration files for Claude Desktop or Cline.
What should I do if I encounter permission errors?
Ensure you are requesting the appropriate permissions for your code execution.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":2866,"uuid":"da384a12-3eab-4c8a-a005-5a3b8dbf4af4","name":"deno-mcp-server","title":"Deno MCP Server","description":"","avatar_url":"https://avatars.githubusercontent.com/u/11256481?v=4","created_at":"$D2025-03-15T13:56:00.840Z","updated_at":"$D2025-03-15T14:14:14.400Z","status":"created","author_name":"Timtech4u","author_avatar_url":"https://avatars.githubusercontent.com/u/11256481?v=4","tags":"deno,mcp,server,typescript,javascript","category":"developer-tools","is_featured":false,"sort":1,"url":"https://github.com/Timtech4u/deno-mcp-server","target":"_self","content":"$29","summary":"$2a","img_url":null,"type":null,"metadata":"{\"star\":\"0\",\"license\":\"\",\"language\":\"JavaScript\",\"is_official\":false,\"latest_commit_time\":\"2025-03-15 13:48:27\"}","user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]