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Modular MCP Server

@da-snap

Repository

Basic information

Category

Developer Tools

License

MIT

Transports

stdio

Author

da-snap

About Modular MCP Server

No overview available yet

Modular MCP Server config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

Modular MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Modular MCP Server?

It is a Go implementation of a Model Context Protocol (MCP) server using the mcp-golang library, structured in a modular way. It provides file operations (show, search, write) and shell command execution with security features like path restriction.

How to use Modular MCP Server?

Build and run from source: cd cmd/mcp-server && go build -o mcp-server && ./mcp-server. Configure allowed paths via --paths flag or MCP_ALLOWED_PATHS environment variable, and denied paths via --deny-paths or MCP_DENIED_PATHS. If no paths are specified, the server defaults to the current working directory.

Key features of Modular MCP Server

  • File operations: show, search, and write files.
  • Execute shell commands with whitelisted utilities.
  • Path restriction system to limit file operations.
  • Configurable allowed and denied paths via CLI and environment variables.
  • Modular tool architecture: easy to add new tools.
  • Automatic denial of sensitive directories like .git and .env.

Use cases of Modular MCP Server

  • Allowing an AI assistant to read and write files within a safe directory.
  • Executing predefined shell commands in a restricted environment.
  • Providing a secure file editing interface for MCP clients.
  • Extending with custom tools for domain-specific operations.

Frequently asked questions

1

What dependencies are required?

Requires Go to build; uses `github.com/metoro-io/mcp-golang` library. No other external runtime dependencies are mentioned.

2

How do I configure allowed paths?

Use the `--paths` flag (colon‑separated) or `MCP_ALLOWED_PATHS` environment variable. Denied paths can be set with `--deny-paths` or `MCP_DENIED_PATHS`.

3

What is the default behavior if no paths are configured?

If no paths are specified, the server defaults to allowing only the current working directory.

4

What security measures are in place for shell commands?

Commands are restricted to a whitelist of common utilities; custom executable paths are checked against allowed paths; working directories must be within allowed paths.

5

How can I add a new tool?

Create a new file in `internal/tools`, implement the `Tool` interface (and optionally `ConfigAware` for configuration access), then register the tool in `cmd/mcp-server/main.go`.

Comments

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