Filesystem MCP Server
The official Filesystem MCP Server gives LLMs controlled access to designated directories on your computer. It allows agents to read file contents, search directories recursively, and write files, while strictly blocking directory traversal attacks and preventing access outside configured safe directories.
MCP Architecture & Specifications
| Protocol Specification | Model Context Protocol (MCP v1.0) |
| Transport Architecture | stdio (Standard Input/Output) / SSE |
| Supported AI Clients | Claude DesktopCursorZedAntigravity |
| Repository | github.com/modelcontextprotocol/servers/tree/main/src/filesystem |
| License | MIT |
| Execution Sandbox | Isolated local subprocess with explicit tool call permission gating |
| Security Verification | MCP Schema & Protocol Audited |
Claude Desktop & Cursor Configuration
claude_desktop_config.json{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-filesystem",
"/Users/username/Desktop"
]
}
}
}Exposed Tools & Capabilities
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