Filesystem

Secure read and write file access with configurable directory scopes. The baseline local dev server.

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2026-06-01 Updated

MIT License

Install

Add Filesystem to your agent

Pick your host and paste the config snippet. Replace placeholder tokens and paths before connecting to production data.

1Config location

Global: ~/.cursor/mcp.json or project: .cursor/mcp.json

2Copy this snippet

{ "mcpServers": { "filesystem": { "command": "npx", "args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/allowed/files"] } } }

Add this block under mcpServers, then restart Cursor.

1Config location

Terminal: one command per server

2Copy this snippet

claude mcp add filesystem npx -y @modelcontextprotocol/server-filesystem /path/to/allowed/files

Run claude mcp list to verify the server is registered.

1Config location

User config: ~/.codex/config.toml

2Copy this snippet

[mcp_servers.filesystem] command = "npx" args = ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/allowed/files"]

Codex CLI reads MCP servers from config.toml on the next run.