write_file

MCP tool from Filesystem MCP by achetronic

Create or overwrite a file. Auto-creates parent directories. Saves undo state

How to use it

write_file is exposed by the Filesystem MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the write_file tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Filesystem MCP

$npm i mcp-remote && make run

FULL FILESYSTEM MCP LISTING

Other tools in Filesystem MCP (11)

diff

Unified diff between two files or sections. Supports line ranges on both sides

edit_file

Batch find-and-replace on a file. Accepts an array of {oldtext, newtext, replaceall} edits applied sequentially. Reports successes and failures

exec

Execute shell commands in foreground (with timeout) or background (returns process ID)

List directory contents with depth, glob filter, hidden file toggle. depth=1 is flat, depth=N is tree

process_kill

Kill a background process

process_status

Get output and status of a background process, or list all background processes

read_file

Read a file fully or specific line ranges. Accepts an array of {offset, limit} ranges for partial reads

scratch

In-memory key-value store for the agent to save/retrieve temporary data between calls

Recursive grep with regex or literal mode. Configurable include/exclude patterns, context lines, max results

system_info

OS, architecture, hostname, user, working directory, shell, PATH

undo

Revert a file to its state before the last writefile or editfile