This project implements a Model Context Protocol (MCP) server that provides filesystem operations and web access tools for Large Language Model (LLM)
MCPJavaFileSystem MCP server exists for a simple reason — assistants are far more useful when they can act on MCPJavaFileSystem directly instead of describing what you should do. This project implements a Model Context Protocol (MCP) server that provides filesystem operations and web access tools for Large Language Model (LLM) agents. It enables AI assistants to interact with both the local filesystem and web.
Once MCPJavaFileSystem is connected, these are the calls the assistant has available:
Prerequisites — The Prerequisites tool exposed by this serverReadFileService — The ReadFileService tool exposed by this serverWriteFileService — The WriteFileService tool exposed by this serverEditFileService — The EditFileService tool exposed by this serverSearchFilesService — The SearchFilesService tool exposed by this serverListDirectoryService — The ListDirectoryService tool exposed by this serverGrepFilesService — The GrepFilesService tool exposed by this serverCreateDirectoryService — The CreateDirectoryService tool exposed by this serverBashService — The BashService tool exposed by this serverFetchWebpageService — The FetchWebpageService tool exposed by this serverSetup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.
This sits in the file and storage access group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. MCPJavaFileSystem's toolset — Prerequisites, ReadFileService, WriteFileService and 7 more — is a fair guide to whether it matches your workflow. It is maintained by stephanj; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against MCPJavaFileSystem's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
| Tool | What it does |
|---|---|
| Prerequisites | The Prerequisites tool exposed by this server. |
| ReadFileService | The ReadFileService tool exposed by this server. |
| WriteFileService | The WriteFileService tool exposed by this server. |
| EditFileService | The EditFileService tool exposed by this server. |
| SearchFilesService | The SearchFilesService tool exposed by this server. |
| ListDirectoryService | The ListDirectoryService tool exposed by this server. |
| GrepFilesService | The GrepFilesService tool exposed by this server. |
| CreateDirectoryService | The CreateDirectoryService tool exposed by this server. |
| BashService | The BashService tool exposed by this server. |
| FetchWebpageService | The FetchWebpageService tool exposed by this server. |
{
"mcpServers": {
"filesystem": {
"command": "/Library/Java/JavaVirtualMachines/liberica-jdk-23.jdk/Contents/Home/bin/java",
"args": [
"-Dspring.ai.mcp.server.stdio=true",
"-Dspring.main.web-application-type=none",
"-Dspring.main.banner-mode=off",
"-Dlogging.pattern.console=",
"-jar",
"~/JavaFileSystemMCP/target/devoxx-filesystem-0.0.1-SNAPSHOT.jar"
]
}
}
}Configuration as documented by the project. Restart the client after saving.
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