Compare · File System
Filesystem vs Filesystem MCP Server
Filesystem exposes 14 tools and adds about 1,680 tokens to every model turn. Filesystem exposes 11 tools and adds about 1,222. Filesystem costs 1.4× as much context. Measured by connecting to each server and counting its tool list, not from the README.
 Filesystemmodelcontextprotocol |  Filesystembytedance | |
|---|---|---|
| Context tax | ~1,680 tok/turn | ~1,222 tok/turn(leaner) |
| Tools | 14 | 11 |
| Cost per 1,000 turns (Claude Sonnet 5.5, uncached) | $3.36 | $2.44 |
| Security score | 95/100 | 100/100 |
| Cold start | 835 ms | 113 ms |
| Runs | Local (stdio) | Local or hosted |
| Needs keys | None declared | None declared |
| Freshness | Active | Active |
| GitHub stars | 91k | 39k |
| License | — | Apache-2.0 |
| Official MCP registry | No | Yes |
Install in Claude Code
Filesystem
claude mcp add filesystem -- npx -y @modelcontextprotocol/server-filesystem
Filesystem
claude mcp add filesystem-bytedance -- npx -y @agent-infra/mcp-server-filesystem allowed-directories '<allowed-directories>'
Tools
By name, from each server's live tool list. The same name can still behave differently.
Only in Filesystem · 3
- read_text_file
- read_media_file
- list_directory_with_sizes
In both · 11
- read_file
- read_multiple_files
- write_file
- edit_file
- create_directory
- list_directory
- directory_tree
- move_file
- search_files
- get_file_info
- list_allowed_directories
Only in Filesystem · 0
- none
Questions
- Which uses fewer tokens, Filesystem or Filesystem?
- Filesystem: its tool definitions take about 1,222 tokens per turn against 1,680 for Filesystem (1.4× more). Tool definitions are resent on every model turn.
- Do Filesystem and Filesystem have the same tools?
- They share 11 tool names; Filesystem has 3 more and Filesystem has 0 more.
- Are Filesystem and Filesystem hosted or local?
- Filesystem: local (stdio). Filesystem: local or hosted.
Token counts use the o200k tokenizer on each server's tool definitions as an agent receives them; clients that load tools lazily pay less. Prices are Claude Sonnet 5.5 input at $2/MTok. Want to check one yourself? Run npx mcpskillhub test <package> — how it works.