
Clippy
io.github.neilberkmanPublished by GitHub account neilberkmanv1.9.1Updated Oct 24, 2026
Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files
Overview
A macOS-only MCP server that lets an AI assistant copy generated text, email drafts, and files directly to the system clipboard.
- What you can do
- Clippy runs a local MCP server alongside its command-line clipboard tool. Its tools include clipboard_copy for text or files, copy_email for structured Gmail-ready rich email drafts, clipboard_paste for writing clipboard content to files or directories, get_recent_downloads for listing recent downloads, and buffer_copy, buffer_cut, buffer_paste and buffer_list for moving file bytes through a private agent buffer without touching the system clipboard. It also renders Markdown into rich email or Slack-composer formats.
- When to use it
- Useful when you want assistant-generated content, such as code, an email draft, or a Markdown document, to land on your clipboard ready to paste into another app. Also useful for byte-accurate file edits through the buffer tools, where the assistant moves file content without re-emitting it as tokens.
- Requirements
- macOS only, installed as a local process. The README installs it with Homebrew and registers it with Claude Code or Claude Desktop by pointing at the clippy binary with the mcp-server argument. No accounts, API keys, environment variables, or headers are declared.
Installation
In SourceWeft
- Open Clippy in the dashboard and add it to a workspace.
- Enable the server for the chats that should use its tools.
Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.
Other MCP clients
Follow the launch instructions in the repository.
README
Clippy 📎
[Homebrew] [Release] [CI] [Go Version] [License]
Copy files from your terminal that actually paste into GUI apps. No more switching to Finder.
macOS only - built specifically for the Mac clipboard system.
Why Clippy?
pbcopy copies file contents, but GUI apps need file references. When you pbcopy < image.png, you can't paste it into Slack or email - those apps expect files, not raw bytes.
Clippy bridges this gap by detecting what you want and using the right clipboard format:
Stay in your terminal. Copy anything. Paste anywhere.
Installation:
The Terminal-First Clipboard Suite: Clippy copies files to clipboard, includes an MCP server for AI assistants, Pasty pastes intelligently, and Draggy (optional GUI) bridges drag-and-drop workflows. Use as a Go library for custom integrations. All designed to minimize context switching from your terminal.
Core Features
1. Smart File Copying
2. Recent Downloads
3. Find Files with Spotlight
No more switching to Finder to search for files - find and copy them directly from your terminal.
4. Pipe Data as Files
5. Copy and Paste Together
6. Clear Clipboard
7. Content Type Detection
A nice bonus: clippy auto-detects content types (JSON, HTML, XML) so receiving apps handle them properly - something pbcopy can't do. This means when you paste into apps that support rich content, they'll handle it correctly - JSON viewers will syntax highlight, HTML will render, etc.
8. Gmail-Ready Markdown Email
Copy Markdown, render it as rich email content, then paste normally into Gmail, Mimestream, Mail, or another rich composer:
The clipboard carries HTML, RTF, and plain-text representations together. Rich composers preserve intentional paragraph spacing, emphasis, links, lists, inline code, and Mimestream-style fenced code blocks; plain-text targets still receive a readable fallback.
9. Native Slack Messages
Write Markdown, then paste into any Slack composer and get real formatting — not literal asterisks:
Slack's composer stores messages as a Quill Delta document and puts that same
document on the clipboard when you copy from it. md2slack writes exactly that
format, so a normal Command-V produces bold, italic, strikethrough, inline
code, code blocks, block quotes, headings, links, and bulleted or numbered
lists (including nesting) — as though the message had been typed in Slack.
Slack has no table, image, or horizontal-rule construct, so tables become unaligned text rows, images become links, and rules become a divider line. Anything that does not understand the Slack format receives plain text.
For aligned columns, use space-padded text inside a fenced code block. Put both fences on their own lines, with real line breaks between the rows:
Indentation inside a fence is preserved; it is not required to create a code
block. Keep existing column padding when editing. Input uses CommonMark/GFM
syntax (**bold**, ~~strikethrough~~), not Slack's mrkdwn syntax.
The copy_slack MCP tool returns formatting counts and warnings. Set
expected_code_blocks: 1 for a message with one fenced table: a mismatch
returns an error before changing the clipboard. preview: true reports the
same counts and warnings without copying. clippy --verbose md2slack reports
counts too, and the CLI always prints formatting warnings.
These counts describe generated formatting, not a verified Slack paste. Use normal Command-V. Plain-text clipboard reads omit formatting and fence markers, so they cannot verify code blocks. If the counts are correct but the paste is wrong, inspect the clipboard/paste path before changing the Markdown. The MCP tool and CLI use the same renderer.
10. Helpful Flags
Why "Clippy"?
Because it's a helpful clipboard assistant that knows what you want to do! 📎
MCP Server
Clippy includes a built-in MCP (Model Context Protocol) server that lets AI assistants copy generated content directly to your clipboard.
Ask Claude to generate any text - code, emails, documents - and have it instantly available to paste anywhere:
- "Write a Python script to process CSV files and copy it to my clipboard"
- "Draft an email about the meeting and put it on my clipboard"
- "Generate that regex and copy it so I can paste into my editor"
No more manual selecting and copying from the chat interface.
For email drafts, the dedicated copy_email tool is advertised to the model.
Prefer its explicit salutation, body_markdown, and signoff fields so the
email structure is preserved without guessing at language-specific greetings.
The complete-body markdown field remains available for compatibility. The
tool only copies the draft; it does not address or send mail.
Setup
Claude Code:
Note: $(which clippy) finds the clippy binary on your system. On Apple Silicon Macs this is typically /opt/homebrew/bin/clippy, on Intel Macs it's /usr/local/bin/clippy.
Claude Desktop:
Add to your config (~/Library/Application Support/Claude/claude_desktop_config.json):
Metadata Overrides (Optional)
You can customize MCP tool/prompt/example descriptions without changing behavior:
By default, override files can be partial. Add --strict-metadata to require full coverage of every tool, prompt, and parameter.
Available Tools
System Clipboard Tools
- clipboard_copy - Copy text or files to system clipboard
- copy_email - Copy a structured email draft as Gmail-ready rich text (never sends)
- clipboard_paste - Paste clipboard content to files/directories
- get_recent_downloads - List recently downloaded files
Agent Buffer Tools
- buffer_copy - Copy file bytes (with optional line ranges) to agent's private buffer
- buffer_cut - Cut lines from file to buffer (copy and delete from source)
- buffer_paste - Paste bytes to file with append/insert/replace modes
- buffer_list - Show buffer metadata (lines, source file, range)
Why buffer tools? Solves the LLM "remember and re-emit" problem. The MCP server reads/writes file bytes directly - agents never generate tokens for copied content. Enables surgical refactoring (copy lines 17-32, paste to replace lines 5-8) with byte-for-byte accuracy, without touching your system clipboard.
Pasty - Intelligent Clipboard Pasting
When you copy a file in Finder and press ⌘V in terminal, you just get the filename as text. Pasty actually copies the file itself to your current directory.
Core Use Cases
1. Copy file in Finder → Paste actual file in terminal
2. Smart text file handling
3. Save browser images
Also handles rich text with embedded images (.rtfd bundles from TextEdit/Notes).
4. Debugging and plain text extraction
By default, pasty uses Finder-style duplicate naming if a file already exists.
Draggy - Visual Clipboard Companion
Draggy is a menu bar app that brings visual functionality to your clipboard workflow. While clippy handles copying from the terminal, Draggy provides a visual interface for dragging files to applications and viewing recent downloads.
Important: Draggy is a separate, optional tool. It's not automatically installed with clippy.
Features
Core Functionality
- Drag & Drop Bridge - Makes clipboard files draggable to web browsers, Slack, and other apps
- Recent Downloads Viewer - Toggle between clipboard and recent downloads with one click
- File Thumbnails - Visual previews for images and PDFs right in the file list
- Quick Preview - Hold ⌥ Option while hovering to see larger previews
- Zero Background Activity - No polling or battery drain, only activates on demand
User Experience
- Double-Click to Open - Quick access to files without leaving the menu
- Keyboard Shortcuts - ESC to close, Space to refresh
Design Philosophy
- Not a clipboard manager - No history, no database, no complexity
- Terminal-first workflow - Designed to complement terminal usage, not replace it
- Minimal but complete - Every feature serves a specific workflow need
Installation
⚠️ First Launch: macOS may show a security warning since Draggy isn't code-signed. If you see "Draggy is damaged and can't be opened":
- The Homebrew cask automatically removes the quarantine flag during installation
- If the warning persists, run:
xattr -dr com.apple.quarantine /Applications/Draggy.app - Or right-click Draggy.app and select "Open" to bypass Gatekeeper
Usage
Workflow Examples
Upload screenshots to GitHub:
Quick file sharing:
Recent downloads workflow:
Philosophy
Draggy is intentionally not a clipboard manager. No history, no search, no database. It's a visual bridge between your terminal clipboard workflow and GUI applications. For terminal users who occasionally need to see what's on their clipboard or drag files somewhere, then get back to work.
Build from Source
Library
Clippy can be used as a Go library in your own applications:
High-Level API
Features
- Smart Detection: Automatically determines whether to copy as file reference or text content
- Multiple Files: Copy multiple files in one operation
- Reader Support: Copy from any io.Reader with automatic format detection
- Clipboard Access: Read current clipboard content (text or file paths)
- Cross-Platform Types: Uses standard Go types, handles platform-specific clipboard internally
License
MIT
Source: README.md at commit 7aab75c
Tools
0Version history
1- v1.9.1LatestSep 16, 2026
Score
50% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
- Reached in the last 30 days25 pts
Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.
- Auth declared10 pts
Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.
- Tools listed15 pts
Answer tools/list without a credential, or ship a package that starts in a sandbox without one.
- DescriptionRequired15 pts
- Logo10 pts
- Documentation15 pts
- License10 pts