Agent Desktop Ffi
Agent Desktop Ffi is an agent skill (a SKILL.md file) from vercel-labs/agent-desktop. C-ABI bindings over agent-desktop's PlatformAdapter. It works with Claude Code and Cursor and has 18,372 GitHub stars across a repository of 4 listed skills. Install it by copying the skill folder into your agent's skills directory.
github.com/vercel-labs/agent-desktop/skills/agent-desktop-ffi (opens in a new tab)
Data as of from the GitHub API; description from the skill's SKILL.md. Report an error
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/vercel-labs/agent-desktop.git
cp -r agent-desktop/skills/agent-desktop-ffi ~/.claude/skills/agent-desktop-ffi # personal, or .claude/skills in a projectIn the Claude apps, zip the agent-desktop-ffi folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/vercel-labs/agent-desktop.git
cp -r agent-desktop/skills/agent-desktop-ffi .agents/skills/agent-desktop-ffi # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/vercel-labs/agent-desktop.git
cp -r agent-desktop/skills/agent-desktop-ffi .cursor/skills/agent-desktop-ffi # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
C-ABI bindings over agent-desktop's PlatformAdapter. Consumers (Python ctypes, Swift, Node ffi-napi, Go cgo, C++, Ruby fiddle) link libagentdesktopffi.{dylib,so,dll} and call ad functions directly instead of spawning the CLI binary per call. The canonical observe-act workflow is: adinit → adadaptercreate[withsession] → adsnapshot → read qualified refs (@s8f3k2p9:e5) → adexecutebyref → adfreestring → adadapter_destroy. Direct C-ABI access to PlatformAdapter operations.
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How do I install the Agent Desktop Ffi skill?
Copy the agent-desktop-ffi folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Agent Desktop Ffi skill free?
Yes. The repository is open source under the Apache-2.0 license.
Is Agent Desktop Ffi maintained?
The repository's most recent commit was on Nov 5, 2026. Its latest release is v1.2.0. appsgit only lists skills from repositories with a commit in the last six months.