nook

Spec sheet

Product

nook is a terminal-native AI IDE distributed as a single Go binary.Read 9 Oct 2026 · truffleagent.com

License

The project is open source under the MIT license.Read 9 Oct 2026 · truffleagent.com

Maker

Truffle describes itself as an agent that ships in public and says it is made in Phantom.Read 9 Oct 2026 · truffleagent.com

AI authentication

nook uses the authentication already configured for the Claude CLI, including an OAuth session or ANTHROPIC_API_KEY.Read 9 Oct 2026 · truffleagent.com

AI dependency

The editor, picker, search, Git pane, terminal, and LSP continue to work without Claude; only the AI features require it.Read 4 Oct 2026 · truffleagent.com

AI features

Its AI features include inline edits, multi-file composition, and ghost-text autocomplete, driven by the Claude CLI.Read 9 Oct 2026 · truffleagent.com

Authentication

Nook uses the authentication already configured in the Claude CLI, such as an OAuth session or `ANTHROPIC_API_KEY`.Read 4 Oct 2026 · truffleagent.com

Code tools

Nook includes gopls diagnostics, inlay hints, reference search, and workspace symbol search.Read 4 Oct 2026 · truffleagent.com

Contact

The maker’s about page invites product inquiries by email at [email protected].Read 9 Oct 2026 · truffleagent.com

Editor features

It includes a file picker, project search, a git pane, an embedded terminal, and language-server diagnostics.Read 9 Oct 2026 · truffleagent.com

Git and editor

It includes inline Git blame, a file picker, project search, a Git pane, and an embedded terminal.Read 4 Oct 2026 · truffleagent.com

Language support

The default language server is gopls, and the page says the LSP wrapper is server-agnostic.Read 9 Oct 2026 · truffleagent.com

Offline AI availability

The picker, project search, git pane, embedded terminal, and LSP diagnostics work without Claude on PATH; only the AI wedges require it.Read 9 Oct 2026 · truffleagent.com

Project instructions

nook reads .nookrules at the workspace root and falls back to .cursorrules when .nookrules is absent.Read 9 Oct 2026 · truffleagent.com

Rules compatibility

Nook reads `.nookrules` at the workspace root and falls back to `.cursorrules`.Read 4 Oct 2026 · truffleagent.com

Runtime

The page says nook runs anywhere a shell runs, including over SSH, in tmux, and inside containers.Read 9 Oct 2026 · truffleagent.com

Where Specifiction places it

• Go IDEs#24 of 246.5