nullain-tools
Built-in coding tools for the Nullain Agent SDK — paged file reads, safe edits, ripgrep-backed search, checkpoints/undo, git operations, and sandboxed shell execution.
This package requires nullain-sdk
(installed automatically as a dependency) and is registered into an Agent
automatically — most users never import it directly.
Install
pip install nullain-tools
nullain-sdk pulls this in as a dependency, so a plain
pip install nullain-sdk already gets you the full built-in toolset.
What's inside
| Tool | Description |
|---|---|
read_file |
Numbered, paged reads (cat -n style); truncates absurdly long lines. |
write_file / edit_file / multi_edit |
Safe writes — exact-match edits reject ambiguous matches and no-ops; multi_edit applies a batch of hunks atomically. |
grep / glob / list_directory |
ripgrep-backed search with a pure-Python fallback; glob matching; directory listing. |
bash |
Shell execution via explicit argv (never shell=True), inside the SDK's OS-level sandbox when available. |
git_status / git_diff / git_commit |
Controlled git operations scoped to the workspace. |
web_fetch |
Fetch a URL and return HTML converted to plain text. |
todo_write / undo |
Session todo tracking; restore the most recent pre-write checkpoint of a file. |
Every tool that reads file content (read_file, grep) or reports what
changed (edit_file, multi_edit) redacts common secret patterns (API
keys, tokens) before the output reaches the model or a log.
See docs/tools.md
in the main repository for the full reference, including each tool's
capability requirements and permission level.
License
MIT — see LICENSE.
1 maintainer
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