Forgot the Command? Stay in the Terminal

Forgot the Command? Stay in the Terminal

HumanSH is an open-source CLI that translates plain-English requests into shell commands directly in your terminal for review, preserving workflow without automatic execution and using your existing AI subscription for generation.

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Free
#39 in Coding (38 tools)
Just launched
Data reviewed Aug 28, 2026

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Quick Overview

Best for: Coding

What it does

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Best fit

Coding

Pricing snapshot

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Forgot the Command? Stay in the Terminal

HumanSH is a free, open-source command-line tool that converts plain-English requests into shell commands and inserts them directly into your existing terminal prompt for inspection and manual execution. It is designed to keep users in their terminal workflow by avoiding context switching to web chat interfaces and eliminates copy-paste friction. HumanSH uses your existing supported AI subscription (ChatGPT, Claude, Cursor) or an explicitly chosen OpenRouter metered API path; nothing runs until you approve the generated command, and the CLI emphasizes a small privacy-preserving footprint and no automatic telemetry.

Describe the command you need in plain English. HumanSH writes it directly into your terminal for review—no chatbot tab, no copy-paste, no lost flow.

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Key Features

In-terminal command generation

Translates plain-English requests into shell commands that are inserted into your editable terminal prompt for review instead of opening a separate chatbot tab.

Manual review and controlled execution

Generated commands do not run automatically; they land in the prompt so you can inspect, edit, cancel, or press Enter to run. Higher-risk commands require a stronger confirmation.

Use existing AI subscriptions

Supports using your existing ChatGPT, Claude, or Cursor login/subscription; OpenRouter metered API is optional and explicit.

Minimal data footprint and privacy constraints

Sends only the English request, target command environment, OS/architecture details, a privacy-normalized folder label, and a fixed list of detected tools. Files, file contents, shell history, environment variables, credentials, usernames, and command output are not sent.

Isolated translation workspace

Translations run in an isolated disposable directory with a minimal environment and tools disabled where supported to reduce risk.

Open source & MIT licensed

The project is open source under the MIT license and can be installed locally via a provided install script and viewed on GitHub.

No telemetry or hidden cloud account

The CLI does not collect telemetry, create a cloud account, or add a separate analytics request; OpenRouter fallback is never silent.

Pricing

Free Tier Available

HumanSH is free and open source; the CLI itself costs nothing. You may need an existing paid AI subscription (ChatGPT/Claude/Cursor) for provider requests unless you explicitly use OpenRouter's metered API.

Free (Open Source)

Free
  • Open-source MIT license
  • No cost to install or use the CLI itself

Use Cases

Recover forgotten commands

Describe a task in plain English (for example, 'show which process is using port 3000') and get a ready-to-review command (e.g., lsof -nP -iTCP:3000 -sTCP:LISTEN) without leaving the terminal.

File system investigations

Ask for commands to find large files or directory usage (examples shown like find . -type f -exec du -h {} + | sort -rh | head -n 50) and review results inline.

Git and shell productivity

Get suggested git or shell commands (for example, 'undo the last commit but keep my changes') directly in the prompt for review and execution.

Integrations

ChatGPT

Use your existing ChatGPT login/subscription (via Codex) to generate translations.

Claude

Use your existing Claude subscription/login to generate translations.

Cursor

Use your existing Cursor browser login to generate translations.

OpenRouter (optional)

An explicit optional path providing a metered API; HumanSH never switches to it silently.

Benefits

Maintain terminal flow by avoiding context switching to chat interfaces or copying and pasting commands.
Improved safety: commands are reviewed before execution and destructive patterns require extra confirmation.
Privacy-preserving: minimal context is sent to the provider and sensitive data (files, history, secrets) are not transmitted.
No additional paid API required: use an existing supported AI subscription or explicitly opt into OpenRouter.
Open-source MIT-licensed software with an installable CLI and viewable source on GitHub.

Limitations

Requires a supported AI login/subscription (ChatGPT, Claude, Cursor) or explicit configuration of OpenRouter for provider-based translations.
Generated commands are suggestions that must be reviewed; HumanSH intentionally does not auto-run commands and may require extra confirmation for destructive actions.
HumanSH sends limited system context to a provider for translation; users must trust the chosen provider for generation.

Frequently Asked Questions

Does HumanSH run generated commands automatically?
No. It inserts the command into your editable prompt for review. You decide whether to edit, cancel, or run it. Higher-risk commands require an additional deliberate confirmation.
What leaves my machine during a translation?
By default: your English request, the target command environment, operating-system and architecture details, a privacy-normalized folder label, and a fixed list of detected tools. Files, file contents, shell history, environment variables, credentials, usernames, and command output are not sent.
Do I need another paid AI API?
No. HumanSH can use an existing supported ChatGPT, Claude, or Cursor subscription through its current login. OpenRouter's metered API is an optional path and is never selected silently.
Is HumanSH free?
Yes. HumanSH is open source and costs nothing to install or use. Bring a supported subscription you already have, or explicitly choose OpenRouter's metered API.
What happens when I type a real command?
HumanSH classifies clear commands locally and leaves them alone, so they run normally without a provider request. Genuinely ambiguous input is preserved rather than guessed or sent.

Getting Started

  1. 1 Install HumanSH: run the provided installer (example: curl -fsSL https://humansh.com/install | bash).
  2. 2 Follow the guided setup to connect an existing supported AI login (ChatGPT, Claude, or Cursor) or explicitly configure OpenRouter if desired.
  3. 3 Type a plain-English request in your terminal, review the generated command inserted into your prompt, edit if needed, then press Enter to run.

Support

docs

Installation guide and documentation are available from the site (see installation guide and Docs links).

source code / issues

Project repository and issue tracker are available via the GitHub link on the site.

security

A security model page is linked from the site describing privacy and threat-mitigation approaches.

API

Available: No

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