Unfragile

The request "sh" is ambiguous: it could mean a Unix shell, a shell script checker, or a shell-related tool. The candidates below cover shells and shell-script tooling, with the most widely used first.

A question back: Do you mean a shell to use as your terminal, a tool to check shell scripts, or something else (for example the 'sh' Bourne shell itself or an AI-agent shell tool)?

1
fish shellfishshell.comwebsite read, tools not yet checked
A user-friendly command line shell for Linux and macOS with tab completions, syntax highlighting and history-based suggestions 7.
Website Docs
2
Nushellnushell.shfound in code, not yet checked
A cross-platform shell that uses structured, typed data in its pipelines, so output can be filtered and sorted without string parsing 3.
Website Docs
+3 community tools built for it
for agents: rest · node_example
3
brush: a Bash-compatible shell in Rustbrush.shwebsite read, tools not yet checked
A Bash-compatible shell that runs existing Bash scripts and startup files, and ships as an embeddable Rust crate 10.
Website Docs
4
ShellCheckshellcheck.netwebsite read, tools not yet checked
An open source static analysis tool that finds bugs and portability problems in shell scripts 8.
Website
+4 community tools built for it

Sources

3Nushellnushell.sh · read 2026-10-29
7fish shellfishshell.com · read 2026-10-29
8ShellCheck – shell script analysis toolshellcheck.net · read 2026-10-29
10brush: a Bash-compatible shell in Rustbrush.sh · read 2026-10-29

For agents: the 10 actions behind this answer

shell · shin-watcher-oss found in code, not yet checked
Run a shell command in the cloned BerriAI/litellm working tree. Use this for git, uv, curl, ls, cat, pytest, etc.
Shell · jupyter-client verified and signed
rest · nushell found in code, not yet checked
Shell · traitlets verified and signed
semantic-kernel · semantic-kernel verified and signed
Create, update, refactor, explain, or review Semantic Kernel solutions using shared guidance plus language-specific references for .NET and Python.
docker-sandboxes-env · docker-sandboxes-env verified and signed
Use this skill when authoring, planning, or running a declarative `sbxenv.yaml` file for Docker Sandboxes (`sbx env create/run/plan/exec/rm`), even if the user just says they want to "check in a sandbox config", "make onboarding reproducible for a sandbox", "run a setup script before the agent start
· fish shell website read, tools not yet checked
A smart and user-friendly command line shell
Shell · widgetsnbextension verified and signed
· ShellCheck website read, tools not yet checked
ShellCheck is an open source static analysis tool that automatically finds bugs in your shell scripts.
Shell · jupyter-console verified and signed

Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.