deepseekplugins

DeepSeek Harness plugin

dsh-fish-shell

DSH plugin that executes bash-tool commands with Fish

Tools & Capabilities
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Source facts

Repository
nathannli/dsh-fish-shell
Latest update
Aug 19, 2026
Category
Tools & Capabilities
GitHub stars
0
Format
plugin
Catalog evidence
Upstream dsh.bundle evidence
Evidence path
package.json#dsh.bundle
Checked against
0.1.0-rc.8
Upstream check date
2026-08-20

This evidence comes from the upstream catalog. This site has not installed, run, or security-reviewed the plugin.

Install

Start with a prompt that asks an agent to review the GitHub repository and source. Switch to the command if you want to install it yourself.

Copy this prompt into DSH, Codex, or another agent and ask it to review the GitHub repository and source first.

Do not install or run any commands yet. Read this plugin's GitHub repository, README, and relevant source code. Then answer the questions below clearly and directly so I can decide whether it fits my needs:

1. What is this plugin, and what problem does it solve?
2. Who is it for, and what are its typical use cases?
3. How is it used after installation? Include one minimal example.
4. What known limitations or privacy, security, compatibility, or maintenance risks does it have?
5. Give a clear recommendation: recommend, conditionally recommend, or do not recommend, with reasons.

Distinguish statements documented by the repository, inferences from source code, and unknowns. If evidence is insufficient, say so explicitly. Do not guess or simply repeat the README.

GitHub: https://github.com/nathannli/dsh-fish-shell
Plugin: dsh-fish-shell
Author: nathannli

Check the source files

Read the README and other files from this plugin directory before installing.

File explorer3 files
README.mdSource · read only

dsh-fish-shell

do not use. it simply causes more retries due to syntax rewrites

A DeepSeek Harness (DSH) profile plugin that runs commands submitted through the model-facing bash tool with Fish instead:

bash tool call → fish -c <command>

The public tool remains named bash so its existing schema, presentation, sandbox approval, output, timeout, and background-job contracts remain intact. The plugin adds a system-prompt note instructing the agent to use Fish-compatible syntax.

It updates both foreground and background commands. When DSH mounts its sandboxing shell executor, it also changes the inner confined command from bash -c to fish -c. Persistent PTY terminal sessions are not changed.

When configured with Babelfish, it preprocesses commands containing standalone Bash assignments before Fish runs them. For example, NAME=value, export NAME=value, and NAME=$(command) become Fish set commands. Fish-native commands are left unchanged. Babelfish failures stop the tool call instead of executing untranslated Bash.

Dependency

Bash-assignment translation depends on Babelfish. It is optional: omit babelfishPath to run Fish directly without Bash translation.

Configuration

By default, the plugin uses $SHELL when it ends in /fish; otherwise it runs fish from PATH. On this system $SHELL is /opt/homebrew/bin/fish, so the default resolves to that absolute path.

Set explicit executable paths in the profile patch if needed:

- id: fish-shell
  config:
    fishPath: /opt/homebrew/bin/fish
    babelfishPath: /opt/homebrew/bin/babelfish

babelfishPath is optional. Without it, the plugin runs Fish directly and does not rewrite Bash syntax. Install Babelfish with brew install babelfish.

This is deliberately not a general Bash compatibility layer. Complex Bash syntax, inline environment assignments such as NAME=value command, and semantics Babelfish cannot translate should be written directly in Fish.

Install

From this repository:

dsh plugin --profile web add "$PWD"

Restart the DSH host after installation. A restart is required because this is a server-side shell-executor plugin; client-plugin HMR does not reload it.

To remove it:

dsh plugin --profile web remove dsh-fish-shell

Test

npm test

Compatibility

Tested against DSH 0.1.0-rc.6. The plugin requires DSH's local bash-compatible shell executor (runArgv and startArgv).

License

MIT

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