DSH Simplify is a community-maintained DeepSeek Harness plugin, not an official DeepSeek AI product. Enter /simplify in the current session to ask the Agent to improve code within your Git changes while preserving behavior. Supports DSH Web and desktop apps that include DSH Web.

Command messages and prompts are in Simplified Chinese.

Features

After a round of coding, use /simplify to ask the current Agent to improve the clarity of your changes while preserving behavior.

• Focus on your changes: use the Git change scope to keep the request centered on relevant code.
• Include new files: review new files in full, including repositories without an initial commit.
• Choose the right scope: review workspace changes by default, or select staged changes, a commit, or paths.
• Review after committing: when the workspace is clean, the default mode can review the most recent commit.
• Stop when the scope is unreliable: conflicts, file changes, or read failures return a reason so you can fix the issue and retry.

The command queues a simplification task. Check the Agent’s subsequent response and actual diff to confirm edits and validation are complete.

DSH product ecosystem

For a desktop workbench, download DSH Codex Desktop. Existing DeepSeek Harness installations can add plugins as needed by following each project's README. Below are 11 first-party plugins; consult the corresponding desktop release notes and bundled catalog for what that version includes.

Prerequisites

• DeepSeek Harness is installed, dsh is available in your terminal, and the host provides the commands and subprocess services.
• Host peer dependencies declare 0.1.0-rc.8 || 0.1.1-rc.2 || 0.1.2-rc.1 || 0.1.5-rc.1 || 0.1.5-rc.2 || 0.1.6-alpha.1 || 0.1.6-alpha.2.
• Node.js >= 22.19 and Git on PATH.
• The current session is associated with a local Git project.

Installation

The current version is 0.1.7. The commands below use the web profile; replace it for your environment. Disable other plugins that register /simplify before installation.

Ask an agent to install it (recommended)

Send the prompt below to any agent that can run terminal commands on your computer. Replace web with your actual profile. Once installed, use the plugin in DSH.

Install the DSH plugin @michengai/dsh-simplify into my local web profile by running: dsh plugin --profile web add @michengai/dsh-simplify@0.1.7 --registry=https://registry.npmjs.org/. Then run dsh --profile web --dump-config, confirm the configuration includes michengai-simplify, and explain how to reload DSH and start using the plugin.

Install from npm

[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8

dsh plugin --profile web add @michengai/dsh-simplify@0.1.7 --registry=https://registry.npmjs.org/

[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8

dsh plugin --profile web add .\michengai-dsh-simplify-0.1.7.tgz --ignore-scripts

Reload and Verify

Install or update after the current task finishes, since desktop apps may reload automatically. If the plugin does not take effect, use the desktop app's reload action or restart dsh web; refreshing the browser alone is insufficient.

Run dsh --profile web --dump-config and confirm that it includes michengai-simplify. Check for sensitive settings before sharing the full configuration. Then enter /simplify in a session associated with a Git project.

Usage

After a round of coding, enter this in the current Git project session:

/simplify

Wait for the Agent to finish editing and validation, then inspect the actual diff. Use the options below to narrow the scope.

Choose a review scope

• Paths are relative to the session directory. Absolute paths inside the repository are supported; prompts use paths relative to the repository root.
• Single and double quotes group paths containing spaces; backslashes remain path characters. No shell expansion, wildcard expansion, or command substitution is performed.
• --ref accepts branches, tags, and single-commit expressions, not a..b or a...b. It cannot be combined with --staged.
• Before the initial commit, files in the selected scope are treated as new and may be simplified in full. Default mode includes staged and untracked files; --staged includes only staged files. Select files or directories to narrow the scope; file count and size limits still apply. A clean repository with only one commit returns no changes.
• Previous-commit fallback compares HEAD with its first parent. Merge commits do not receive a multi-parent review.

Command results

Troubleshooting

The input clears after Enter, but no answer appears. Empty reviews do not start the Agent. In a reported case, the backend returned success and skipped two CHANGELOG files because no eligible current lines were found. Some host interfaces do not visibly display these command results; feedback visibility is still under investigation. A successful backend response does not establish that the UI displayed it.

The current directory is not a Git repository. Use a session in the correct Git project, or initialize the project yourself. The plugin does not initialize repositories, stage files, or create commits.

Staged files also have unstaged changes. Save or resolve those changes yourself before using --staged, or use default /simplify to review net working-tree changes. The plugin does not reset or stash changes.

The installer reports missing peer dependencies. Official packages may be supplied by the DSH host runtime. Verify actual resolved versions and backend loading before installing duplicate host packages into the profile. Versions must still satisfy package.json.

Timeout, excessive output, or an outdated snapshot. Narrow the scope to specific files or directories and retry after concurrent edits finish.

Execution Boundaries

The plugin performs read-only Git queries and local file reads. It does not automatically run git add, commit, reset, or stash. Git arguments are passed through DSH subprocess as argv, independent of PowerShell or Bash quoting rules.

Scope is a prompt instruction, not a file-write permission boundary. The Agent edits and tests using host tools and user authorization. This plugin does not intercept writes from other tools or guarantee that files remain unchanged after queuing. A queued review is not a completed simplification.

The implementation assumes the local filesystem and local subprocess share the same workspace. Remote subprocess and remote filesystem combinations have not been verified.

Uninstall

[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8

dsh plugin --profile web remove @michengai/dsh-simplify

Reload DSH manually if the desktop app does not reload automatically. Uninstalling does not undo code changes already made by the Agent.

Development

From Source

[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8

git clone https://github.com/MichengAI/dsh-simplify.git
Set-Location dsh-simplify
npm ci --ignore-scripts
npm run check
dsh plugin --profile web add . --ignore-scripts

The entry point is lib/index.js, so build before installing. Keep the source directory when the profile uses a local link.

Verification

Development dependencies are pinned to DSH 0.1.6-alpha.2.

[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8
npm ci --ignore-scripts
npm run check
npm pack --dry-run

Tests use real temporary Git repositories to cover paths, untracked files, fallback, conflicts, staged mismatches, stale snapshots, and execution errors. Fixtures are created under .test-tmp and cleaned up on normal completion.

tests/host.test.mjs uses the DSH runtime in the project’s node_modules by default. Set DSH_RUNTIME_ROOT to use another runtime's node_modules path. When detected, it runs isolated integration checks for real service registration, Git execution, message delivery, and disposal; otherwise, that test is explicitly skipped. Tests do not call a model or modify installed profiles.

GitHub Actions checks types and tests on Windows, Linux, and macOS, using the host runtime from development dependencies through DSH_RUNTIME_ROOT. Publishing a stable GitHub Release starts publish.yml: it runs all three platform checks, validates the version, bilingual release notes, and package contents, publishes through npm Trusted Publishing, and uploads the same tgz to the Release. Configure publish.yml as the workflow filename in npm and allow npm publish; no publishing token is required.

License

Apache-2.0, Copyright 2026 MichengAI.