DSH Cursor Subscription

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Sign in to your Cursor account and use your Cursor subscription directly from DeepSeek Harness—without an API key and without depending on the Cursor IDE or Cursor CLI. The plugin preserves DSH's existing session, tool, and permission systems: once signed in, you can select Cursor subscription models from the model picker, while agent tool calls are executed through DSH's local toolset.

⚠️ This plugin integrates with Cursor's unpublished Agent protocol (agent.v1.AgentService/Run). It is a community reverse-engineering project and may stop working when Cursor changes its server-side implementation. This project is not affiliated with or endorsed by Anysphere or Cursor. Please comply with Cursor's terms of service.

Features

• Use a Cursor subscription directly in DSH through browser-based PKCE sign-in—no API key required.
• Store credentials in DSH's local credential store and refresh access tokens automatically.
• Discover models available to the current account dynamically through Cursor's GetUsableModels, with a built-in fallback list if discovery fails.
• Stream conversations with reasoning output, image attachments, and DSH tool calls.
• View sign-in status and token expiration in the settings page, which labels itself with the installed build version.
• View and manually refresh subscription usage, including requests, Auto + Composer usage, other-model (API) usage, per-model spend, on-demand spend, and billing cycle.
• View and manually refresh the models available to the current account.
• Configure the per-run tool-round limit and HTTP retry count, interval, and status codes from the settings page.
• Read the settings page in Simplified Chinese, English, Traditional Chinese, Japanese, Korean, Spanish, French, German, Italian, Brazilian Portuguese, Russian, or Arabic. The panel mirrors itself for Arabic; contributed languages join DSH's own language picker under Settings → General → Language and fall back to English outside the panel.

Installation

Install with an Agent (Recommended)

Send the agent a link to AGENTS.md. It contains the instructions for installation, updates, removal, and verification.

Manual Installation with the dsh Command

dsh plugin --profile web add dsh-cursor-subscription
dsh plugin --profile web list dsh-cursor-subscription --depth 0
dsh --profile web --dump-config

The installed package list should contain exactly one dsh-cursor-subscription, and the composed configuration should contain exactly one cursor-subscription entry.

pnpm 11 and later ship a built-in 24-hour minimumReleaseAge gate, so a plain add never selects a version published within the last 24 hours. Right after a release, install it explicitly (dsh plugin --profile web add dsh-cursor-subscription@0.5.8) or exempt this package by name in the profile's pnpm-workspace.yaml:

minimumReleaseAgeExclude:
  - dsh-cursor-subscription

Local Development Installation

Run the following command in the profile directory, such as %USERPROFILE%\.dsh\profiles\web:

pnpm add file:D:/mcp/dsh-cursor-subscription

Then add dsh-cursor-subscription to the dsh.profile.bundles array in package.json and restart DSH.

Sign-in and Usage

1. Open Settings -> Cursor Subscription in DSH.
2. Select Browser Sign-in. Your browser will open the Cursor sign-in page.
3. Complete sign-in and authorization. The settings page will automatically show that you are signed in.
4. Select a Cursor model from the model picker, such as composer-2 or claude-4-sonnet.

When a tool is required, the agent converts Cursor's tool request into a local DSH tool execution. The result is returned to the model through the conversation history; Cursor's filesystem tools are not used.

The Runtime settings card controls the maximum tool rounds in one Cursor run and the HTTP retry policy. Retry count means additional attempts and defaults to 0 (disabled). Cursor's streaming POST protocol cannot prove that a failed attempt was not processed remotely, so enabling retries may repeat model work or usage. Retries occur only before any response output when the initial HTTP status matches the configured list.

Updating and Removing

dsh plugin --profile web update dsh-cursor-subscription   # Update
dsh plugin --profile web remove dsh-cursor-subscription   # Remove

If DSH is running, restart it manually after installation or an update.

Troubleshooting

• DSH still reports that you are signed out after sign-in: Make sure the browser completed the entire authorization flow and redirected to the completion page. Polling waits for up to approximately 2.5 minutes.
• The model list is empty: GetUsableModels depends on the account type. If discovery fails, the plugin uses its built-in model list, and you can still enter a model name manually.
• Requests return 401: If the access token has expired and the refresh token is no longer valid, sign in again from the settings page.
• DSH fails to start with cannot get property "webServer" without inject: The installed DSH's Connection plugin does not declare webServer, which the older channel registration relied on. Install version 0.5.8 or later of this plugin.
• A plain install picks an old version: pnpm's built-in 24-hour minimumReleaseAge gate skips releases published within the last day. Install an explicit version or exempt this package by name; see the installation section.
• The server protocol changed: Cursor's Agent protocol is unpublished. If requests fail, check for a plugin update.

Scope and Support

• Image input (user-uploaded attachments) is supported. Cursor-native features such as image generation and web search remain outside this plugin's scope.
• Report problems through the repository's Issues page.

MIT