How to Use the Unleash (Feature Toggles) MCP in VS Code Copilot

Q: Can I list segments using Unleash (Feature Toggles) with VS Code Copilot?

Yes. The listsegments tool lets you fetch all defined segments from Unleash. This data is crucial for writing team-wide conditional logic based on user groups.

Q: What kind of data does the Unleash (Feature Toggles) server touch?

This MCP Server manages userId, project context, and flag usage metrics. It allows your team to see who is seeing a feature without needing access to raw personal data.

Q: Does Unleash (Feature Toggles) support all environments in VS Code Copilot?

The listenvironments tool fetches every environment configured. This means your team can write code that tests for flag states across 'dev,' 'staging,' and 'production' before deployment.

Q: How do I check feature flags using Unleash (Feature Toggles) in VS Code Copilot?

You simply ask your agent to call getclientfeatures. It fetches the current flag state, and you can use that live data to write code that reacts to it immediately.

Control product logic with Unleash (Feature Toggles) and manage flags across your team using VS Code Copilot.

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Connect Unleash (Feature Toggles) MCP to VS Code Copilot

Create your Vinkius account to connect Unleash (Feature Toggles) to VS Code Copilot and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Unleash (Feature Toggles) with VS Code Copilot

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Check Feature Flags for the Team

The `get_client_features` tool fetches all active feature flags and strategies for server-side evaluation. Because this is committed to your repo, every developer sees the same mechanism. Copilot can use context (like a user ID or properties) to evaluate the correct flag state, ensuring team consistency across all branches.

Audit Projects and Users

Need a full picture of what's configured? Use `list_projects` to get every project ID. You can also pull comprehensive user lists via the `list_users` tool. This gives your whole team an immediate, centralized view of all available contexts for feature rollout.

Monitor Feature Adoption

After rolling out a flag, you need proof it works. Call `report_client_metrics` or `report_frontend_metrics`. These tools send usage data back to Unleash. The team can use these metrics to validate adoption rates and prove that the feature toggle is correctly governing behavior.

Setup guide

Set up Unleash (Feature Toggles) MCP in VS Code Copilot

Prerequisites

VS Code 1.99 or later with GitHub Copilot extension
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and run "MCP: Add Server". Select HTTP (Streamable) as the server type. VS Code will create .vscode/mcp.json in your workspace.
2

Add the Unleash (Feature Toggles) MCP

Paste the JSON snippet shown on the right into your .vscode/mcp.json. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Switch to Agent mode

Open Copilot Chat (Cmd+Shift+I / Ctrl+Shift+I) and switch to Agent mode using the dropdown. MCP tools are only available in Agent mode — they do not appear in Edit or Ask modes.
4

Verify the connection

In the Copilot Chat input, type # to list available tools. You should see the Unleash (Feature Toggles) tools listed. Try asking: "List my recent Unleash (Feature Toggles) transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

{
  "mcpServers": {
    "unleash-feature-toggles-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Unleash (Feature Toggles) MCP in VS Code Copilot

You set it up by adding the server to the team config via a `.vscode/mcp.json` file committed to your repository. This makes sure every developer has access to the tools automatically.

Yes. The `list_segments` tool lets you fetch all defined segments from Unleash. This data is crucial for writing team-wide conditional logic based on user groups.

This MCP Server manages `userId`, project context, and flag usage metrics. It allows your team to see who is seeing a feature without needing access to raw personal data.

The `list_environments` tool fetches every environment configured. This means your team can write code that tests for flag states across 'dev,' 'staging,' and 'production' before deployment.

You simply ask your agent to call `get_client_features`. It fetches the current flag state, and you can use that live data to write code that reacts to it immediately.

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