How to Use the Estimation Prover MCP in VS Code Copilot

Bring rigor to your team's planning. Use the Estimation Prover MCP server in VS Code Copilot to kill optimistic estimates.

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Connect Estimation Prover MCP to VS Code Copilot

Create your Vinkius account to connect Estimation Prover 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 Estimation Prover with VS Code Copilot

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Decompose tasks with Estimation Prover in VS Code

Your team uses `validate_estimation` to break down large features into units under two days. This prevents the team from burying risk in large, vague tickets. By forcing this structure, you make technical debt visible early. You stop the planning fallacy before it reaches your repository.

Apply mandatory buffers in VS Code

The `validate_estimation` tool forces a specific contingency buffer on every estimate. You get a clear, mathematical approach to risk for every task. If an estimate doesn't include a buffer of at least 20%, the tool rejects the plan. You force the agent to treat unknowns as reality, not exceptions.

Standardize planning in VS Code

Commit your `.vscode/mcp.json` to the repo to share this tool with the whole team. Every developer gets the same `validate_estimation` rigor for their work. This forces a shared language for project risk. You stop individual optimism from skewing the team's entire delivery timeline.

Setup guide

Set up Estimation Prover 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 Estimation Prover 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 Estimation Prover tools listed. Try asking: "List my recent Estimation Prover transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

{
  "mcpServers": {
    "estimation-prover-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Estimation Prover. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Estimation Prover MCP in VS Code Copilot

Commit a .vscode/mcp.json file to your repository. This ensures the whole team uses the same validation logic.

Yes. By using a shared config, every developer forces their AI agent to use the same estimation standards.

It forces the agent to cite historical precedents. This removes the subjective bias from your team's estimates.

The tool forces you to map unknowns and apply buffers. This makes your team's project risks explicit and measurable.

Your internal task breakdowns and risk assumptions are processed locally. The server ensures your architectural plans aren't exposed to external systems.

Use it with your favorite AI tools

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