How to Use the Codecov MCP in Claude Code

Q: How do I add the Codecov server to Claude Code?

Run the command claude mcp add --transport http codecov-mcp -- in your terminal. Claude Code will register the MCP connection and save the configuration in your local JSON settings.

Q: Can Claude Code display a visual tree of my coverage gaps?

Yes, Claude Code calls getcoveragereporttree to print a hierarchical ASCII-style file tree showing coverage percentages directly in your terminal.

Run terminal-based coverage audits and pipe Codecov metrics directly into your shell workflows with Claude Code.

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Connect Codecov MCP to Claude Code

Create your Vinkius account to connect Codecov to Claude Code 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 Codecov with Claude Code

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Audit commit coverage directly from your terminal

Claude Code operates entirely in your shell, making it easy to run quick coverage checks. By calling `get_commit_coverage_totals`, the agent pulls the exact coverage status of any commit SHA without leaving the command line. You can pipe this output directly into other terminal utilities or shell scripts. The agent uses `list_repository_commits` to quickly trace coverage drops across your latest git history.

Automate CI workflows with the Codecov MCP Server

Perfect for SREs and DevOps engineers, this MCP Server lets Claude Code run automated checks in headless environments. The agent uses `get_repository_coverage_details` to verify that a release branch meets your quality gates. By querying `list_repository_branches`, Claude Code verifies coverage across multiple tracking branches in parallel. It handles the API calls in the background and prints clean, actionable summaries to your terminal.

Map file-level coverage gaps in headless environments

When debugging failing builds over SSH, Claude Code calls `get_coverage_report_tree` to locate the exact files that missed test execution. It outputs a hierarchical view of your project's coverage directly to stdout. The agent filters these results using `list_coverage_flags` to isolate flaky or skipped test suites. You get a precise diagnosis of your test coverage health without launching a GUI or a web browser.

Setup guide

Set up Codecov MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see codecov-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Codecov transactions." It will automatically discover and invoke the available Codecov tools.

Terminal

claude mcp add --transport http codecov-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Codecov MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "codecov-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about Codecov MCP in Claude Code

Run the command `claude mcp add --transport http codecov-mcp -- ` in your terminal. Claude Code will register the MCP connection and save the configuration in your local JSON settings.

Yes, Claude Code can run headlessly in CI environments, using `get_commit_coverage_totals` to block builds if coverage falls below your defined threshold.

You pass your Codecov credentials through the Vinkius platform, which handles authentication securely. Claude Code uses a single endpoint token to access all tools safely.

Yes, Claude Code calls `get_coverage_report_tree` to print a hierarchical ASCII-style file tree showing coverage percentages directly in your terminal.

No, your coverage metrics and API tokens are never cached. All requests run through Vinkius's ephemeral MCP gateway, which destroys all session data as soon as the terminal command finishes.

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