# Diffblue Cover MCP Server

> Use this tool when you need to automatically generate unit tests for Java code, solving problems of tedious manual testing and improving code reliability. It takes Java code as input and produces generated unit tests as output, providing a seamless interface for AI development environments. Ideal for use in continuous integration and development pipelines where thorough testing is crucial.

Canonical page: https://skillsregistry.net/skills/diffblue-cover-mcp  
JSON: https://api.skillsregistry.net/v1/skills/diffblue-cover-mcp

## Description

Enables AI development environments to call the Diffblue Cover CLI tool to automatically generate unit tests for Java code.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/jo48s2l7x0)
- **Repository:** <https://github.com/diffblue/cover-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "diffblue-cover-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/diffblue-cover-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/diffblue-cover-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt