# PromptTuner MCP

> Use this tool when you need to refine and optimize prompts for AI assistants to improve their performance and accuracy. It analyzes and enhances prompts by fixing grammar, improving clarity, and applying best practices, ultimately scoring prompt quality across multiple dimensions. By using PromptTuner MCP, you can generate high-quality prompts that yield better results from AI models, making it ideal for applications where precise and effective input is crucial.

Canonical page: https://skillsregistry.net/skills/j0hanz-prompt-tuner-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/j0hanz-prompt-tuner-mcp-server

## Description

Analyzes, refines, and optimizes prompts for AI assistants by fixing grammar, improving clarity, applying best practices like chain-of-thought and few-shot learning, and scoring prompt quality across multiple dimensions.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ursxps4b1u)
- **Repository:** <https://github.com/j0hanz/prompt-tuner-mcp-server>

## 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": "j0hanz-prompt-tuner-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/j0hanz-prompt-tuner-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/j0hanz-prompt-tuner-mcp-server/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