# mcp-fuzz

> mcp-fuzz — vishalhabib99-mcp-fuzz. Use this tool when you need to validate the behavior of MCP servers against their descriptions and schemas. It solves problems of ensuring runtime consistency and accuracy by testing tools with schema-derived inputs and verifying their actual behavior. The mcp-fuzz tool takes MCP server descriptions and schemas as input and outputs test results, making it ideal for use cases where reliability and consistency are crucial, such as in development and testing environments.

Canonical page: https://skillsregistry.net/skills/vishalhabib99-mcp-fuzz  
JSON: https://api.skillsregistry.net/v1/skills/vishalhabib99-mcp-fuzz

## Description

Runtime behavioral testing for MCP servers: calls every tool with schema-derived inputs and checks whether it actually behaves the way its description and schema claim.

## Trust

- **Trust score (0–1):** 0.90
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/vishalhabib99/mcp-fuzz)

## 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": "vishalhabib99-mcp-fuzz"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/vishalhabib99-mcp-fuzz` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/vishalhabib99-mcp-fuzz/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