# hackbrowser-mcp

> Use this tool when you need to perform comprehensive security testing on web applications, as it enables AI agents to control a Firefox browser with 39 integrated security tools. This tool solves problems related to identifying vulnerabilities, such as injection flaws and access control weaknesses, by simulating various attacks and analyzing the application's responses. It takes web application URLs as input and outputs detailed security test results, making it ideal for use cases involving web application penetration testing and security assessments.

Canonical page: https://skillsregistry.net/skills/badchars-hackbrowser-mcp  
JSON: https://api.skillsregistry.net/v1/skills/badchars-hackbrowser-mcp

## Description

Enables AI agents to perform security testing on web applications by controlling a Firefox browser with 39 security tools, including injection testing and access control analysis.

## Trust

- **Trust score (0–1):** 0.77
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** browser-automation
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/no5kxu59d2)
- **Repository:** <https://github.com/badchars/hackbrowser-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": "badchars-hackbrowser-mcp"
    }
  }
}
```

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