# Sncro Browser Debugger

> Use this tool when you need to debug live web applications and capture their browser context, solving issues with DOM state, console output, and network requests. It provides a lightweight JavaScript agent that injects into web pages and serves data over long-polling to an MCP server. Ideal for use cases requiring real-time web application debugging, with options for hosted or self-hosted relays.

Canonical page: https://skillsregistry.net/skills/scottconfusedgorilla-sncro  
JSON: https://api.skillsregistry.net/v1/skills/scottconfusedgorilla-sncro

## Description

Sncro Browser Debugger bridges AI assistants like Claude to a live web application's browser context. A lightweight JavaScript agent injected into web pages captures DOM state, console output, and network requests, which the relay serves over long-polling to the MCP server. A free-tier hosted relay is available at sncro.net, or the relay can be self-hosted with provided FastAPI middleware.

## Trust

- **Trust score (0–1):** 0.54
- **Verification tier:** scanned
- **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:** [PulseMCP](https://www.pulsemcp.com/servers/scottconfusedgorilla-sncro)
- **Repository:** <https://github.com/scottconfusedgorilla/sncro-relay>

## 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": "scottconfusedgorilla-sncro"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/scottconfusedgorilla-sncro` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/scottconfusedgorilla-sncro/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