Koskamo

GenClass MCP

A free MCP server that gives coding agents access to GenClass's recorded race conditions and visual bugs. It allows agents to explore reordered responses, replay exact bug sequences, and generate Playwright regression tests to prove fixes, keeping all data on the user's machine.

Visit GenClass

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

GenClass MCP logo, by GenClassCommunity listingLocal stdioSource reviewed; not executedPublished by GenClass
You need:npm install @genclass/runtime@beta
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 7 GitHub stars

What you can do with it

  • Explore reordered responses to find race conditions
  • Replay exact bug sequences before and after a fix
  • Generate Playwright regression tests
  • Check pages for visual bugs like invisible text

Source and maintenance

Community listingRegistry 0.2.1Apache-2.0
mcp-registry: io.github.genclass-dev/genclass@0.2.1Source repositoryProject website
Last repository push
Latest release
v0.2.1
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@genclass/mcp 0.2.1

npm
@genclass/mcp package definition
{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "@genclass/mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "genclass-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@genclass/mcp@0.2.1"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "genclass-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@genclass/mcp@0.2.1"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "genclass-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@genclass/mcp@0.2.1"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "genclass-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@genclass/mcp@0.2.1"
      ]
    }
  }
}

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