PluginBench
MCP Server

tc39-mcp MCP Server

io.github.xyzzylabs/tc39-mcp

RepositoryRegistry

What is the tc39-mcp MCP server?

Independent MCP server for the TC39 specs (ECMA-262 + ECMA-402): clauses, search, diffs, history.

How to install tc39-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "tc39-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tc39-mcp"
      ]
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "tc39-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tc39-mcp"
      ]
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "tc39-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tc39-mcp"
      ]
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "tc39-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "tc39-mcp"
      ]
    }
  }
}
Claude Code
claude mcp add tc39-mcp -- npx -y tc39-mcp

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