SERVER

tc39-mcp

Rank #6436

io.github.xyzzylabs/tc39-mcp

Structural TC39 spec lookup (ECMA-262 + ECMA-402) for AI agents — SHA-pinned, offline-first.

First listed
May 31, 2026
Last publish date
Jun 1, 2026
OVERVIEW

tc39-mcp is a Model Context Protocol (MCP) server published by xyzzylabs. It ranks #6436 of 58,832 servers tracked on MCP Toplist, and its repository has 2 GitHub stars. tc39-mcp is listed on Official MCP, with 2 tracked versions. It was first listed on May 31, 2026 and most recently updated on Jun 1, 2026.

STANDING
#6,436of 58,832 tracked serversTop 25%

Ranks ahead of 52,396 of 58,832 servers on MCP Toplist.

CONNECT

Use tc39-mcp

Add tc39-mcp to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.

Remote · HTTP
{
  "mcpServers": {
    "tc39-mcp": {
      "url": "https://tc39-mcp.chicoxyzzy.workers.dev/mcp"
    }
  }
}
npm package
{
  "mcpServers": {
    "tc39-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tc39-mcp"
      ]
    }
  }
}
REGISTRIES

Listed on 1 registry

ORGANIZATION

xyzzylabs

Organization
Total servers
1
Total versions
2
VERSIONS

Available versions (2)

VersionPublished
0.1.4Jun 1, 2026
0.1.3May 31, 2026
FAQ

Frequently asked questions

What is tc39-mcp?
Structural TC39 spec lookup (ECMA-262 + ECMA-402) for AI agents — SHA-pinned, offline-first.
Who maintains tc39-mcp?
tc39-mcp is maintained by xyzzylabs, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
Is tc39-mcp an official MCP server?
Yes — tc39-mcp is listed on the Official MCP Registry.
How many versions does tc39-mcp have?
MCP Toplist tracks 2 versions of tc39-mcp, most recently published on Jun 1, 2026.
Where can I find the source code for tc39-mcp?
The source code for tc39-mcp is hosted at github.com/xyzzylabs/tc39-mcp.
EXPLORE
tc39-mcp - MCP Server #6436 | MCP Toplist