tc39-mcp

io.github.xyzzylabs/tc39-mcpVersion 0.6.6

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

Status

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://mcp.xyzzylabs.ai/tc39/mcpCheck pending

claude mcp add --transport http tc39-mcp https://mcp.xyzzylabs.ai/tc39/mcp

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Settings > Connectors > Add custom connector
Name: tc39-mcp
Remote MCP server URL: https://mcp.xyzzylabs.ai/tc39/mcp

{
  "mcpServers": {
    "tc39-mcp": {
      "url": "https://mcp.xyzzylabs.ai/tc39/mcp"
    }
  }
}

code --add-mcp '{"name":"tc39-mcp","type":"http","url":"https://mcp.xyzzylabs.ai/tc39/mcp"}'

Streamable HTTP

npm: tc39-mcp 0.6.6

Package only

claude mcp add tc39-mcp -- npx -y tc39-mcp@0.6.6

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