Unofficial MCP Server for USWDS

by bibekpdl Your server? Claim it

local only

Unofficial MCP Server for USWDS runs on your own machine — the client starts it, so there is no endpoint to ping. 319 installs a week from npm. Last commit 25 Oct 2026.

Unofficial USWDS MCP: official markup, class-aware validator, and page composer for AI tools.

Installs per day peak 153 · avg 7 · +1192% w/w

a month agotoday

319

Installs / week

npm · uswds-mcp

Stars

0 open issues

25 Oct 2026

Last commit

2 releases in 90 days

MIT

License

TypeScript

What the code does

We read the source, 1 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/ingest/git.ts:17

    const child = spawn(command, args, { cwd, stdio: ["ignore", "pipe", "pipe"] });

Builds a file path from a variable src/ingest/git.ts:38, src/ingest/parser.ts:301

    const target = path.join(baseDir, repo.name);

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add uswds-mcp -- npx -y uswds-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "uswds-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "uswds-mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.uswds-mcp]
command = "npx"
args = ["-y", "uswds-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "uswds-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "uswds-mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "uswds-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "uswds-mcp"
      ]
    }
  }
}

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Unofficial MCP Server for USWDS — questions

Answers built from our own checks of this server.

Why is there no uptime for Unofficial MCP Server for USWDS?

Unofficial MCP Server for USWDS runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package uswds-mcp was installed 319 times last week.

How do I connect Unofficial MCP Server for USWDS?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls uswds-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Unofficial MCP Server for USWDS?

The npm package uswds-mcp was installed 319 times in the last week. Week over week that is +1192%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Unofficial MCP Server for USWDS open source?

Yes — it is published under the MIT licence, written in TypeScript and 2 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.