mcp server

cogwork-mcp-servers

8 MCP servers for AI agents: PDF generation, QR/GS1 barcodes, WCAG accessibility scans, image processing, link previews, data validation, EN 16931 e-invoices

cloggedDrain/cogwork-mcp-serverscommunitylistedunreviewed

Use tool

Set up

Runs on your computer. Pick your agent and operating system.

This project does not publish an install method we can turn into a config. Follow the README instead.

README

synced Oct 23, 2026

Cogwork MCP Servers

Eight Model Context Protocol servers that give AI agents (Claude Desktop, Claude Code, and any MCP-compatible client) real-world tools: screenshots-adjacent utilities, PDFs, barcodes, e-invoices, accessibility scans and more. Each server is a thin stdio client over a production REST API from Cogwork APIs — small, fast, CDN-cached endpoints with free tiers.

Server	Tools	What it does
`mcp-server-pdf`	`render_pdf`	Markdown/HTML → clean paginated PDF (DocForge)
`mcp-server-qr`	`generate_code`	QR codes & barcodes: QR, EAN, UPC, Code128, DataMatrix, PDF417… (CodeKit)
`mcp-server-gs1`	`gs1_parse`, `gs1_digital_link`, `gs1_barcode`	GS1 Digital Link + Sunrise 2027 2D barcodes, check-digit validation (GS1Kit)
`mcp-server-a11y`	`accessibility_scan`	WCAG 2.2 / EAA page scan — axe-core in real Chromium, score + violations + fixes (AccessKit)
`mcp-server-image`	`transform_image`	Resize / convert / compress / watermark → WebP, AVIF, JPEG, PNG (PixForge)
`mcp-server-unfurl`	`unfurl_link`	Link previews: title, description, image, favicon, full Open Graph/Twitter tags (LinkPeek)
`mcp-server-verify`	`verify_data`	Validate email (live MX), IBAN, EU VAT (live VIES), phone, card (VerifyKit)
`mcp-server-einvoice`	`generate_einvoice`, `validate_einvoice`	EN 16931 e-invoices: UBL, CII, Factur-X — EU mandate-ready (InvoiceForge)

Quick start

Get an API key — every API has a free tier, no card needed. For PDF, subscribe on RapidAPI: PDF. For the others, request a free key by email while their RapidAPI listings are being restored: bill.omer@gmail.com (say which APIs you want — keys usually go out same-day). Product details: cogworkapi.com.
Install (per server):
```
cd mcp-server-qr && npm install
```

Configure Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "codekit-qr": {
      "command": "node",
      "args": ["/path/to/cogwork-mcp-servers/mcp-server-qr/index.mjs"],
      "env": {
        "QR_API_URL": "https://codekit-qr-and-barcode-generator.p.rapidapi.com/qr",
        "QR_API_KEY": "YOUR_RAPIDAPI_KEY"
      }
    }
  }
}

Each server follows the same pattern with its own prefix:

Server	URL env (RapidAPI base + path)	Key env
mcp-server-pdf	`PDF_API_URL` → `…docforge….p.rapidapi.com/pdf`	`PDF_API_KEY`
mcp-server-qr	`QR_API_URL` → `…codekit….p.rapidapi.com/qr`	`QR_API_KEY`
mcp-server-gs1	`GS1_API_URL` → `…gs1kit….p.rapidapi.com/gs1`	`GS1_API_KEY`
mcp-server-a11y	`A11Y_API_URL` → `…accesskit….p.rapidapi.com/a11y`	`A11Y_API_KEY`
mcp-server-image	`IMAGE_API_URL` → `…pixforge….p.rapidapi.com/image`	`IMAGE_API_KEY`
mcp-server-unfurl	`UNFURL_API_URL` → `…linkpeek….p.rapidapi.com/unfurl`	`UNFURL_API_KEY`
mcp-server-verify	`VERIFY_API_URL` → `…verifykit….p.rapidapi.com/verify`	`VERIFY_API_KEY`
mcp-server-einvoice	`EINVOICE_API_URL` → `…invoiceforge….p.rapidapi.com/einvoice`	`EINVOICE_API_KEY`

(Direct API-gateway URLs with an x-api-key also work — the servers send both header variants.)

Why these instead of writing your own tool wrappers?

Deterministic, agent-friendly output — JSON in, JSON (or a hosted CDN URL) out.
Validation-first: bad inputs return clear 400s with reasons, not garbage (e.g. GS1 check-digit errors, EAN symbology mismatches, EN 16931 rule violations).
Production infra: caching, rate limits, SSRF guards — not a weekend scraper.
Free tiers on every API, so agents can be tried end-to-end at $0.