Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@structdoc-mcp Extract invoice fields from this PDF"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
MCP server for StructDoc — turn any document (PDF/image) into structured data for AI agents. OCR, layout-to-Markdown, tables, key-value pairs, invoice/receipt fields. 100+ languages. Pay per call with x402 (USDC on Base/Solana) — no API keys.
claude mcp add structdoc -e EVM_PRIVATE_KEY=0x<base-wallet-with-usdc> -- npx -y structdoc-mcpOr configure any MCP client to run npx -y structdoc-mcp with env:
EVM_PRIVATE_KEY — Base wallet private key holding USDC, and/or
SVM_PRIVATE_KEY — Solana wallet private key (base58) holding USDC
STRUCTDOC_BASE_URL (optional) — default https://structdoc-api.hp-vladic.workers.dev
Related MCP server: obolpay-x402-mcp
Tool | Does | Price |
| Layout → Markdown (headings, tables, key-value). RAG-ready. ≤20p | $0.25 |
| OCR full-text, 100+ languages. ≤25p | $0.05 |
| Invoice fields (vendor, items, totals). ≤4p | $0.08 |
| Receipt fields (merchant, date, total). ≤2p | $0.04 |
| OCR up to 100 pages | $0.20 |
| Markdown up to 100 pages | $1.10 |
| Free machine-readable catalog | free |
Each tool takes { url } or { base64 } (PDF/JPEG/PNG/BMP/TIFF/HEIF).
Engine: Azure Document Intelligence v4.0. API: https://structdoc-api.hp-vladic.workers.dev
MIT
This server cannot be installed
Unclaimed servers have limited discoverability.
If you are the server author, to access and configure the admin panel.
Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.
MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.
OCR, transcription, file extraction, and image generation for AI agents via MCP.
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