Taggun MCP by usefulapi MCP Server

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answering

Taggun MCP by usefulapi is answering right now. Last checked 10 min ago. It exposes 6 tools. Last commit 12 Oct 2026.

Scan receipts with Taggun OCR from a URL or file and read receipt-validation campaigns.

Uptime history 4 hours of history

4 hours agonow

100.0%

Uptime 24h

14 of 14 checks

Tools

read from the server

118 ms

Response time

average over 24h

Stars

last commit 12 Oct 2026

Nothing serious here today

Today is the operative word: we check Taggun MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add taggun --transport http https://taggun.usefulapi.io/mcp

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

{
  "mcpServers": {
    "taggun": {
      "url": "https://taggun.usefulapi.io/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.taggun]
url = "https://taggun.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "taggun": {
      "url": "https://taggun.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "taggun": {
      "url": "https://taggun.usefulapi.io/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

taggun

taggun_export_reference_data

Read the reference data stored on your Taggun account as CSV: product_categories (the category taxonomy), known_merchants (merchant names and locations used for matching) or product_codes (expected product codes). Read-only; does not use a scan. The text is cut at 40,000 characters. GET /api/account/v1/{product-categories|known-merchants|known-product-codes}/export.

taggun_get_campaign

The stored validation rules of one campaign (dates, merchants, products, fraud checks, SmartValidate prompts). Does not use a scan. GET /api/validation/v1/campaign/settings/{campaignId}.

taggun_list_campaigns

List the ids of the receipt-validation campaigns stored on your Taggun account (an empty list is normal). Does not use a scan. Needs the Campaign Validation feature; without it Taggun answers that the feature must be enabled. GET /api/validation/v1/campaign/settings/list.

taggun_scan_receipt_base64

WRITE: this scan counts against YOUR Taggun quota and plan (free for the first 30 days or 1,000 scans, then billed per scan by Taggun), even if the receipt fails validation; it is never retried automatically. Document content is not logged by this server. Extract structured data from a receipt or invoice sent as base64 (JPEG, PNG, GIF, HEIF/HEIC or PDF; the base64 text is capped at 2,000,000 characters, about 1.5 MB of file; for larger files use taggun_scan_receipt_url). POST /api/receipt/v1/{simple|verbose}/encoded.

taggun_scan_receipt_url

WRITE: this scan counts against YOUR Taggun quota and plan (free for the first 30 days or 1,000 scans, then billed per scan by Taggun), even if the receipt fails validation; it is never retried automatically. Document content is not logged by this server. Extract structured data (merchant, date, total, tax, and in verbose mode line items) from a receipt or invoice at a public https URL (JPEG, PNG, GIF, HEIF/HEIC or PDF up to 5 pages, max 20 MiB). The URL must be a public host name: no IP addresses, localhost, internal names, credentials or non-default ports. POST /api/receipt/v1/{simple|verbose}/url.

taggun_validate_receipt_campaign_url

WRITE: this scan counts against YOUR Taggun quota and plan (free for the first 30 days or 1,000 scans, then billed per scan by Taggun), even if the receipt fails validation; it is never retried automatically. Document content is not logged by this server. Scan a receipt at a public https URL and check it against the rules of a campaign stored on your Taggun account (dates, merchants, products, balance owing, fraud checks). Returns pass/fail with reasons. Needs the Campaign Validation feature on your Taggun plan; use taggun_list_campaigns for the ids. Same URL rules as taggun_scan_receipt_url. POST /api/validation/v1/campaign/receipt-validation/url.

Endpoints

URL	Transport	State	Latency	Checked
https://taggun.usefulapi.io/mcp	streamable-http	answering	123 ms	10 min ago

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Taggun MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Taggun MCP by usefulapi do?

It exposes 6 tools, read directly from the server on our last check. Among them: taggun_export_reference_data, taggun_get_campaign, taggun_list_campaigns, taggun_scan_receipt_base64, taggun_scan_receipt_url, taggun_validate_receipt_campaign_url. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Taggun MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 14 of 14 checks got a reply (100.0%), average response time 118 ms. The bar chart above shows every period we have measured.

How do I connect Taggun MCP by usefulapi?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Taggun MCP by usefulapi need an API key?

No. Taggun MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Taggun MCP by usefulapi?

It answers our handshake in 118 ms on average, which is faster than 79% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Taggun MCP by usefulapi open source?

Yes — it is published under the MIT licence, written in JavaScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.