Taggun MCP by usefulapi

io.usefulapi/taggun

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

Yes, your AI can use this right now.Answered a live MCP handshake in 174 ms with no sign-in needed and exposes 6 tools.

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Settings → Connectors → Add custom connector
URL: https://taggun.usefulapi.io/mcp

6 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
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,

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 chara

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, bal

taggun_list_campaignsread-only

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_get_campaignread-only

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_export_reference_dataread-only

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.

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