APITier utility APIs as MCP tools: validation, UK/India address lookup, barcode/QR, data conversion.
Copy the AI prompt to install this server into Claude Code, Cursor, or another agent โ or use 1-click editor setup below.
๐ก Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)
MCP (Model Context Protocol) server exposing all APITier utility APIs as tools for AI agents.
Two integration modes:
| Mode | Best for |
|---|---|
Hosted HTTP โ https://mcp.apitier.com | Anthropic connector directory, remote agents, server-to-server |
| stdio (npx) โ runs locally | Claude Desktop, Cursor, Windsurf, local agents |
Both modes use the same MCP Key โ one key unlocks all your subscribed services.
Postman collection: import the ready-made collection to test all endpoints instantly:
https://raw.githubusercontent.com/apitier/apitier-mcp-server/main/postman/APITier%20MCP%20Server.postman_collection.json
In Postman: Import โ Link โ paste URL โ set mcp_api_key collection variable.
| Tool | Description |
|---|---|
kyc_onboard_uk | Full UK business onboarding check in one call. Validates VAT, verifies Companies House, retrieves PSC (beneficial owners), and confirms the registered address. Returns PASS / REVIEW / FAIL, a risk score, and the full data bundle. Requires postcode + vat + leadAgent subscriptions. |
Example output:
| Tool | Description |
|---|---|
verify_uk_address | Verify a UK address against Royal Mail PAF โ returns canonical address, UPRN, UDPRN, and per-delivery-point geocode |
lookup_uprn | Look up a full AddressBase record by UDPRN โ returns UPRN, PAF canonical address, coordinates. Use UDPRN from verify_uk_address |
lookup_uk_postcode | UK postcode โ full PAF address list + district, ward, county, country, and geocode |
| Tool | Description |
|---|---|
verify_uk_company | Look up a UK company on Companies House by name or number โ status, address, SIC codes, filing health |
get_company_psc | Persons with Significant Control register for a UK company โ required for AML beneficial ownership checks |
validate_sort_code | Validate a UK sort code and optionally a bank account number (Vocalink modulus check). No API key required. |
| Tool | Description |
|---|---|
validate_vat | Validate UK and EU VAT numbers โ checks HMRC for GB numbers, EU VIES for all other country prefixes. Returns registered business name and address. Accepts any country prefix (e.g. GB123456789, DE123456789, FR12345678901). |
| Tool | Description |
|---|---|
validate_email | Validate email โ syntax, MX, SMTP reachability, disposable domain check. Works for any email address globally. |
validate_phone | Validate and parse phone numbers โ accepts any international format, returns country, carrier, and line type. |
| Tool | Description |
|---|---|
lookup_india_pincode | Indian PIN code โ state / district / town |
| Tool | Description |
|---|---|
generate_barcode | Generate barcode image (Code128, EAN-13, UPC, and more) |
generate_qrcode | Generate QR code image with optional logo and colour |
convert_data | Convert between CSV, JSON, XML, YAML |
Sign up at apitier.com โ Account โ AI & MCP โ Generate MCP Key.
Your MCP Key (mcp_...) automatically unlocks the tools for every APITier service you have subscribed to. No per-service configuration needed.
POST https://mcp.apitier.com/mcp?x-api-key=YOUR_MCP_KEY
Pass your MCP Key as the x-api-key query parameter. The endpoint resolves your subscribed services and returns only the tools available to you.
Required headers:
Test with curl:
Call a tool:
Health check:
Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
With MCP Key (recommended โ single key, all subscribed tools):
With individual service keys (if you prefer explicit control):
Restart Claude Desktop after saving. Only tools for your active subscriptions will appear.
stdio:
HTTP endpoint:
stdio:
HTTP endpoint:
| Variable | Description |
|---|---|
APITIER_MCP_KEY | Recommended. Single MCP Key from account page โ resolves all subscribed service keys automatically |
APITIER_POSTCODE_KEY | UK Postcode subscription โ enables verify_uk_address, lookup_uprn, lookup_uk_postcode |
APITIER_LEAD_AGENT_KEY | Lead Agent subscription โ enables verify_uk_company, get_company_psc |
APITIER_EMAIL_KEY | Email Validation subscription โ enables validate_email |
APITIER_PHONE_KEY | Phone Validation subscription โ enables validate_phone |
APITIER_VAT_KEY | VAT Validation subscription โ enables validate_vat |
APITIER_PINCODE_KEY | India Pincode subscription โ enables lookup_india_pincode |
APITIER_BARCODE_KEY | Barcode/QR Code subscription โ enables generate_barcode, generate_qrcode |
APITIER_CONVERT_DATA_KEY | Data Conversion subscription โ enables convert_data |
validate_sort_code requires no API key โ it is always available.
kyc_onboard_uk requires APITIER_POSTCODE_KEY + APITIER_LEAD_AGENT_KEY + APITIER_VAT_KEY (or a unified APITIER_MCP_KEY with all three subscriptions). The tool only appears when all three services are active.
Individual service keys take precedence over APITIER_MCP_KEY if both are set.
Test with the MCP Inspector:
Set APITIER_MCP_KEY in the inspector's environment variables panel.
Once connected to Claude Desktop or any MCP-compatible agent:
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