What tools does the openfang-rail MCP server provide?

openfang-rail exposes 23 tools: aba_routing_check, abn_check, balance_check, batch_validate, block_info, company_number_format, e164_check, ein_format_check, erc20_balance, iban_check, ifsc_check, isbn_check, lei_check, luhn_check, rental_listing_risk, rental_verdict, rent_deposit_guard, sedol_check, settlement_history_check, swift_bic_check, tx_activity, vat_mod97_check, vendor_onboarding_pack. This list was returned by the running server when we connected to it.

Does openfang-rail require an API key?

No. openfang-rail answered a tools/list request without credentials.

How do I install openfang-rail?

Run: claude mcp add --transport http openfang-rail https://rail.akrivis.in/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 27h ago

openfang-rail

Deterministic IBAN/LEI/VAT/SWIFT/rental-fraud checks via MCP; x402 USDC per call, signed receipts.

Maps, weather & location Finance & crypto App & platform development

Install

Remote (HTTP)

claude mcp add --transport http openfang-rail https://rail.akrivis.in/mcp

Tools 23

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 27h ago

Tools & capabilities

23 tools

Read from the running server on 27h ago.

aba_routing_check read-only aba_routing*

Validate a US ABA routing number by its (3,7,1)-weight mod-10 checksum.

abn_check read-only abn*

Validate an Australian Business Number by its mod-89 checksum (11 digits).

balance_check read-only address*token_address

On-chain balance snapshot: native ETH balance plus one ERC-20 token balance (defaults to USDC on Base), with raw units and decimals provenance. Preflighted so you never pay during…

batch_validate read-only items*

Run up to 50 identifier checks (IBAN / LEI / VAT / UK company / SWIFT / ABA / EIN / IFSC / ABN / Luhn / ISBN / E.164 / SEDOL) in ONE paid call: one voucher, one settlement, one sig…

block_info read-only block

Latest (or specified) Base block header: number, timestamp, transaction count, base fee. Preflighted so you never pay during an RPC outage.

company_number_format read-only company_number*

Validate UK Companies House number format (not existence).

e164_check read-only phone*

Validate a phone number's E.164 structure (+CC, 8-15 digits, no leading zero).

ein_format_check read-only ein*

Validate US Employer Identification Number FORMAT (NN-NNNNNNN). No public EIN checksum exists.

erc20_balance read-only address*decimalstoken_address*

Raw + formatted ERC-20 balanceOf for an address at any token contract (decimals read on-chain when available; common-list/18 fallback is labeled). Preflighted so you never pay duri…

iban_check read-only iban*

Validate an IBAN by ISO 13616 structure and MOD-97-10 checksum (offline, no bank lookup).

ifsc_check read-only ifsc*

Validate an Indian IFSC by RBI structure (BBBB0NNNNNN; 5th character always 0).

isbn_check read-only isbn*

Validate an ISBN-10 (mod-11) or ISBN-13 (1,3-weight mod-10) checksum.

lei_check read-only lei*

Validate a Legal Entity Identifier (ISO 17442 + ISO 7064 MOD-97-10 check digits).

luhn_check read-only number*

Validate any 12-19 digit number by the Luhn mod-10 algorithm (card-style checksums). Never submit real card numbers.

rental_listing_risk read-only urgency_pressureno_in_person_viewingpayment_irreversibleprice_below_market_pctphotos_reverse_image_hitcontact_moves_offplatform +2

Explainable rental-fraud risk score over listing red-flag signals (deterministic rule engine).

rental_verdict read-only deposit_iban*landlord_leiproperty_countryurgency_pressurelandlord_company_nono_in_person_viewing +4

One combined, signed rental due-diligence verdict: deposit + landlord entity (LEI/company) + listing risk.

rent_deposit_guard read-only deposit_iban*property_countrydeposit_before_viewing

Rental deposit safety: IBAN checksum + property/deposit country alignment + pre-viewing flag.

sedol_check read-only sedol*

Validate a UK/Ireland security identifier by its (1,3,1,7,3,9)-weight mod-10 checksum.

settlement_history_check read-only address*

On-chain counterparty check: USDC transfers SENT and RECEIVED by an address over the last ~48h of Base blocks (counts, volumes, sample tx hashes). Preflighted so you never pay duri…

swift_bic_check read-only bic*

Validate a SWIFT/BIC code by ISO 9362 structure (bank code, ISO country, location, optional branch).

tx_activity read-only address*

On-chain activity snapshot for an address: total outbound transaction count (nonce), whether the address is a contract (eth_getCode), and a first-funded heuristic (nonce > 0). Pref…

vat_mod97_check read-only vat_number*

Structural VAT check (BE mod-97 family).

vendor_onboarding_pack read-only leiibanvat_numbercompany_number

Screen a vendor's identifiers in ONE signed call: IBAN + LEI + VAT + UK company number — each checksummed, one verdict, one receipt. Half the price of four single checks.