io.github.89rat/openfang-rail

up checked 2026-11-11T06:38:19.303Z

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Publisher-provided title

openfang-rail

Publisher-provided description

Deterministic banking, LEI, VAT, SWIFT & compliance checks via MCP with signed XDR-1 receipts.

Summary by lookupd

Runs deterministic checksum and format validation for bank, tax and entity identifiers, plus Base chain balance and block lookups, with…

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add openfang-rail --url https://hcrb.in/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "openfang-rail": {
      "url": "https://hcrb.in/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 57)

Publisher-provided text

• crypto_ticker Spot USD price for a crypto ticker or CoinGecko id from public price feeds, cached 60 s. Result carries a signed receipt.
• erc20_balance Raw and formatted ERC-20 balanceOf for an address on Base, with decimals read from the token. Result carries a signed receipt.
• fx_spot_price_oracle Reference fiat and stablecoin conversion rate from a static table, not a live feed. Returns rate and inverse; result carries a signed receipt.
• block_info Base chain (8453) block header data: block number, timestamp, transaction count and base fee for any block. Result carries a signed receipt.
• tx_activity Outbound transaction count (nonce) and contract-or-EOA check for an address on Base. Result carries a signed receipt.
• token_contract_risk Deterministic Base contract facts: ERC-20 metadata, proxy slots, owner(), privileged-function selectors and flags. Not a safety verdict. Result carries a signed
• clean_markdown_scraper Fetch a public web page by URL (or take your HTML) and return Markdown plus headings. No JavaScript rendering. Result carries a signed receipt.
• context_distill Deterministic text digest: word count, top-5 most frequent meaningful words (stop words excluded), first sentence, and a keccak-256 content hash. Pure function
• instant_json_schema_verifier Validate JSON data payloads against schema definitions. Preflighted for agent tool call pipelines.
• balance_check Native ETH and one ERC-20 balance (default USDC) for an address on Base, raw and formatted. Result carries a signed receipt.
• calculate_fx_savings Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The com
• iban_check Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.
• lei_check Validate a 20-character LEI and MOD-97 check digits. No registry lookup, active-registration check or legal-entity identity verification.
• vat_mod97_check Check the supported Belgian VAT format and MOD-97 checksum. BE only; not VIES, other EU VAT formats, registration status or tax compliance.
• swift_bic_check Check SWIFT/BIC structure and country code. Does not establish bank existence, active routing or beneficiary identity.
• batch_validate Validate up to 50 tax, bank and legal-entity identifiers (IBAN, LEI, VAT, SWIFT/BIC, ABA routing, EIN, IFSC, ABN, GSTIN, ISIN, SEDOL, EAN-13, ISBN, E.164 or Luh
• vendor_onboarding_pack Check supplied IBAN, LEI, Belgian VAT and UK company-number fields in one result. Structural checks only; no ownership, registry or fraud clearance.
• india_supplier_check One call, one receipt: GSTIN + PAN + UPI VPA + IFSC for an Indian counterparty. Four deterministic structural checks, each stating its own scope. Built for cros
• pre_disbursement_guard Check supplier tax and bank identifiers (IBAN, LEI, EU VAT, UK company number), domain-age evidence and country mismatch signals before vendor payment. Requires
• gstin_check Validate an Indian GSTIN by structure (2-digit state code + PAN + entity code + 'Z') and its mod-36 cross-sum checksum.
• ifsc_check Check the 11-character Indian IFSC format, including its fifth-character zero. No bank-branch registry lookup or account verification.
• sanctions_address_screen Screen an EVM wallet address or ISO country code by exact comparison against the identified sanctions address snapshot and existing operator block policy. Curre
• company_number_format Check supported UK company-number syntax. No Companies House lookup, entity-existence check or active-registration verification.
• aba_routing_check Validate a US ABA routing number by its (3,7,1)-weight mod-10 Fedwire/ACH checksum. Catches mistyped or invalid routing numbers before payment; does NOT prevent
• ein_format_check Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt.
• abn_check Validate an Australian Business Number by its mod-89 checksum (11 digits). Required before invoice payment to Australian contractors. Returns signed XDR-1 recei
• e164_check Validate a phone number's E.164 structure (+CC, 8-15 digits, no leading zero) before dispatching SMS alerts or OTPs. Returns signed XDR-1 receipt.
• sedol_check Validate a UK/Ireland security identifier by its (1,3,1,7,3,9)-weight mod-10 checksum. Returns signed XDR-1 receipt.
• isin_check Validate an ISIN (ISO 6166) by structure and Luhn mod-10 check digit over the A=10…Z=35 converted string.
• ean13_check Validate an EAN-13 barcode by its mod-10 checksum (odd positions x1, even positions x3).

Details

• Version: 1.2.1
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 520 ms
• First indexed: 2026-11-01T09:03:24.420Z
• Last seen in registry: 2026-11-01T09:03:24.439Z
• Website: https://hcrb.in

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• Last crawl: 2026-11-11T17:17:22.074Z
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