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net.postandshare/nigerian-reference-data

by postandshare.net · remote · no sign-in to list tools · v0.1.0 · published by net.postandshare

Nigerian phone, bank-account and identity-number validation for AI agents. Pay-per-call in USDC.

Changes · 7
CompareRegistry entry

11 tools: 7 change things and 4 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http nigerian-reference-data https://api.postandshare.net/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

11 tools

Changes things 7Claude Code: ask
  • chain_balance$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. Native-token (ETH/POL) balance of an EVM address, with a USD value at the current spot price.
  • chain_block$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. Block header by number or latest: timestamp, transaction count, gas used, base fee.
  • chain_block_number$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. The latest block number on Base, Ethereum, Arbitrum One or Polygon. Pay-per-call in USDC over x402.
  • chain_gas$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. Current gas price on a chain plus the cost of a plain native transfer, in native token and USD.
  • chain_token$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. ERC-20 token metadata (symbol, name, decimals) and one holder's balance.
  • chain_tx$0.001 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.001 per call. Transaction receipt by hash: success/failed status, block, gas used, and the fee in native token and USD.
  • ng_identity_format$0.002 per call.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    $0.002 per call. Format-validate a Nigerian NIN, BVN, TIN, CAC RC or CAC BN number. Returns validity only — no database lookup and no personal data.
Only reads 4Claude Code: allow
  • chain_networksList the chains this API can read: Base, Ethereum, Arbitrum One, Polygon, with chain ids.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List the chains this API can read: Base, Ethereum, Arbitrum One, Polygon, with chain ids. Free — no payment required.
  • ng_bank_validate$0.003 per call.No findings

    Why it is in this group

    • The name "ng_bank_validate" says "validate": a word for reading.
    Description, as the server wrote it
    $0.003 per call. Validate a 10-digit NUBAN account number against its 3-digit CBN bank code using the check-digit algorithm. Format validation only — does not confirm the account exists.
  • ng_phone_lookup$0.003 per call.No findings

    Why it is in this group

    • The name "ng_phone_lookup" says "lookup": a word for reading.
    Description, as the server wrote it
    $0.003 per call. Normalise a Nigerian phone number (local, +234 or 234 form) and return E.164, line type and network from the prefix allocation. Pay-per-call in USDC over x402.
  • ng_statesList all 36 Nigerian states plus the Federal Capital Territory with their capitals.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List all 36 Nigerian states plus the Federal Capital Territory with their capitals. Free — no payment required.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.1.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http nigerian-reference-data https://api.postandshare.net/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__nigerian-reference-data__ng_states",
      "mcp__nigerian-reference-data__ng_phone_lookup",
      "mcp__nigerian-reference-data__ng_bank_validate",
      "mcp__nigerian-reference-data__chain_networks"
    ],
    "ask": [
      "mcp__nigerian-reference-data__ng_identity_format",
      "mcp__nigerian-reference-data__chain_block_number",
      "mcp__nigerian-reference-data__chain_balance",
      "mcp__nigerian-reference-data__chain_gas",
      "mcp__nigerian-reference-data__chain_block",
      "mcp__nigerian-reference-data__chain_tx",
      "mcp__nigerian-reference-data__chain_token"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as nigerian-reference-data. Review it before you use it.