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Genesis402 by UnyKorn (x402 pay-per-call)

by FTHTradingversion 0.3.10i★ –iComputer or cloud
Registry nameio.github.FTHTrading/genesis402-mcp

Install

Overview

Description from the maker (original English)

Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Computer or cloud
  • Transport: stdio, Streamable HTTP
  • Category: Law & government data
  • You need to fill in: GENESIS402_PAYER_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • You fill in yourself: GENESIS402_LIVE, GENESIS402_PAYER_KEY, GENESIS402_MAX_USD

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • Runs in the cloudNothing to install; it connects over the internet
  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://twin.unykorn.org/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "genesis402": {
      "command": "npx",
      "args": [
        "-y",
        "genesis402-mcp"
      ],
      "env": {
        "GENESIS402_LIVE": "your-value",
        "GENESIS402_PAYER_KEY": "your-value",
        "GENESIS402_MAX_USD": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add --transport http genesis402 https://twin.unykorn.org/mcp

Or run it on your computer

claude mcp add genesis402 --env GENESIS402_LIVE=your-value --env GENESIS402_PAYER_KEY=your-value --env GENESIS402_MAX_USD=your-value -- npx -y genesis402-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "genesis402": {
      "url": "https://twin.unykorn.org/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "genesis402": {
      "command": "npx",
      "args": [
        "-y",
        "genesis402-mcp"
      ],
      "env": {
        "GENESIS402_LIVE": "your-value",
        "GENESIS402_PAYER_KEY": "your-value",
        "GENESIS402_MAX_USD": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "genesis402": {
      "type": "http",
      "url": "https://twin.unykorn.org/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "genesis402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "genesis402-mcp"
      ],
      "env": {
        "GENESIS402_LIVE": "your-value",
        "GENESIS402_PAYER_KEY": "your-value",
        "GENESIS402_MAX_USD": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://twin.unykorn.org/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • GENESIS402_LIVE env
    Set to 1 to allow paying. 0 or unset = quote-only, nothing is signed.
  • GENESIS402_PAYER_KEY secret env
    Private key of a Base wallet holding USDC, used only when GENESIS402_LIVE=1.
  • GENESIS402_MAX_USD env
    Refuse any quote above this many USD (default 0.25).

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account FTHTrading, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Law & government datai

  • More stars than 0% of the other 1744 servers in this category
  • Published to the registry more recently than 49% of the other 1744 servers in this category
  • Basic checks equal to or better than 100% of the other 1744 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Genesis402 by UnyKorn (x402 pay-per-call) safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: GENESIS402_PAYER_KEY

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.3.10) reached the registry 33 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Romania Company Check, Japan Company Check, U.S. Public Company Check

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Romania company checks by CUI: status, insolvency, LEI and sanctions from official registers.

Runs in the cloudUpdated today
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Japan company checks by corporate number: status, closure cause, successor, LEI and sanctions.

Runs in the cloudUpdated today
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U.S. public company checks by SEC CIK: filing status, bankruptcy 8-K flag, LEI and sanctions.

Runs in the cloudUpdated today
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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

genesis402-mcp

Genesis402: pay-per-call APIs for AI agents over x402.

This is the MCP server for the Genesis402 rail: 360 pay-per-call endpoints covering DeFi and market data, SEC financials, wallet and token risk signals from public data, web and domain lookups, AI text tools, and multi-chain reads across EVM chains, Solana, Bitcoin, Stellar and the XRP Ledger.

Pay only for the call you make: no account, no subscription, no API key. Prices from $0.001 per call, shown before you pay. This package pays in USDC on Base via x402 v2.

Quote-only by default

Quote-only by default: nothing is signed or paid until you turn paying on and set a price cap.

Out of the box every paid tool returns the price quote and stops. To enable payment you must set *both* GENESIS402_LIVE=1 and GENESIS402_PAYER_KEY. Even then, any quote above GENESIS402_MAX_USD (default $0.25) is refused rather than paid.

The rail sets the price. This client never does; it only decides whether to accept it.

Hosted endpoint (no install)

Connect any MCP client that supports streamable HTTP to https://twin.unykorn.org/mcp. It exposes the same 22 tools over every endpoint in the catalog.

  • Hosted MCP endpoint at https://twin.unykorn.org/mcp: it holds no keys. A paid tool returns the exact x402 quote.
  • To pay, sign an x402 v2 payment for that quote with your own wallet (for example @x402/fetch or a CDP/AgentKit wallet) and call the tool again with payment_signature.
  • Health check: https://twin.unykorn.org/mcp/health

Install (local, stdio)

// Claude Desktop: claude_desktop_config.json

// Cursor: .cursor/mcp.json { "mcpServers": { "genesis402": { "command": "npx", "args": ["-y", "genesis402-mcp"] } } }

That configuration can browse the catalog and see prices, and cannot spend anything.

To let it pay:

{

"mcpServers": { "genesis402": { "command": "npx", "args": ["-y", "genesis402-mcp"], "env": { "GENESIS402_LIVE": "1", "GENESIS402_PAYER_KEY": "0x ", "GENESIS402_MAX_USD": "0.05" } } } }

Use a dedicated key holding a few dollars of USDC on Base, never your main wallet.

Tools (14)

Each paid tool's description carries its live price, read from the rail's /.well-known/x402 manifest at startup, so a price change on the rail never leaves this client advertising a stale number.

ToolCostWhat it does
genesis402_catalogfreeEvery endpoint with price, title, path and parameters. Call first.
genesis402_receiptfreeA paid-call receipt by id from the public receipts feed.
genesis402_callper endpointCall any endpoint in the catalog by name.
genesis402_wallet_briefpaidWallet risk signals in one call: public sanctions-list check, 10-chain scan, activity and summary, with an evidence hash.
genesis402_token_briefpaidToken pre-trade check: metadata, price, holder concentration, source verification, sanctions-list signal.
genesis402_screen_sanctionspaidPublic-data sanctions-list signal: OFAC SDN digital-currency entries and community blocklists.
genesis402_multi_chain_scanpaidOne call across 10 EVM chains for a single address.
genesis402_defi_yieldspaidDeFi yields from 15,000+ pools, filterable by chain, protocol, token, stablecoin-only and minimum TVL.
genesis402_market_snapshotpaidPrice with 24h and 7d change for the major coins, or up to 25 you name, in one call.
genesis402_sec_financialspaidAs-reported fundamentals for a US public company from SEC XBRL.
genesis402_email_checkpaidEmail/domain deliverability: MX, provider, SPF, DMARC, disposable flag.
genesis402_whoispaidDomain registrar, age, expiry, status and nameservers via RDAP.
genesis402_extract_jsonpaidExtract your fields from any text as JSON; missing fields are null, never invented.
genesis402_web_extractpaidAny public web page as clean text, title, headings and links.
genesis402_provepaidA signed Ed25519 receipt binding your SHA-256 digest (or text) to a settled payment.
genesis402_summarizepaidSummary of text you supply: paragraph, bullets or TL;DR, 20 to 400 words.
genesis402_answer_from_textpaidOne answer from your document plus a supporting quote the rail verifies is in the text.
genesis402_translatepaidTranslation into any major language; names, numbers and formatting preserved.
genesis402_paper_searchpaidOpenAlex scholarly search, by relevance or most-cited, with open-access links.

How a paid call works

  1. Free validation. Parameters go to the rail's free /__validate first. Bad input is refused before a quote is even requested.
  2. Free quote. An unpaid request returns the 402 challenge with the price.
  3. Payment, only in live mode, only under your cap, through the standard x402 v2 client.
  4. Result and receipt. A signed receipt for every paid call, listed on the rail's public receipts feed.

One payment buys exactly one execution; re-presenting it returns 409.

Limits, stated plainly

  • Risk and sanctions results are automated heuristic signals from public data. They are not KYC, not a compliance determination, and not legal advice. Absence from every list is not a clearance.
  • prove records a claim; it does not evaluate it. The receipt chain is not externally anchored: a valid receipt shows the rail issued it and has not altered it, not that the rail could not have back-dated its own chain.

Environment

VariableDefaultMeaning
GENESIS402_ORIGINhttps://twin.unykorn.orgRail origin.
GENESIS402_LIVEunset1 enables payment. Anything else is quote-only.
GENESIS402_PAYER_KEYunsetPrivate key that funds calls. Required for live mode.
GENESIS402_MAX_USD0.25Hard cap per call, checked against the quote and again when signing. Quotes above it are refused; a zero, negative or non-numeric value keeps the server quote-only.

Community

Questions, feedback and a free counterparty report (/check): UnyKorn Discord.

Testing

node smoke.mjs      # read-only checks against the live rail; never pays

node boot-test.mjs # boots over stdio and lists the tools a client would see

UnyKorn LLC (Wyoming). MIT licensed. Changes: CHANGELOG. Discovery: /.well-known/x402 · Receipts: /receipts

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