Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
European business verification for AI agents: registry, VAT, sanctions, IBAN. Pay-per-call x402.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://data.greeneris.io/mcpRun this in your terminal
claude mcp add --transport http eu-verify https://data.greeneris.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"eu-verify": {
"url": "https://data.greeneris.io/mcp"
}
}
}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.
Paste into .vscode/mcp.json in your project
{
"servers": {
"eu-verify": {
"type": "http",
"url": "https://data.greeneris.io/mcp"
}
}
}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:
https://data.greeneris.io/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
We have not read this server’s tool list yet; we check endpoints in rotation.
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 6, 2026
The registry name was verified with the GitHub account contentfactory, which owns the repo
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Not checked yet; we check endpoints in rotation
Not checked yet; we check endpoints in rotation
Not checked yet; we read the tool list when we check the endpoint
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
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.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.4.0) reached the registry 3 months ago.
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.
In the same category: Spec Driven Development, Remote Desktop Commander, topo^alpin
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
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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· MCP Registry · data.greeneris.io
Your agent can verify any European business partner — and pay for it by itself.
One call, full due diligence: verify_supplier_fr checks a French company's existence, insolvency, VAT and sanctions in a single request and returns a risk verdict. Or use the building blocks: company registry, insolvency (BODACC), EU VAT (VIES), SIRET / IBAN / LEI / EORI checks, sanctions screening (EU/OFAC/UN/UK/FR), address and email verification, French business-day deadlines, EU public tenders.
No account. No API key. Each call costs $0.001–$0.05 in USDC on Base, paid automatically through the x402 protocol — the payment *is* the authentication.
https://data.greeneris.io/mcp (streamable HTTP) — 16 verification tools + a free cataloghttps://data.greeneris.io/llms.txt — full plain-text catalog/openapi.json · x402 manifest: /.well-known/x402 · status: /agent-statusEvery intra-EU B2B invoice legally requires a valid VAT number. Every serious supplier onboarding requires a company existence check. These are actions that procurement, compliance and due-diligence agents repeat thousands of times — and the official European data behind them was never packaged for agents. Now it is.
| MCP tool | What it answers | Source | Price |
|---|---|---|---|
| `verify_supplier_fr` | One-call risk verdict: existence + insolvency + VAT + sanctions | SIRENE + BODACC + VIES + sanctions | $0.05 |
screen_sanctions | Is this name on a sanctions list? (EU, OFAC, UN, UK, FR) | 5 official lists, refreshed daily | $0.01 |
lookup_company_fr | Does this French company exist? Status, NAF, HQ, finances | INSEE Sirene (official) | $0.005 |
lookup_company_uk | UK company profile + officers + PSC (quasi-UBO) + risk flags | Companies House (official) | $0.01 |
check_insolvency_fr | Any insolvency / liquidation proceedings? | BODACC (official gazette) | $0.01 |
invoice_ready_fr | Is this SIREN invoiceable? (checksum + existence + VAT) | SIRENE + VIES | $0.02 |
validate_vat_eu | Is this EU VAT number valid? (pre-invoicing check) | VIES (European Commission) | $0.005 |
validate_siret_fr | Is this SIREN/SIRET well-formed? (offline checksum) | ISO/Luhn | $0.001 |
validate_iban | Is this IBAN valid? (85 countries, offline) | ISO 13616 mod-97 | $0.001 |
check_eori | Is this EU customs (EORI) operator registered? | EU EOS/DDS2 (official) | $0.003 |
lookup_lei / lei_ownership | Resolve a Legal Entity Identifier + ownership chain | GLEIF (official) | $0.005 |
verify_address_fr | Does this French address exist? Geocoded | Base Adresse Nationale | $0.001 |
validate_email | Will email to this address be deliverable? Live MX check | DNS-over-HTTPS | $0.005 |
business_days_fr | Deadline N business days from date X in France | computed (incl. holidays) | $0.005 |
find_public_tenders_eu | Recent EU public tenders by sector/country | TED (Official Journal EU) | $0.01 |
catalog | Everything this shop sells | — | free |
Plus 6 more national company registries at $0.003 (/v1/{no,cz,pl,fi,sk,ie}/company — Norway, Czechia, Poland, Finland, Slovakia, Ireland) and 70+ supporting data endpoints (FX, macro, energy, weather, crypto) at commodity prices — see /llms.txt.
Buyers are never charged for empty or failed answers (an upstream failure returns an error *before* settlement). No personal data is served (GDPR: director names are stripped from registry answers).
Claude Code:
claude mcp add --transport http eu-verify https://data.greeneris.io/mcp
Cursor / any MCP client (mcpServers config):
{
"mcpServers": { "eu-verify": { "url": "https://data.greeneris.io/mcp" } } }
Then just ask: *"Run a supplier risk check on SIREN 552032534"* — the agent calls verify_supplier_fr and gets back existence, insolvency, VAT and sanctions in one verdict. Or: *"Screen 'ACME Trading' against sanctions lists before we onboard them."*
Payments over MCP: a paid tool called without payment returns the x402 quote in the response _meta; x402-aware MCP clients (e.g. the x402 Python SDK's MCP client, AWS Bedrock AgentCore) attach the USDC payment and retry automatically. Clients without wallet support can read the quote and fall back to the HTTP API.
Every endpoint answers HTTP 402 with a machine-readable quote until paid:
curl -i "https://data.greeneris.io/v1/fr/company?q=airbus"
Paying client in Python (~15 lines, examples/buy_with_python.py):
from eth_account import Account
from x402 import x402Client from x402.http.clients import x402HttpxClient from x402.mechanisms.evm.exact import register_exact_evm_client
buyer = Account.from_key(PRIVATE_KEY) # a wallet holding a little USDC on Base client = x402Client() register_exact_evm_client(client, buyer)
async with x402HttpxClient(client) as http: # reads the 402, pays, retries r = await http.get("https://data.greeneris.io/v1/eu/vat-check?cc=IE&vat=6388047V") print(await r.aread())
TypeScript and other languages: see the official x402 SDKs.
/agent-status.The examples in this repository are MIT-licensed. The API itself is a paid service — each response includes its source attribution.