Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Pay-per-call data APIs for AI agents. USDC on Base via x402. 33 tools, no signup.
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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://api.polyform.org/mcpRun this in your terminal
claude mcp add --transport http polyform https://api.polyform.org/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"polyform": {
"url": "https://api.polyform.org/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": {
"polyform": {
"type": "http",
"url": "https://api.polyform.org/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://api.polyform.org/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.
Tool names and descriptions exactly as the server reported them on Nov 10, 2026. The maker wrote them, not us; we show them as plain text.
vehicle_vinVIN decode + open recalls (NHTSA) — Decode any US-market VIN to full vehicle specs and list open safety recalls. Source: US NHTSA (federal, authoritative). JSON. Price: $0.005 USDC (Base, via x402).
vehicle_deal_checkUsed-car deal check verdict — Given vin, asking price and miles: decoded specs, open recall count, fuel-cost estimate, and a buy/caution/walk verdict with reasoning. All public federal data. Price: $0.25 USDC (Base, via x402).
vehicle_fuel_economyFuel economy lookup (EPA) — EPA MPG figures and estimated annual fuel cost for a year/make/model. Source: fueleconomy.gov. JSON. Price: $0.003 USDC (Base, via x402).
domainDomain intelligence (RDAP) — Registration intelligence for any domain: creation/expiry dates, age in days, registrar, statuses, nameservers. Source: registry RDAP. JSON. Price: $0.005 USDC (Base, via x402).
email_domain_checkEmail domain deliverability check — Can this domain receive mail, and is it configured seriously? MX, SPF and DMARC via DNS-over-HTTPS with a deliverability summary. JSON. Price: $0.003 USDC (Base, via x402).
sec_companySEC company facts (EDGAR) — Latest key financial facts for a US public company by ticker or CIK: revenue, net income, assets, EPS from XBRL filings. Source: SEC EDGAR. JSON. Price: $0.01 USDC (Base, via x402).
fda_recallsFDA recall search (openFDA) — Search US FDA enforcement recalls for drugs, food, or devices by free-text query. Source: openFDA. JSON. Price: $0.005 USDC (Base, via x402).
ai_chatInference gateway (Llama on Workers AI) — Pay-per-call LLM completion. POST {messages:[{role,content},...]} (OpenAI-style), returns {reply}. No account, no API key — one x402 payment per call. Price: $0.01 USDC (Base, via x402).
weather_forecastUS weather forecast (NWS) — 7-day forecast for any US coordinate: periods with temperature, wind, precipitation chance, narrative. Source: National Weather Service. JSON. Price: $0.003 USDC (Base, via x402).
weather_alertsActive US weather alerts (NWS) — Active watches/warnings/advisories for a US state or coordinate: event type, severity, headline, timing. Source: National Weather Service. JSON. Price: $0.003 USDC (Base, via x402).
weather_hourlyUS hourly forecast (NWS) — Hour-by-hour forecast for any US coordinate: temperature, precipitation chance, wind, conditions for the next 48 hours. Source: National Weather Service. JSON. Price: $0.003 USDC (Base, via x402).
weather_currentUS current conditions (NWS) — Latest observed conditions near a US coordinate: temperature, wind, humidity, visibility, pressure from the nearest weather station. Source: National Weather Service. JSON. Price: $0.003 USDC (Base, via x402).
weather_metarAviation weather METAR/TAF (NOAA) — Raw and decoded METAR (and optional TAF) for any airport ICAO code. Source: NOAA Aviation Weather Center. JSON. Price: $0.003 USDC (Base, via x402).
weather_travel_riskUS weather travel-risk verdict — Judgment call for a US coordinate and date (within 7 days): LOW/MODERATE/HIGH/SEVERE weather risk with reasons, built from NWS forecast plus active alerts. JSON. Price: $0.015 USDC (Base, via x402).
geo_geocodeUS address geocoding (Census) — US street address to coordinates plus matched/normalized address. Source: US Census Bureau geocoder. JSON. Price: $0.002 USDC (Base, via x402).
geo_reverseUS reverse geocoding (Census) — Coordinates to US state, county, tract and block geography. Source: US Census Bureau. JSON. Price: $0.002 USDC (Base, via x402).
sec_filings_searchSEC filings full-text search (EDGAR) — Full-text search across SEC filings; filter by form type. Returns filing metadata and links. Source: SEC EDGAR full-text search. JSON. Price: $0.01 USDC (Base, via x402).
fda_drug_labelFDA drug label lookup (openFDA) — Official FDA label data for a drug by brand or generic name: indications, warnings, dosage. Source: openFDA. JSON. Price: $0.005 USDC (Base, via x402).
ipIP network intelligence (RDAP) — Who operates an IP: registry, network range, organization, country. Source: RIR RDAP. JSON. Price: $0.003 USDC (Base, via x402).
threat_ipIP threat / abuse reputation — Is this IP hostile? Reputation verdict for an IPv4 from public abuse feeds (blocklist.de, Spamhaus DROP) plus Polyform's own observed scanner traffic. Returns malicious flag, 0-100 score, and which sources flagged it. For bot filtering, fraud and fi
threat_scannersPolyform observed-scanner feed — Recent IPs caught probing Polyform's honeypot paths (credential/vuln scanners) — Polyform's own first-party telemetry, not a repackaged public list. Returns up to 500 most-recent scanner IPs with first-seen. For blocklists and threat research. JSO
econ_worldbankWorld Bank indicator lookup — Latest value of any World Bank indicator for a country (GDP, inflation, population...). Source: World Bank API. JSON. Price: $0.005 USDC (Base, via x402).
time_business_daysUS business-days calculator — Business days between two dates (exclusive of end), skipping weekends and US federal holidays; also returns the holiday list in range. Pure computation. JSON. Price: $0.001 USDC (Base, via x402).
vehicle_reportVehicle full report (bundle) — One call: decoded VIN specs + all open safety recalls + EPA fuel economy & annual cost + a buy/caution/walk verdict with reasoning. Fuses multiple NHTSA & EPA sources. JSON. Price: $0.25 USDC (Base, via x402).
domain_due_diligenceDomain due-diligence (bundle) — One call to vet a domain: registration/RDAP intel (age, registrar, status) + email deliverability (MX/SPF/DMARC) + threat reputation of the domain's hosting IP. For counterparties, sellers, links. JSON. Price: $0.02 USDC (Base, via x402).
geo_location_briefLocation brief (bundle) — One call for a US place — pass an address OR lat+lon: normalized address + county/state + current conditions + active weather alerts. JSON. Price: $0.02 USDC (Base, via x402).
sec_company_snapshotCompany snapshot (bundle) — One call: SEC company facts (revenue, net income, assets, EPS) + the company's most recent filings. Ticker or CIK. JSON. Price: $0.03 USDC (Base, via x402).
finance_health_scanCompany financial-health scan (bundle) — One call: a public company's revenue & margin trend, current ratio, profitability and recent material filings (8-K/10-K/10-Q) fused into a healthy/watch/distress verdict. Ticker or CIK. SEC EDGAR. JSON. Price: $0.05 USDC (Base, via x402).
realestate_site_riskProperty site-risk brief (bundle) — One call for a US property — pass an address OR lat+lon: FEMA flood-zone determination (SFHA yes/no), county/state, current conditions and active weather alerts, fused into a site-risk verdict. For lending, insurance, diligence. JSON. Price: $0
logistics_route_briefRoute & shipment brief (bundle) — One call: driving distance and time between two US points (addresses or lat,lon), an estimated fuel cost, and weather + active alerts at both ends, fused into a go/caution verdict. JSON. Price: $0.05 USDC (Base, via x402).
crypto_token_reportToken due-diligence (bundle) — One call to vet an ERC-20 token on Base or Ethereum: live USD price, holder count, and security signals (honeypot, mintable, open-source, buy/sell tax, owner & holder concentration) fused into a risk verdict. JSON. Price: $0.10 USDC (Base, via x402)
health_drug_briefDrug safety brief (bundle) — One call for a medication: RxNorm identity, FDA label safety text (boxed warning, warnings, interactions, contraindications) and the most-reported real-world adverse reactions (FDA FAERS). Reference data, not medical advice. JSON. Price: $0.05 USDC (B
legal_sanctions_screenSanctions & watchlist screen (bundle) — One call to screen a person or company name against the US Consolidated Screening List — OFAC SDN + Consolidated, BIS Entity/Denied/Unverified, State Dept debarred — with aliases: match/no-match, which list, programs, and a clear/review/hit
finance_insider_activityInsider trading activity (bundle) — One call: recent SEC Form 4 insider transactions for a public company — who bought/sold, share counts and dollar value over the last ~120 days, netted into a bullish/bearish/neutral insider signal. Ticker or CIK. SEC EDGAR. JSON. Price: $0.05 U
crypto_protocolDeFi protocol brief (bundle) — One call for a DeFi protocol by slug: total value locked (USD), category, chains it runs on with per-chain TVL, audit status and a one-line description. From DefiLlama. JSON. Price: $0.03 USDC (Base, via x402).
legal_reg_watchRegulatory watch (bundle) — One call: the most recent US Federal Register documents (rules, proposed rules, notices) matching a topic — with agency, type, date, and abstract. Optional agency filter. For compliance monitoring. JSON. Price: $0.03 USDC (Base, via x402).
finance_company_360Company 360 report (bundle) — One premium call: a public company's financial-health verdict (margins, current ratio, revenue trend), insider-trading signal (Form 4 buys/sells), SEC facts and recent filings — the full equity picture. Ticker or CIK. JSON. Price: $0.20 USDC (Base, v
business_vetBusiness counterparty vet / KYB (bundle) — One premium call to vet a business before onboarding: OFAC/Consolidated sanctions screen of the name + domain due-diligence (registration age, email posture, hosting-IP threat reputation) fused into an overall risk verdict with flags. Na
health_clinical_trialsClinical trials search (bundle) — One call: recent clinical trials for a condition and/or intervention — NCT id, title, status, phase, sponsor and last-update date. From ClinicalTrials.gov. For pharma, research, diligence. JSON. Price: $0.05 USDC (Base, via x402).
geo_earthquakesSeismic risk brief (bundle) — One call for a US point (address or lat+lon): recent earthquakes within a radius — count, largest magnitude, list, and a seismic-risk level. For insurance, siting, diligence. USGS. JSON. Price: $0.03 USDC (Base, via x402).
realestate_property_reportProperty hazard report (bundle) — One premium call for a US property — address or lat+lon: FEMA flood-zone determination + USGS seismic history (1yr) + current weather and active alerts, fused into an overall hazard verdict with factors. For insurance, lending, siting. JSON. Pric
domain_brand_protectionBrand-protection typosquat scan (bundle) — One call to find look-alike / typosquat domains impersonating a brand: generates common misspellings, character swaps, homoglyphs and alternate TLDs of your domain, checks which are actually registered/live via DNS, and flags those confi
finance_peer_compareCompany peer comparison (bundle) — One premium call comparing two public companies head-to-head: revenue, net income, net margin, YoY growth, current ratio and financial-health verdict side by side, with per-metric winners and a data-backed 'stronger financial profile' call. Two
trade_party_screenTrade-compliance party screen (bundle) — One premium call for import/export compliance: screens a counterparty name against the US Consolidated Screening List (OFAC + BIS + State) AND pulls recent US Federal Register actions on the commodity/topic (export controls, tariffs, rules
dns_lookupDNS record lookup — Resolve any DNS record type (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) for a hostname via DNS-over-HTTPS. JSON. Price: $0.002 USDC (Base, via x402).
crypto_gasEVM gas price — Current gas price for Base or Ethereum mainnet, in gwei and wei. Source: public RPC. JSON. Price: $0.002 USDC (Base, via x402).
crypto_balanceWallet balance (Base) — Native ETH + USDC balance for any address on Base mainnet. Source: public RPC. JSON. Price: $0.003 USDC (Base, via x402).
wiki_summaryWikipedia summary — Concise summary/extract for any Wikipedia topic, with the canonical URL. Source: Wikimedia REST API. JSON. Price: $0.003 USDC (Base, via x402).
url_checkURL status & redirect check — HTTP status, final URL after redirects, content-type and key response headers for a URL — without downloading the body. For link vetting and uptime checks. JSON. Price: $0.003 USDC (Base, via x402).
text_summarizeText summarizer (Workers AI) — Summarize arbitrary text into a concise summary. POST {text, sentences?}. Runs Llama on Workers AI. JSON. Price: $0.008 USDC (Base, via x402).
fx_rateFX exchange rate + convert — Live foreign-exchange rate (ECB reference rates via Frankfurter) from one base currency to one or more targets, with optional amount conversion. Price: $0.003 USDC (Base, via x402).
crypto_priceCrypto spot prices (USD) — Current USD spot price for one or more crypto assets by CoinGecko id (bitcoin, ethereum, solana, ...), from DefiLlama, with confidence and timestamp. Price: $0.003 USDC (Base, via x402).
crypto_fear_greedCrypto Fear & Greed Index — Current Crypto Fear & Greed Index (0=extreme fear, 100=extreme greed) with classification - a widely-used market-sentiment signal. Price: $0.002 USDC (Base, via x402).
business_onboard_decisionOnboarding decision (bundle) — One call: APPROVE/REVIEW/REJECT onboarding gate + 0-100 risk score, fusing KYB counterparty vet, OFAC/CSL sanctions screening, and adverse US regulatory actions. Price: $0.50 USDC (Base, via x402).
finance_diligence_briefInvestment diligence brief (bundle) — One call: CONSTRUCTIVE/NEUTRAL/CAUTION posture on a public company, fusing financial-health + insider activity (SEC EDGAR), optional peer comparison, and issuer sanctions screening. Price: $0.50 USDC (Base, via x402).
trade_shipment_clearanceShipment clearance (bundle) — One call: CLEAR/REVIEW/HOLD export/import pre-screen — screens the counterparty (US CSL), checks the destination against US embargo lists, and flags export-controlled commodities. Price: $0.45 USDC (Base, via x402).
realestate_underwriteProperty underwriting (bundle) — One call: STANDARD/SURCHARGE/REFER hazard-underwriting posture for a US address, fusing FEMA flood zone, USGS seismic history, and active NWS weather alerts. Price: $0.40 USDC (Base, via x402).
ip_intelligenceIP intelligence report (bundle) — One call: ALLOW/REVIEW/BLOCK connection-risk verdict + 0-100 score for an IP — fuses RDAP ownership/registry, reverse-DNS (PTR), abuse-feed & first-party honeypot threat reputation, and datacenter/residential classification. Price: $0.08 USDC (Ba
url_safetyURL / link safety check (bundle) — One call: SAFE/CAUTION/DANGER verdict for a URL — checks reachability & redirects, destination domain age, and hosting-IP reputation before an agent follows the link. Price: $0.05 USDC (Base, via x402).
email_sender_trustEmail sender trust (bundle) — One call: TRUST / REVIEW / REJECT verdict + 0-100 risk for an email address or sending domain — fuses SPF/DMARC enforcement, domain age (RDAP), and the sending domain's hosting-IP threat reputation. For agents filtering inbound mail, leads and sender
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 10, 2026
The registry lists no source repo, so we cannot match the publisher (polyform.org) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 60 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 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 (1.0.0) reached the registry 2 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, Doricomcp
Servers in the same category from other makers, sorted by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
Read and edit a live Dorico 6 score by conversation, through Dorico's own interfaces.
No README found in the repo