MCP Servers

Live crypto cycle data: 48-signal Bitcoin cycle model, Bitcoin ETF flows, ASX ETFs, altseason

S

SavingsLast retirement calculators

savingslast.com

Retirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators

271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto

Free Polymarket search; EUR100 written reports or one-rule QA; EUR500 five-rule QA by quote

Polymarket resolution-rule research for approved customers; public discovery is separate

B20 Truth MCP: check Base B20 token claims against on-chain evidence. Paid reports via x402 USDC.

Policy-gated Arc payment routing: hard caps, signed mandates, hash-chained proof

Find paid APIs, check access policy and price, and route x402 requests. No autonomous spending.

Options radar MCP: Astra scorecard, decisions ledger, options scans, gas + arb. x402 USDC on Base.

Coherence-gated signal engine MCP: multi-path trade gating, GEX/squeeze reads, paid Jev verdict

Robinhood Chain stock-token + prediction-market intelligence MCP. Read-only, evidence-first.

S

SCRIPTMASTERLABS — SqueezeOS MCP

scriptmasterlabs.com

SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.

Triple-Trigger MCP: SPEC v2 triple-trigger ticker scans on live Schwab data. $0.05 x402 on Base.

x402 Gateway MCP: payment contract, gateway status, and Coherent Gate signal checks (interfere)

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

S

SeasonalEdge

seasonaledge.com

Find the calendar days, weeks and events that beat simply holding a US stock or ETF, year by year

SEC EDGAR data as tools: filing search, full text, XBRL financials, insider trades, 13F, 8-K events

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

S

SendPay free business calculators

app.sendpaybusiness.com

Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks

Generate branded contractor quotes: hosted approval page, PDF, QR code, and Stripe payment link

Price trends, CAGR, rental yield for Singapore private and HDB property, from URA/HDB records

S

Sharpnel Trading — Dealer Gamma Levels

sharpnel-trading.com

Free dealer-gamma call walls, put walls and gamma flip for ES, NQ, SPX and QQQ, graded daily

Portfolio analytics + US-equity market research for AI clients. ChatGPT deep-research compat

Live Argentina data: dolar rates, quiniela and lotteries, holidays, river levels, inflation, news

S

Signed Investors

signed.com

Search Signed's public angel investor directory by sector, check size, or keyword. No login needed

S

Signed

signed.com

Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account

Non-binding car insurance estimates from Sigo Seguros, a licensed agency, not a carrier

Catálogo, precios, artículos, compliance y datos de Siigo por país, en vivo para agentes de IA.

Agent payment readiness and AI visibility checks, $1 per call over MPP or prepaid credits

S

Simple Fatoora

simplefatoora.com

Saudi e-invoicing: invoices, quotations, sales and VAT reports, and ZATCA Phase 2

S

situationatlas

situationatlas.com

AI-summarized filings from 7 markets with special-situations screens, for research agents

CS2 skin prices, case odds and ROI, Armory value, and Trade Up contracts

Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed

S

SmarterDividends

smarterdividends.com

Free U.S. dividend data: yields, ex-dates, raises and cuts, safety grades, option-income ETFs.

Financial calculators over MCP: compound interest, FIRE, historical returns, deep links, 6 languages

Ranks business software and payment providers by monthly cost at your numbers, AU, UK, US

Live Bitcoin, Litecoin, Dogecoin and Zcash data: balances, transactions, blocks, fees, prices

Pay for x402 paywalls, datasets, and store checkouts on Solana, behind hard spending caps

S

Solvicus FinOps - GCP Committed Use Discount (CUD) Optimization

solvicus.com

FinOps for Google Cloud: size 1- and 3-year CUD commitments to known demand. Also solves LP/MIP

Agent wallet & Pulse Market MCP: register, hire with escrow, earn USDC. 20 tools. MIT

Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402

S

SpellBook Finance

spellbook-finance.com

Magic: The Gathering card prices, movers, arbitrage, sealed box EV, and seller inventory tools

IFRS engine: 31 standards, 20 tools. Journal entries, XBRL tags, ECL, CGU impairment, deferred tax

S

SprintCheckout

sprintcheckout.com

Read payment settings, orders and receipts, create payment links and API keys

S

SquawkFlow Market Structure

mcp.squawkflow.com

Free keyless dealer gamma, OI change, market calendar, 13F, congress and CFTC data, dated, cited

SR&ED Claim Calculator: the site's own MCP server — calculator, enquiry (enquiry = a human...

SR&ED Finder: the site's own MCP server — compare, enquiry (enquiry = a human handoff, not a...

Industry-standard bond math for AI agents: price, yield, accrued interest, duration, yield-to-worst

Pay-per-call compliance data: OFAC sanctions, merchant check, LEI, SEC, WHOIS, FX. x402 in USDC/XRP

Five read-only tools: spot prices, observed premiums, price history, Goldback rate, and currencies

S

StalkChain Data

stalkchain.com

Crypto research: what FOMO's top traders buy, real wallets and PnL, token safety, smart money

Daily end-of-day OHLCV stock data for U.S.-listed symbols, 15 years of history. Free API key

Turn bank statement PDFs, CSVs, XLSX and OFX into categorised transactions plus a summary

Solana + Robinhood-Chain token safety & net-USD accumulation intel for trading agents

Send the roach in first: Solana token holder checks for agents. Pay per call, no key.

S

StockFloc Fire & Ice

stockfloc.com

Today's fire and ice stock movers and the Floc Heat Index, from the most visual stock watchlist.

Scores for the 600 largest stocks with no account. Sign in for analysis, screening and a watchlist

US stocks and options data via SQL: bars, ticks, greeks, fundamentals, filings. No key

S

Stratalize Crypto & DeFi

stratalize.com

Retired. Use com.stratalize/stratalize

S

Stratalize Finance

stratalize.com

Retired. Use com.stratalize/stratalize