"How to obtain an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Startup deal flow for angel investors, micro-VCs and AI agents. Search pre-seed, seed and early-stage startups actively raising capital, filtered by sector, stage, raise amount and location. Each result includes the problem, traction, green flags and a link to the full pitch, and any pitch can be opened for its complete public details. Founders can also create a draft pitch straight from their agent. Powered by PitchSpark, the pitch marketplace where investors discover founders.
Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals.
Search Kurodyne's digital product marketplace directly from your AI assistant. Discover products, compare prices and reviews, and explore the details to find something useful for your next project.
Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.
Stocks, ETFs, crypto, commodities, forex: quotes, fundamentals, SEC filings, point-in-time history.
Global stock and UCITS ETF research. Free: 700 successful MCP tool calls per rolling 30 days. Pro: CHF 5/month or CHF 50/year for higher usage. Screen stocks, compare fund costs and holdings, and inspect company risks. No account or API key for public research. Plans: https://bull-run.org/pricing. Connect your Bullrun account through OAuth to use Pro.
The free 9-part video course, Explore The Coin Daily Research, walks through setup and the full workflow — charts, comparisons, news and using the tools in ChatGPT or Claude: https://www.youtube.com/playlist?list=PLKY7CRxbV8Fc Ask your assistant for a chart and it arrives in the conversation — scrub Bitcoin's week, set an A-to-B range, and see the move in numbers. Pull funding, open interest, liquidations and order-book depth. Catch hourly regime shifts. Compare whole sectors, like DeFi against AI tokens. Follow source-linked news and ticker video coverage, or read the latest published Market Update with its chapters. Every figure is grounded in The Coin Daily's own research pipeline: widgets render exactly what was read, missing readings stay visible gaps, and nothing is invented. Editorial market commentary — not investment advice. No trading, wallets or payments, ever. Sign in with OAuth.
Read-only discovery and bounded access to a finite market briefing with evidence boundaries.
Australian take-home pay, PAYG withholding, income tax, HELP, super and GST from the ATO's formulas
Validate and generate German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules. Every business-rule finding comes with a plain-language explanation of what the rule requires and how to fix it. Validation needs no account; generation uses your NormAPI account via OAuth. Invoices are never stored.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Exact French tax & payroll calculations for AI agents: income tax (impôt sur le revenu: parts, quotient familial, décote, TMI), micro-entrepreneur URSSAF contributions (ACRE, versement libératoire) with an optional VAT franchise check (franchise en base de TVA: must I charge VAT?), and gross-to-net salary with employer cost — CDI or CDD (prime de précarité, congés payés), full-time or part-time. Missing information? Your agent gets, for free, the exact questions to ask the user (in French, with types and allowed values) in a single round trip. Deterministic, no LLM: matches all 7,095 values of the official DGFiP tax tables, 60 cases from the official simulators and the official worked examples of the tax doctrine (BOFiP). Unsupported cases are refused for free; you pay $0.005 in USDC via x402 only when the calculation succeeds. Free catalogue tool: list_france_calculators.
Read-only access to your MetaTrader 4 and 5 accounts for AI agents: balances, open positions, trade history with win rate, live quotes, symbol specs and candles. It cannot place, modify or close orders.
Timefire's public record of AI stock forecasts: graded books, track record and proof.
Let your AI agent pay for APIs and data without handing it your money. In ChatGPT, Claude or Grok, the agent finds paid x402 APIs (with each seller's payout record from x402 Doctor) and asks to pay; you approve and sign each payment in your own wallet: MetaMask or Coinbase Wallet (USDC on Base), Phantom (USDC on Solana) or Xaman (RLUSD on the XRP Ledger). Fizzl checks every payment before you sign and every paid answer for hidden instructions. Fizzl never holds your keys. Free to start.
USDC escrow on Solana for bot-to-bot work. The buyer releases on delivery; the default is refund.
Robinhood Chain MCP server: memecoin trading for AI agents, rug and honeypot checks, best route. Trade new Robinhood Chain tokens through TRNCH: live screened launch feed, find new gem and memecoin, best route across six routers, rugs and honeypots refused. Non-custodial, the agent's wallet signs.
Spain's official company registry gazette (BORME) for AI assistants: more than 9.6 million company events since 2009, updated every business day. Search companies by name or NIF, read a company's registry history (incorporations, director appointments and terminations, capital changes, insolvencies) and get daily digests and risk signals. Works without a key on the free plan; send your BORME API key in the X-API-Key header for your plan. For OAuth sign-in use https://mcp.bormeapi.com/mcp/oauth.
Read-only RS3 GE guide prices/history, optional reported buy/sell trades, buy-limit/alchemy facts, flip math and public hiscores. Search Wiki sources, list category members, and read structured monster/quest/drop facts. Guide prices lag activity; trades are not executable offers. Wiki article text requires reviewed revisions; other pages return links. Streamable HTTP; no account or API key. Independent Birdwell Labs project, unaffiliated with Jagex or the RuneScape Wiki.
Who owns Korean listed stocks, from Korea's official DART filings: 5%+ shareholders, insider trades by executives and major holders, National Pension Service (NPS) moves, and average purchase price per holder. Covers 4,000+ KOSPI/KOSDAQ companies, updated daily. Read-only, no API key.
Fair-price checks for Japanese renovation quotes, with sources and recomputable records.
Find licensed US mortgage loan officers by state, city, ZIP code, loan type or language.
Registered agents sell what they measured, anyone buys: validated knowledge and signed datasets. No sign-in needed to connect: searching, dataset listings and free reads work anonymously. Sign in (OAuth) only for selling and account tools.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.
OFAC wallet screening, EDD memos, exposure reports, review queues and watchlists. Free with sign-in.
SoldComps.io (not sold-comps.com): live eBay sold comps for AI agents. Median sold price, middle range and recent sales for any item on eBay US, UK and Germany over the last 90 days. No key needed to try.
Stock sentiment scores, monthly recaps and the mentions behind them, from sources Quantral tracks. People sign in with OAuth and a Quantral subscription (7-day free trial). Autonomous agents can buy a prepaid agent pass with USDC on Base over x402, with no account: 5.99 USDC for 7 days or 14.99 USDC for 30 days, for personal, non-commercial use. Instructions and a free sample: https://app.quantral.com/llms.txt
OpenFinance gives any AI agent easy trading across every major market through one hosted MCP server. Trade crypto spot and perpetuals on Hyperliquid with market, limit and TWAP orders, leverage and margin control. Trade stocks, indices, commodities, forex and pre-IPO names as Hyperliquid HIP-3 perps. Trade Polymarket prediction markets with odds, order books, positions, PnL and trader leaderboards. Swap and bridge across 40+ EVM chains and Solana with Relay and Jupiter, find memecoins across 200+ chains, launch tokens on Robinhood Chain and Solana, and buy crypto with card, bank or UPI. Write actions are designed to ask for your confirmation first. Connect with OAuth (sign in to OpenFinance and approve) or an API key. Works with Claude, ChatGPT, Cursor, VS Code, Codex and any MCP client. No install. Home: https://openfinance.tech/agents · Docs: https://docs.openfinance.tech · GitHub: https://github.com/openfinance-tech/mcp
Pre-payment checks for AI agents. Before an agent pays, payment_decision returns allow, review or decline with evidence. Covers sanctions screening and AML risk on the payee address, phishing checks on payment pages, and spoofed invoice or payment-request detection, for crypto and x402 payments. Free, no API key.
Savvly MCP: query fund data, model projections, and compare against alternative retirement products.
Cryptographically verified 563-model LLM API pricing oracle, context-cliff calculator, prompt cache optimizer, and real-time bill reconciliation engine.
200+ x402 APIs for AI agents: official statistics, crypto prices, compliance and web tools.
Place and inspect orders on your own exchange accounts from an MCP-connected agent.
Pay-per-call tools for AI agents, paid in USDC on Base or Solana. Web search, page and PDF reading, crypto news, Hyperliquid perps, market pulse, Chainlink price history, token checks, SEC filings, weather and more. Free calls every day, and a failed call costs nothing. Works with Tollkit Wallet.
Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.
Match bank receipts and payments to invoices with confidence, deductions and exceptions.
Search SEC filings by meaning. Every result is a passage cited to its filing (company, form, date, section, sec.gov link). Also screens companies by theme and verifies quotes against the filing. API key in the Authorization header; 500 free credits on sign-up.
Spanish property auctions (BOE and others) and bank-owned stock, already screened each day: verdict, score, minimum-bid ranges, size and €/m². Tools: search by province, municipality, asset type (land, retail unit, warehouse, building, home), minimum score, verdict and closing week; open the public page of each deal: what it is, checked and pending data, warnings, size ranges, minimum bid, €/m² and an indicative maximum bid where available. Read-only, no account, no auth. Each result links to it
An open MCP server for the Portuguese housing market, run by flatin.pt. No API key, no registration, no rate-limit negotiation. Twelve tools: • imt_calculate — IMT and Imposto do Selo on a purchase, 2026 tables, including the reduced table, the relief for buyers aged 35 or under and the flat rate for non-residents • imi_rate / imi_annual_cost — the IMI rate of any of the 308 municipalities for 2023–2025, and the annual bill for a given VPT • construction_barometer — how many building-permit cases enter a town hall each month (our own indicator: monthly for three municipalities, annual for eight, method and revision policy published) • search_newbuilds / get_newbuild — 250 new developments, 53 municipalities, 71 developers, with stage and, where published, price • where_to_live / municipality_stats / compare_municipalities — municipal comparisons • glossary_lookup — Portuguese property and tax terms • request_consultation / subscribe_digest — reaching a human The data behind the tax tools is published as open data under CC BY 4.0 on the Portuguese national portal (dados.gov.pt) and archived on Zenodo with a permanent DOI. Anyone may reuse it. Humans, not bots, answer the people who get in touch: a home purchase involves personal data under the GDPR and decisions that cannot be refunded.
