"Frontend Development Tool for Detecting Errors" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Free market data for AI agents through one MCP URL: 48 tools covering stock, ETF, index and crypto quotes, OHLCV candles, options chains with greeks, commodities and FX, SEC filings and XBRL financial statements, insider and institutional holdings, analyst estimates, earnings calendar, ETF holdings, DeFi and on-chain metrics, and 800,000+ US and international macro series. Every quote carries its timestamp and delay. Works with Claude, ChatGPT, Gemini, Cursor and any MCP client. Free account, OA
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.
Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals.
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.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
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.
Currency rates, history from 1949, IMF PPP, and FX analytics for AI agents.
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.
Fair-price checks for Japanese renovation quotes, with sources and recomputable records.
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.
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.
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
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
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.
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.
Fair value, quality, uptrend and three buy rules for 40,000+ stocks, plus your watchlist and alerts.
Scores for the largest companies in each market with no account. Sign in for analysis and screening.
Monte Carlo ranges for uncertain plans: project cost, budget, timeline, capacity, NPV/IRR/payback.
Margin, lead time, SKU mapping and price-ladder maths for dropshipping. 4 of 6 free.
Calculates German lawyers' fees under the RVG with the ONYST fee engine: fees, expenses and VAT with fee number, rate and calculation, values in dispute, and invoices for law firms in Germany. Sign in with an ONYST account. Results are a calculation, not legal advice.
A structured financial modeling layer for AI agents. Build, version, and audit financial models without drift, then export to Excel, from Claude or any MCP client. Learn more: https://layerz.cc/for-agents
Print shop management for screen printing, embroidery and DTF: orders, quotes, jobs, invoices.
Ticket market data for brokers: completed sales by section and row, seat history, primary vs resale.
Market data for agents: token prices, DeFi TVL and DEX volume, perp funding, FX, yields, SEC data.
Point-in-time, survivorship-free SEC EDGAR fundamentals + smart-money signals for AI agents.
Swedish bookkeeping for small businesses: ledger, invoices, VAT, payroll. Same tools as REST API.
Live material weakness status and Clock figures for public companies, from their own SEC filings.
Cross-asset market data, LLM gateway and ML forecasts for AI agents. USDC via x402 + MPP.
200+ x402 APIs for AI agents: official statistics, crypto prices, compliance and web tools.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Crypto data for AI agents: on-chain wallets, Hyperliquid, HL Cohorts, Polymarket and Predict.fun.
Sanctions screening, LEI lookup and payee checks for AI agents, pay per call over x402 or MPP
Read-only martingale data: Martingale Score & Startingale for 200+ cryptos and 100+ US stocks.
Peppol e-invoicing API for developers. Without an account: plan your integration, search the docs, check a test invoice against the Peppol rules and look up a Peppol receiver. With a free account: send sandbox test invoices and follow their delivery. Sandbox only.
Dext MCP server for ChatGPT, Claude and any AI agent: upload receipt, list items to review, edit extracted data, publish to ledger and export costs in your own Dext account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Dext yourself; Cotlet does not store your password and you need no Dext API key. About the official Dext API: Dext has no public developer API and no API docs on dext.com, and no official MCP server (checked 14 Oct 2026). The only official connection is the Zapier app, with 3 triggers and 4 actions: it submits receipts and sales invoices, reads processed receipts and creates client accounts. Setup and FAQ: https://cotlet.dev/integrations/dext-api-mcp-server
Accelo MCP server for ChatGPT, Claude and any AI agent: list tickets, reply to ticket, update ticket, log time, create task and create quote in your own Accelo account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Accelo yourself; Cotlet does not store your password and you need no Accelo API key. About the official Accelo API: Accelo has a full REST API and a hosted MCP server, but the MCP server is built for questions about your data (checked 17 Oct 2026). The API covers companies, contacts, tickets, projects, tasks, activities, quotes and invoices, and you register an OAuth application under Configuration > API to use it. Setup and FAQ: https://cotlet.dev/integrations/accelo-api-mcp-server
Korean company facts in English for AI agents: ~830 KOSPI-listed companies (DART profiles, KRW financials, recent filings) and ~110,000 corporate public procurement suppliers (12-month KONEPS contract awards), plus live National Tax Service business status checks. 4 tools, keyless, read-only.
Read-only finance MCP server. Connects your banks, cards, payment apps, books and payroll into one ledger for your AI. Can't move money. Open source (AGPL-3.0), free during beta.
