"How to obtain an API key" matching MCP servers:

Enables AI cost calculation, comparison, and optimization across major providers like Anthropic, OpenAI, Google, Meta, and Mistral. Supports cost estimation, budget-aware model finding, and token estimation through a simple API and MCP integration.

Integrates the Metis FCA Handbook AI Harness into Claude Desktop to analyze FCA Handbook applicability for financial products, services, or firms, returning structured compliance reasoning with verbatim citations.

Enables querying key financial figures from Danish companies' published annual reports via CVR number, using XBRL data from Erhvervsstyrelsen, without an API key.

MCP server for koreafilings.com — AI-summarized Korean DART (전자공시) corporate disclosures, paid per call in USDC via the x402 protocol on Base. Tools: get_pricing (free), get_disclosure_summary (0.005 USDC).

Correlation, ETF holdings overlap, beta, volatility and diversifiers for 4,700+ US stocks and ETFs, any of 11.3M pairs. Free API, no key, read-only.

Enables querying Margint per-customer AI margins and costs from MCP clients. Provides tools to list customers, drill into costs, check budgets, and view workspace-wide cost breakdowns.

Live liquidity-pool scores for Solana + EVM: Enter/Hold/Exit verdicts and a composite 0-100 Wealthville Score, backed by a public, immutable track record that includes misses. Read-only, free, no key required. Data product, not financial advice.

MCP server that exposes the OBBBA No Tax on Tips federal deduction logic as callable tools, enabling users to check eligibility and estimate tip deductions.

Gateway connector between LLM agents and world data, providing access to financial market prices, macroeconomic indicators, and news through a bundled endpoint catalog.

Enables AI agents to access economic statistics from the Central Reserve Bank of Peru, including exchange rates, interest rates, and GDP, without requiring an API key.

MCP server for creating and fiscalizing invoices via solo.com.hr API. Enables AI agents to generate invoices, retrieve invoice details, list invoices, and check next invoice number.

Provides live market and account data from Hyperliquid, including perp and spot prices, funding rates, open interest, order books, and wallet positions, without requiring an API key.

Enables MCP-capable agents to read Fintaro invoices and transactions, and upload receipts, via a scoped API key with PII-safe projections.

Enables AI assistants to calculate Swiss income, wealth, inheritance, capital payment, and corporate taxes for any municipality, compare tax burdens, and find cheapest locations without an API key.

Live verifiable on-chain data for the $BOBAI token on BNB Chain: price computed from pair reserves × Chainlink (no price API), liquidity depth with LP-burn proof, buyback-and-burn audit trail, and fee-on-transfer-safe trade params. 13 read-only tools + 2 guided prompts, no API key.

Shumi is a mechanical trading intelligence platform designed for the crypto market. It combines market trends, funding data, user sentiment, and contract resolution into a single research workflow.

Enables generating Python code for Meritz Securities Open API calls, including API search, detail retrieval, and code generation, without requiring an app key.

Enables AI agents to analyze price action using Smart Money Concepts (market structure, order blocks, fair value gaps, liquidity sweeps) for stocks, forex, gold, indices, and crypto without an API key.

MCP server for pay-per-call DeFi and crypto data via x402 micropayments on Base. 8 endpoints: token prices, TVL, funding rates, token security, gas tracker, whale monitoring, wallet profiling, and yield scanning.

MCP server for AI economics, providing 12 calculators for AI budgets, token costs, query burn, and proving agent work.