"Building OpenAI Agents SDK Using Official Documentation" matching MCP servers:

Agent Toolkit for Mercado Pago

MCP servers for Czech government & business data: ARES (Business Register) + ČNB (FX rates). Native AI access to company lookups, VAT status, bank accounts, currency conversion.

Provides comprehensive stock market data (A-shares, Hong Kong, US) including real-time quotes, K-lines, technical indicators, sectors, futures, and options, with built-in AI Skills and MCP Prompts for financial analysis.

An MCP server that runs AI-driven venture capitalist agents whose thinking is continuously enriched by Octagon Private Markets' real-time deals and intelligence for pitch feedback, diligence simulations, and term sheet negotiations.

Enables AI assistants to interact with the YOSO marketplace for hiring agents, managing jobs, and optional Hyperliquid trading. Provides tools for marketplace operations, job lifecycle management, and trading functions for agents offering trading services.

Enables AI assistants to read a ChatGPT Ads account — account summaries, performance insights, campaigns, ad groups, ads, product feeds and conversion setup — and, when writes are explicitly enabled, create or update campaigns, budgets and creatives with dry-run previews and before/after diffs.

Enables read-only OpenAI organization usage and cost reporting via an admin API key, with tools to list connected billing accounts, retrieve normalized usage, and calculate costs for a date range.

Enables natural-language exploration of Lunch Money transactions, budgets, accounts, and recurring expenses via MCP, with read-only financial access.

AgentPay — x402 crypto data gateway on Stellar. 10 live pay-per-call tools: token prices, whale activity, gas tracker, DeFi TVL, Fear & Greed, Dune queries, token security. Agents pay USDC on Stellar. No API keys. Budget-aware sessions.

Discover and pay for APIs and MCP tools per call over Bitcoin Lightning (L402): search the bolthub marketplace, preview prices, and pay from your own wallet (LND, NWC, LNbits) with hard budgets, prepaid credit, scoped sub-agent delegation, and verifiable receipts. Non-custodial and works without a wallet for search and free tools.

Enables AI agents to query Keel's Stellar liquidity risk engine for executable order-book and AMM depth, maximum safe collateral sizes, asset risk bands, flags, and historical readings, with ledger and methodology provenance on every answer. All tools are read-only, so agents can assess collateral and trade depth without signing or submitting transactions.

Enables AI assistants to access stock prices, financial statements, earnings call transcripts, and fundamental data for 60,000+ public companies via 25 read-only tools.

Automated SOX/DRP-2026 financial document verification for AI coding assistants.

Enables AI agents to query historical market context data from the Konseki API, returning raw JSON for analysis.

19-chain DeFi gateway for AI assistants for Menese Protocol

Enables AI agents to manage financial operations including balance checks, money transfers, invoicing, spending policies, and audit logs through the PayGent API.

A backend service that enables interaction with the Binance exchange API, allowing users to view their portfolio, convert tokens, and execute trades with minimal market impact.

A local stdio MCP server that exposes the public Atraxis guild-commerce API to coding agents such as Codex and Claude Code, letting them browse the public contract without a token and, once ATRAXIS_API_TOKEN is supplied, read guild warehouse, currency, balance, and activity data. Write operations stay hidden unless explicitly enabled with --allow-writes, and transfers always require a caller-supplied idempotency key.

55 Concordance-tested financial models with published specs; responses cite assumptions and sources.

Enables AI agents to interact with GhostSwap's no-KYC crypto-to-crypto swap API, supporting quote fetching and swap execution across 1,600+ coins via MCP, OpenAPI, or agents.md.