MCP servers for OpenAI Agents SDK

QuakeC MCP: 20 real tools to read, check, lint, scaffold, build and run QuakeC code.

Live USGS earthquake data: latest quakes, quakes near a US place, and was that an earthquake?

QA and IT outsourcing, software, security and WCAG testing, QA trainings and QA talent from Poland.

Search, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.

Daily verified GRE and GMAT quant drill: graded answers, hints and worked solutions.

Backtest trading rules and read registered finance studies, on point-in-time data.

Portfolio scenarios with instrument checks, Monte Carlo analysis and interactive reports.

Indian broker accounts for AI agents: positions, holdings, orders, P&L, option chains, 10+ brokers.

Quantitative equity toolkit: factor data, backtests, risk model, attribution, optimizer.

Find the companies building quantum technology.

Backtests with costs, a held-out test that counts once, a score that counts every version tried.

Google Trends interest over time, by region, related queries and Trending now, as JSON.

Reddit posts, full comment trees, searches, subreddits and users, as JSON or Markdown for LLMs.

YouTube transcripts from videos, Shorts, channels, playlists and searches, with timestamps.

Requests for grease trap pumping across Austin restaurant locations on one calendar and invoice

A self employment tax calculator and quarterly estimated tax planner for 2026.

Read properties, HMRC categories and transactions; add income and expenses in Quarterwise.

Read vehicle and driver positions, trips, trip summaries and groups in Quartix.

Read-only guide to Quasar, the AI-agent-first project management tool. No sign-in needed.

30+ deterministic dev and delivery tools: linting, metrics, diagrams, model advice, AI-text checks.

Analyze SEO and AI visibility, compare competitors, and find growth opportunities with Quattr data.