"Connecting OpenAI Codex with antigravity concepts or technology" matching MCP connectors:

Build personal interactive apps with real URLs and persistent storage, using any AI.

AI-agent image generation: cohesive sets & illustrations. PNG/WebP (optional transparency) or JPEG.

Design, save, and run outcome-aligned AI workflows and verifiers, with reliable image output.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude. Checks eligibility before recommending, explains why each grant fits, and cites the funder's own page on every answer — with an honest "competition_risk: unknown" when the data isn't there. 6 tools: search, fetch, find_opportunities, should_apply, explain_opportunity, complete_profile. Transport: Streamable HTTP. Auth: OAuth 2.1 + PKCE. Free to install, no card required.

AI infrastructure design agent. Describe your app in plain English; Riley designs, prices, and deploys AWS or GCP infrastructure with generated Terraform.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Vedic astrology MCP server connecting any AI to real ephemeris calculations — natal charts, Vimshottari Dasha, yogas with BPHS citations, matchmaking with Rajju/Vedha vetoes, panchanga, KP system, Lal Kitab, and numerology. OAuth 2.1. Free sandbox tier.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Educational MCP server with 17 math/stats tools, visualizations, and persistent workspace

Convert handwriting into text, LaTeX math, chemistry, or molecular structures.

Search and browse the EpicPxls design-asset marketplace — 65K+ UI kits, fonts, mockups, icons, and templates with commercial licenses and editable Figma/Sketch/PSD source files. Read-only, no auth: search items, get item details, list categories, fetch free assets, and extract color palettes.

Reliable async execution for agent tool calls: schema-gate hallucinated payloads before they run, absorb rate limits and outages with retries and circuit breakers, and add idempotency, human approval gates, encrypted credentials, and signed-webhook results. Failed calls return an llm_hint the agent can self-correct from.

The Teamwork.com official MCP server helps teams efficiently manage client projects with AI.

Read-only scripture-study engine: complete-or-fail concordance over Greek NT, Hebrew OT, LXX.

Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.

Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.