"An open-source penetration testing framework" matching MCP connectors:

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Search domain availability and pricing, straight from chat — then open a link to register.

Nifra docs, runnable examples, and API types as an MCP server for any AI assistant.

Run AI market research: synthetic customer panels for concept testing, message testing, segments.

An agent-friendly API for product changelogs. A unified registry via CLI, API, or MCP.

Contemplative reasoning with Lotus Sutra wisdom framework and ext-apps visualization.

Consent-gated tools that turn user health notes into non-diagnostic appointment-prep materials.

Hosted MCP server for solar vitamin D. Six public tools, no account needed: find a city, sun times and golden hour, the synthesis window for a day, the whole year of viable months at a latitude, whether right now is a good moment from live UV, and what a sun session produced. Four more read a signed-in user profile, cities and sun history over OAuth 2.1. Built on NOAA solar geometry, a Madronich clear-sky UV model with ozone, MED by Fitzpatrick skin type, and live Open-Meteo data.

MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

Plot an AI-planned road trip onto an editable Stopful map — drive times, hotels & EV chargers.

Opens, inspects, and renders DXF/CAD drawings for AI agents: describe_dxf returns structured facts (layers with actual drawn colors, units, bounds, text content) and render_dxf returns PNG images. On MCP Apps hosts like ChatGPT and Claude, view_dxf opens an interactive in-chat viewer with pan, zoom, and layer toggles.

Verified Japanese company press releases with provenance (corporate number, source URL) and jobs.

Venture Insights' free Concept Diagnostic, requested by an AI assistant for a founder.

Authenticated, user-scoped MCP connectors for 30+ business systems.

Render chart images from JSON configs via a simple HTTP API. Six themes, ten marks, PNG/SVG output. No client-side JavaScript, no installs – just a URL that returns an image. MCP tools include render, validate, list themes, and browse examples.

The OpenZeppelin Stylus Contracts MCP server generates secure smart contracts for the Arbitrum Stylus environment using OpenZeppelin templates, including ERC-20, ERC-721, and ERC-1155 standards. It automatically validates generated code against OpenZeppelin's security and style rules, enforcing best practices for imports, modifiers, naming conventions, and security checks to prevent common vulnerabilities. The server integrates with AI development tools like Cursor, Claude, Gemini, Windsurf, and VS Code to enable AI-assisted, production-ready smart contract development.

The OpenZeppelin Stellar Contracts MCP server generates secure smart contracts for the Stellar blockchain based on OpenZeppelin templates. It integrates with AI assistants to automatically enforce OpenZeppelin's security best practices, style rules, and standards at every prompt, enabling developers to create production-ready Fungible Token, Non-Fungible Token, and Stablecoin contracts through AI-driven workflows.