"Understanding Call Hierarchy in Software Development or Programming" matching MCP connectors:

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

63 tools for Apple Health, Fitbit, Oura & Health Connect data in Claude, ChatGPT, Grok & Mistral.

Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

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

Canary Islands holiday packages from Italy: live flights, hotels, cars, excursions and prices

The official Svelte MCP server providing docs and autofixing tools for Svelte development

Book window & gutter cleaning in Colorado and New Mexico: instant firm quote, real calendar slot

Upload, edit, compress, protect, redact, and compare PDFs with KDAN PDF in Claude and ChatGPT.

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.

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

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.

Read-only senior-care exit routes, duplicate-referral deadlines, and templates; no PII or sending.

Paid EU AI Act compliance reports for agents. $1.50 per call via x402 (USDC on Base) or Stripe.

Create, inspect, manage, and render charts and data visualizations as SVG/PNG or interactive embeds.

Search flights, hotels & experiences at all-in prices, then build a trip on breckenwander.com.

Search hotels, get live prices, and check out in chat. Guest search needs no sign-in.

Public read-only Précis Finance MCP demo with synthetic data; no account or credentials required.

Book trip logistics in chat: cars, transfers, eSIM, luggage storage, tours & flight compensation.

Map-first global classifieds marketplace — search and post listings across jobs, real estate, vehicles, and services, on behalf of a signed-in user.