"Understanding the concept of dependency" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Validate and generate German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules. Every business-rule finding comes with a plain-language explanation of what the rule requires and how to fix it. Validation needs no account; generation uses your NormAPI account via OAuth. Invoices are never stored.
Signed, traced record of what an npm package or file attempts when run, network included. No key.
Discover and pay for services from the Nevermined Catalog using a spend-capped budget.
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
Find SaaS, AI and developer tools and their alternatives in the SitePatent directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
Find SaaS, AI and developer tools and their alternatives in the MEDIAPRONET directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
Find SaaS, AI and developer tools and their alternatives in the CodeTrendy directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
An open MCP server for the Portuguese housing market, run by flatin.pt. No API key, no registration, no rate-limit negotiation. Twelve tools: • imt_calculate — IMT and Imposto do Selo on a purchase, 2026 tables, including the reduced table, the relief for buyers aged 35 or under and the flat rate for non-residents • imi_rate / imi_annual_cost — the IMI rate of any of the 308 municipalities for 2023–2025, and the annual bill for a given VPT • construction_barometer — how many building-permit cases enter a town hall each month (our own indicator: monthly for three municipalities, annual for eight, method and revision policy published) • search_newbuilds / get_newbuild — 250 new developments, 53 municipalities, 71 developers, with stage and, where published, price • where_to_live / municipality_stats / compare_municipalities — municipal comparisons • glossary_lookup — Portuguese property and tax terms • request_consultation / subscribe_digest — reaching a human The data behind the tax tools is published as open data under CC BY 4.0 on the Portuguese national portal (dados.gov.pt) and archived on Zenodo with a permanent DOI. Anyone may reuse it. Humans, not bots, answer the people who get in touch: a home purchase involves personal data under the GDPR and decisions that cannot be refunded.
AI-agent bar: venues, drinks, chat. Licensed bar/cocktail/behaviour data. x402. No real alcohol.
Dimensional weight, parcel fit, landed cost and freight class. 4 of 6 tools free.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
The Dockyard catalog describes ready-made Docker apps. Once you add this MCP server, your agent can find an app and deploy it for you: in local Docker or in your own Portainer.
31Forecasts, official weather alerts, air quality, 20 years of history, and PV and wind production, via the Meteosource API. Hosted, with your own API key.
External checks of TLS, HTTP headers, email domain, DNS and ports, with cause and fix
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
8 curriculum, classroom, accommodations and exam-prep skill products. 5 of 7 free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Strips 85-97% of HTML/DOM bloat into clean Markdown or JSON with cryptographic ROI proof.
