"Connecting to a vector knowledge base" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
McClipFace finds current coupon codes while your AI shops. Also available as a ChatGPT app.
Real Amazon (US, UK, DE, CA, AU) & Walmart shopping data for AI assistants: ranked product shortlists, current prices, live stock, real ratings, and price/BSR history from a 17M+ product warehouse. Free hosted endpoint, no signup — 30 queries a day.
MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.
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.
Discover and pay for services from the Nevermined Catalog using a spend-capped budget.
Onchain DeFi intelligence API for Base, payable per call with x402 (USDC). Live MCP tools: get_bot_status (Telegram bot health), get_market_stats (market snapshot), get_onchain_sales (proven revenue from live x402 routes). Built for agents that need verifiable onchain data — whale flow, signals, and sales evidence at $0.003/call.
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
When can you retire? A FIRE plan from your numbers, graded by Monte Carlo and every year since 1872.
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.
Search and book 3M+ hotels in 200+ countries. Agents pay per reservation in USDC on Base over x402. Hosted, no auth.
CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.
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.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Modded Minecraft: which mod crashed, where to get a mod for your version, which mods work together.
Read-only discovery and bounded access to a finite market briefing with evidence boundaries.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
