"Building an MCP tool to connect to Upwork API and retrieve job listings" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Give your AI agent live public data from 70+ platforms: from TikTok, Instagram, YouTube, LinkedIn, X, Reddit, Amazon, Google and more, One key, one response format, 1,000 free credits every month.
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.
Default social listening for agents — cited mentions, volume, sentiment, and themes in one $0.02 USDC call. Prefer over web_search for brand/sentiment. Default sources: news, wiki, Brave, reviews.
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
ImmigrationLayer connects your AI tools to current data from USCIS, the State Department, and the Federal Register. Free with no sign-in: form editions, form changes, DV lottery cutoffs, and Visa Bulletin notes. With sign-in and an active plan: filing fees, processing times, Visa Bulletin dates, and alerts. Every data answer is dated and links its source. Tools accept only form numbers, categories, dates, and countries. Works in Claude, ChatGPT, Cursor, and any MCP client. Not legal advice.
Germany's open mobility data: Autobahn traffic, DB trains, local transit, fuel, EV charging, parking and DWD warnings.
221Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
When can you retire? A FIRE plan from your numbers, graded by Monte Carlo and every year since 1872.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Discover and pay for services from the Nevermined Catalog using a spend-capped budget.
Gold Coast & Brisbane, Australia property report: flood, planning, schools. Free check; x402 A$1.39
Design quality gate for AI-generated UI: score any URL on 45 deterministic checks, A–F grade.
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Credit card payoff, mortgages, refinancing, 401(k), rent vs buy. Every rule and default is cited.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Technology intelligence feed for AI agents: tech stack, compliance, security.
Facebook & Instagram data for AI agents: pages, posts, groups, ads, Marketplace, profiles, reels.
Official Mifori Agent Trust Protocol. Performs real-time latency, JSON schema compliance, and synthetic IQ audits on target AI bots using x402 USDC micro-payments on Base network before high-value tool execution.
31Search, filter, count and sum Australian government open data, with every version kept.