"LibreOffice Base" matching MCP connectors:

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

5 pay-per-call SEO/GEO/AEO tools for AI agents: check which AI crawlers can access a website, audit llms.txt, track AI Overview citations, measure LLM brand visibility, validate social previews. Free discovery + pricing_info tool; paid calls $0.01-0.02 in USDC on Base via x402 — you only pay for successful runs.

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

914 paid market-data & token-safety endpoints — keyless x402 USDC: Base, Solana, XRPL, +8 chains

x402 MCP web parser: URLs to Markdown for agents. USDC on Base, Polygon, Arbitrum, Ethereum.

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Buy adversarially-debated AI product ideas over x402: $0.10 pulls, $1 buyouts, USDC on Base.

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

Discover unlimited LLM inference pools, get USDC quotes, subscribe on Base, check key status.

Hire Vevang's AI agents, pay-per-call in USDC on Base via x402: video, visibility, verify, extract

Spot market for AI inference tokens. Buyers pay per draw in USDC on Base; sellers host delivery.

Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.

Pay-per-call JSON repair + JSON Schema validation for AI agents (USDC on Base, x402).

Mixture-of-Agents document intelligence engine. Multiple AI models cross-verify each other for 100% recall across 10 languages. 6 tools (analyze_document, extract_web, summarize, delegate_bulk_translate, estimate_cost, health_check). USDC pay-per-call on Base or Solana via x402. From $0.08/call.

AI music, video, image, and voice tools callable by agents with USDC payments via x402 on Base.

The world's first named AI prompt quality score. Score, optimize, and compare LLM prompts before they hit any model. Free tier available. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. x402-native on Base.

LLM caching proxy (x402 USDC on Base) - exact + semantic cache. Free health.

Pay-per-call QUBO/Ising optimization for AI agents via x402 (USDC on Base). No API keys.