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

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.

Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Real-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST.

Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.

The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Third-party signed reads of how an AI agent behaved: drift, vows, and the town it works in.

Publish any app in one call: SQL database, functions, email, and a custom domain. Flat price.

Find and call the right MCP server for any task - pay per use, no install.

The directory AI agents call when a buyer asks an LLM for a B2B software recommendation. Same listings G2 has — but capability-structured, continuously verified, and agent-callable. One listing visible to both audiences.

Book a private driver in Paris: live quotes, airport transfers, tours, VIP Meet & Greet. No auth.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Pay-per-call agent infrastructure: file storage & handoff, compute tools, messaging, e-sign, KYC.

Durable self for AI agents: one-call resume, memory, real browser, free chat + hire real humans.

Human-in-the-loop approval for agent actions, with verifiable action-bound receipts.

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