Agent MemoryNo sign-inPersistent semantic memory for AI agents: store and recall text by meaning (RAG). x402AI ToolkitNo sign-inAI tools for agents: chat, summarize, classify, entity extraction, embeddings, transcription. x402Crypto PricesNo sign-inLive USD crypto spot prices by ticker (BTC, ETH, SOL, …) for AI agents. x402 pay-per-call.MCPNo sign-inAgisHub — pay-per-call tools for AI agents over x402 (USDC on Base). No API key.Timezone ToolkitNo sign-inTimezone tools for agents: convert, world clock, offset, lookup, date math, holidays, slots. x402Web ScraperNo sign-inWeb tools for agents: fetch URL as markdown (free MCP) + x402 scrape, links, AI JSON, snapshot.Webhook RelayNo sign-inFire-and-forget webhooks for agents with guaranteed, retried delivery and status polling. x402