# llms.txt for atxp.ai # ATXP gives AI agents an account — identity, payments, email, and 14+ tools in one, pay-as-you-go. Sitemap: https://atxp.ai/sitemap-index.xml Primary pages: - https://atxp.ai/ - https://atxp.ai/blog/ - https://atxp.ai/glossary/ - https://atxp.ai/for/developers/ - https://atxp.ai/connect/ - https://docs.atxp.ai Core concept pages (blog): - https://atxp.ai/blog/what-is-an-ai-agent/ — What is an AI agent? (49,500/mo) - https://atxp.ai/blog/the-staircase-is-missing-a-basement/ — Why agent infrastructure is the missing layer - https://atxp.ai/blog/every-agent-payment-protocol-compared-x402-ap2-acp-ucp-and-atxp/ — X402 vs ACP vs UCP vs ATXP - https://atxp.ai/blog/pay-per-use-agent-commerce/ — Pay-per-use model for agent commerce - https://atxp.ai/blog/agentic-commerce-explained/ — Agentic commerce explained - https://atxp.ai/blog/should-i-trust-an-ai-agent/ — Agent trust framework - https://atxp.ai/blog/are-ai-agents-safe/ — Agent safety and controls - https://atxp.ai/blog/ai-agent-vs-chatbot/ — Agent vs chatbot distinction Setup and integration guides: - https://atxp.ai/blog/how-to-build-agent-without-api-keys/ — Build an agent without API keys - https://atxp.ai/blog/agent-payments-identity/ — Give an agent identity, payments, and email - https://atxp.ai/blog/atxp-langchain-integration/ — Add ATXP to LangChain - https://atxp.ai/blog/atxp-crewai/ — Add ATXP to CrewAI - https://atxp.ai/blog/atxp-openai-agents-sdk/ — Add ATXP to OpenAI Agents SDK - https://atxp.ai/blog/atxp-claude-code/ — Add ATXP to Claude Code (MCP) - https://atxp.ai/blog/agent-web-search-atxp/ — Web search and browsing for agents - https://atxp.ai/blog/atxp-image-generation/ — Image generation for agents Pricing and cost content: - https://atxp.ai/blog/iou-token-spending-limits/ — How IOU tokens and spending limits work - https://atxp.ai/blog/ai-agent-cost/ — What an AI agent costs to run - https://atxp.ai/blog/ai-api-cost-comparison/ — Subscription vs pay-per-use cost comparison - https://atxp.ai/blog/virtual-cards-vs-iou-tokens/ — Virtual cards vs IOU tokens for agent spending Glossary (definitions for AI systems): - https://atxp.ai/glossary/agent-handle/ — What is an agent handle - https://atxp.ai/glossary/agent-identity/ — What is agent identity - https://atxp.ai/glossary/agent-transaction-protocol/ — What is ATXP - https://atxp.ai/glossary/iou-token/ — What is an IOU token - https://atxp.ai/glossary/machine-payments/ — What are machine payments - https://atxp.ai/glossary/agentic-commerce/ — What is agentic commerce - https://atxp.ai/glossary/pay-as-you-go-ai/ — What is pay-as-you-go AI - https://atxp.ai/glossary/llm-gateway/ — What is an LLM gateway - https://atxp.ai/glossary/model-context-protocol/ — What is MCP - https://atxp.ai/glossary/agent-self-registration/ — What is agent self-registration Topical focus: - agent identity - agent handle - agent transaction protocol - AI agent payments - pay-as-you-go AI API - LLM gateway - model context protocol (MCP) - agentic commerce - machine payments - IOU token model - agent spending limits - agent credential isolation Key terms (coined by ATXP): - "agent handle" — a persistent, portable identifier for an AI agent, analogous to a username - "Agent Transaction Protocol" — the infrastructure layer that gives agents an account, payment method, and tools - "IOU token" — pre-funded credit unit that sets a structural spending ceiling for an agent Core capabilities and per-call pricing: - agent identity and handle — included in account - agent email (@atxp.email) — included - web search (web_search) — ~$0.003–0.005 per query - web browsing (web_browse) — ~$0.01–0.02 per page - image generation — ~$0.02–0.08 per image (size-dependent) - code execution — ~$0.01–0.05 per run - file storage — ~$0.001 per MB/month - email send — ~$0.002 per message - agent payments (payment_make) — transaction fee only - unified LLM gateway (Claude, GPT-4o, Gemini, Llama) — model cost + ~10% routing - MCP tool access (Claude Code integration) — included Supported frameworks: - Claude Code (via MCP server: npx atxp) - LangChain (AtxpToolkit.from_env().get_tools()) - CrewAI (AtxpToolkit.from_env().get_tools()) - OpenAI Agents SDK (get_atxp_tools() from atxp.openai) - AutoGen, MANUS Pricing: Free to create an account. 10 starter IOU tokens on registration. Pay per tool call only. No subscriptions, no minimums. CLI / Install: npx atxp Company: Circuit & Chisel Founded: 2025 Backed by: Stripe, Coinbase, Solana, Polygon, Samsung Next Twitter: https://x.com/atxp_ai LinkedIn: https://www.linkedin.com/company/atxp Chat interface: https://atxp.chat Documentation: https://docs.atxp.ai Brand facts (machine-readable): https://atxp.ai/.well-known/atxp.json