# x402 Library

x402 Library is a directory of independent, purpose-built utilities that autonomous agents can discover, evaluate, pay for, and call.

Current status: library preview. No paid endpoint is advertised as live yet.

## Product model

- Open discovery: purpose, schema, examples, price, version, and limits remain readable before payment.
- Paid execution: each callable utility will use x402 for bounded pay-per-call execution.
- Structured output: utilities return machine-readable results rather than prose-only reports.
- Visible boundaries: findings, assumptions, invalidation conditions, and claim limits travel with the result.

## Directory 01: Market Analysis

First utility in development:
- ID: market.structural-pattern-discovery
- Name: Structural Pattern Discovery
- Purpose: find non-standard gaps and structural pattern candidates in high-dimensional market inputs, then translate them into bounded market scenarios.
- Boundary: a pattern candidate is not a guaranteed forecast or trade command.

Planned independent utilities:
- market.lead-lag-analysis
- market.regime-shift-checkpoint

## Public discovery

- Homepage: https://x402library.com/
- Agent manifest: https://x402library.com/.well-known/agent.json
- OpenAPI status: https://x402library.com/openapi.json
- Pricing status: https://x402library.com/pricing.json
- Trust boundary: https://x402library.com/trust.json
- Service status: https://x402library.com/status.json

x402 Library is an independent service built on the open x402 standard. It is not the x402 Foundation.