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BilgeQor

x402Shield

Selected Engineering Work

Verified selected engineering work for Rust-based AI-agent, MCP-tool, and API-payment security.

Context

The work covers security controls around pre-payment authorization, policy enforcement, and auditable transaction handling.

Problem or objective

Provide bounded payment-security infrastructure for AI-agent, MCP-tool, and API-payment flows without making approval or fraud-elimination claims.

Delivered scope

  • Rust-based AI-agent, MCP-tool, and API-payment security
  • Pre-payment authorization
  • Budget controls
  • Recipient validation
  • Replay protection
  • Transaction binding
  • Auditable records
  • Policy engine
  • Authorization
  • Idempotency
  • Fraud-prevention infrastructure

Engineering domains

  • Rust
  • AI-agent security
  • MCP-tool security
  • API-payment security
  • Authorization and policy controls

Representative outputs

  • Pre-payment authorization controls
  • Recipient validation
  • Replay protection and transaction binding
  • Auditable records

What this demonstrates

  • Payment-flow security engineering
  • Policy and authorization controls
  • Idempotent transaction handling

Scope and disclosure

This summary describes the verified security-infrastructure scope only.

Keep implementation-specific payment controls and related operational details within the verified scope boundary.

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