Use A2AWall as a starter and security layer

What is implemented

• Bearer-token authentication
• Capability-level authorization
• Scope and trust-tier checks
• Approval-gate support
• Trusted context boundary helpers
• Tool sandbox policy evaluators
• Memory and retrieval security foundations
• Delegation and output validation foundations

Quick start

npm install
cp .env.example .env
npm test
npm run build
npm start

Key files

• src/core/example-agent.ts
• src/security/policy.ts
• src/security/admission.ts
• src/context/trust.ts
• src/a2a/executor.ts

More detail

For the full markdown version in the repository, see USER_GUIDE.md.