AI agent security across retrieval, memory, tools and execution: a system-boundary diagram, failure matrix and practical tests for bounded enterprise actions.
Author
Intelliger Engineering
Implementation analysis on agent authority, MCP control, agentic commerce, payments and evidence, with explicit preview and production boundaries.
Editorial focus
- Agent authority and MCP control
- Agentic payments and transaction evidence
- Agentic commerce infrastructure
- OATI implementation and assurance boundaries
Corrections and source questions can be sent to hello@intelliger.ai.
Published articles
Assign responsibility for agentic processes, bind approvals to concrete actions and verify controls with an editable governance and evidence checklist.
MCP security controls for tokens, tools, discovery, sessions and execution, with a threat matrix and runnable reference tests for request-bound authorization.
Reconcile AI agent payments across authorization, submission, provider acceptance, uncertainty, settlement, failure, return and reversal without duplicates.
Threat-model agentic payments across intent, invoice data, approval, credentials, execution and settlement with concrete controls and abuse tests.
Reduce agentic payment fraud with source validation, verified destinations, narrow mandates, exact approval, credential isolation, idempotency and reconciliation.
Map the infrastructure around agentic payments: proposal, identity, authority, policy, approval, credential brokerage, execution, reconciliation and evidence.
Use this AI agent access control checklist to verify identity, least privilege, exact-request policy, replay safety, approvals, bypass resistance and evidence.
Design an AI agent audit trail that collects runtime events, protects integrity, separates mutable outcomes and supports independent verification and retrieval.
Map AI agent compliance questions to identity, authority, policy, execution and outcome evidence without treating logs or signatures as automatic certification.
Set AI agent audit-trail retention by evidence purpose, risk and legal basis while minimizing sensitive data, controlling access and preserving verifiability.
Separate AI agent authentication, service access, delegated authority and exact-action authorization with clear trust boundaries and control ownership.
Prioritize AI agent governance practices that constrain real actions: ownership, narrow authority, enforced gateways, failure tests, evidence and revocation.
Build an AI agent governance dashboard around authority coverage, control tests, evidence completeness, exceptions, incidents and containment time.
An AI agent governance framework that maps ownership, inventory, authority, runtime controls, evidence, incident response and review to measurable tests.
Reconstruct an AI agent incident across identity, authority, policy, tool calls, upstream execution and later outcomes using a source-ranked timeline.
Build an AI agent inventory that records accountable owners, models, tools, data, credentials, delegated authority, policies, evidence and lifecycle state.
Design and rehearse an AI agent kill switch that revokes authority, blocks execution paths, preserves evidence, reconciles in-flight actions and supports safe recovery.
Authorize an AI agent payment by binding delegated authority and human approval to the canonical amount, currency, supplier, destination and invoice.
Design AI agent permissions that constrain the exact action, resource, destination, value, time and delegation path instead of relying on broad OAuth scopes.
Bind human approval to a canonical AI agent request digest so changes to amount, destination, scope or timing invalidate the approval before execution.
Assign enterprise AI agent governance across business owners, platform engineering, security, risk, audit and operations with lifecycle gates and a practical RACI.
Deploy an enterprise MCP gateway with phased server admission, tenant isolation, OAuth validation, exact tool policy, bypass tests, rollback and evidence.
A practical MCP gateway architecture covering discovery, OAuth, policy, tool mediation, credential isolation, audit evidence and protected upstream execution.
Implement MCP gateway OAuth with protected-resource metadata, canonical resource indicators, audience validation, PKCE and bounded step-up retries.
Separate an MCP server registry for discovery and provenance from the gateway policy, credential and runtime records that enforce each tool call.
Secure an MCP gateway against token confusion, tool poisoning, argument mutation, prompt injection, replay, tenant crossover and enforcement bypass.
Learn where OAuth scopes stop and request-bound business authority begins for AI agents that purchase, refund, change records or operate production tools.
Verify AI agent receipts without trusting the producer database by checking schema, canonical payload, issuer keys, signatures, request binding and evidence limits.
Evaluate an open source MCP gateway with reproducible protocol, isolation, authorization, bypass, failure and evidence tests instead of a feature checklist.
Prevent duplicate AI agent payments with canonical request digests, atomic idempotency reservations, uncertain-state reconciliation and retry tests.
Put deterministic AI agent authorization in the runtime path with a typed decision contract, bounded latency, fail-closed behavior and replay-safe tests.
Log AI agent identity, authority, exact requests, policy decisions, execution attempts and observed outcomes without storing secrets or raw sensitive context.
Compare AP2, x402, UCP, Circle Agent Stack, Catena and Concordium across intent, authority, checkout, wallets, settlement and evidence.
Compare AI agent authorization platforms, policy engines and standards across runtime context, MCP controls, enforcement and evidence.
Compare AI agent identity platforms for lifecycle, ownership, discovery, credentials, access governance and exact transaction control.
Compare AI agent payment platforms, wallets, tokens and protocols across rails, spending policy, approval, settlement and evidence.
Compare enterprise AI agent registries for internal inventory, public discovery, Agent Cards, MCP servers, ownership and trust verification.
Compare enterprise knowledge graph platforms for AI agents across GraphRAG, virtual data, operational actions, provenance and permissions.
Learn what blockchain anchors, operational logs and signed action receipts can verify about enterprise AI agents, and where each proof stops.
Compare Catena and Circle Agent Stack across agent accounts, wallets, spending policies, stablecoins, compliance, settlement and evidence.
Evaluate Concordium Agent Registry for enterprise AI identity, Agent Cards, owner linkage, verification, authority and action evidence.
Map identity, context, gateways, policy, execution and evidence into one enterprise agent control stack, with vendor roles and failure tests.
Compare Kong and Portkey for MCP, A2A, model routing, authentication, tool controls, observability and enterprise transaction authorization.
Compare Microsoft Entra Agent ID and Okta for AI Agents across identity, discovery, lifecycle, delegation and transaction authorization.
Compare OriginTrail DKG, enterprise knowledge graphs and agent memory by ownership, provenance, sharing, freshness, access and action control.
Compare PlainID and Trust3 AI across policy authorization, data access, agent discovery, MCP security, observability and transaction control.
Enterprise AI agents guide for governed workflows with identity, bounded authority, policy, human approval, evidence, evaluation and recovery.
Compare Kong, Portkey, Cloudflare and MuleSoft MCP gateway capabilities, then run a reproducible security and failure-behavior evaluation.
A practical agent-readable product data schema for products, variants, offers, evidence and compatibility, with validation rules and failing fixtures.
Compare AI agent identity and authorization across Entra, Okta, SailPoint and Concordium, then bind identity to exact enterprise transactions.
An agentic commerce platform needs merchant connectors, live state, delegated authority, receipts, outcome data and routing to scale safely across channels.
Compare ACP, UCP, AP2, A2A and MCP, then build a canonical core with versioned adapters that survives the agentic commerce protocol race across channels.
Agentic payments architecture for separating model proposals from deterministic authorization, exact approval, payment execution and verifiable evidence.
Build an AI agent audit trail that combines operational logs with signed receipts, request binding, lifecycle evidence and independent verification.
Design AI negotiation with typed offers, deterministic price floors, exact approvals, concurrency control and live state so every discount is valid at runtime.
Learn AI search optimization for commerce with machine-readable products, verified live state, published capabilities and agent selection metrics at scale.
Compare AP2 payment mandates with broader enterprise agent authority across identity, purpose, tools, data, delegation, policy, execution and evidence.
Build AI training data for commerce from verified state, action and outcome trajectories while preserving causality limits, consent and isolation by design.
A production ecommerce product search algorithm using typed filters, hybrid retrieval, compatibility, live inventory and outcome-aware reranking at scale.
Authorize an MCP tool call by verifying identity, mandate, policy and exact request arguments before execution, with replay-safe evidence afterward.
Design live commerce state for AI shopping agents with authoritative reads, reservations, expiry, idempotent retries and checkout reconciliation.
Compare MCP gateways and API gateways by policy subject, request binding, delegated authority, revocation, replay protection and action evidence.
Make an online store visible to AI shopping agents with structured product data, live inventory, executable capabilities and measurable discovery signals.
AI agent authorization guide for binding verified identity, delegated authority, policy, approval and evidence to each consequential enterprise request.
Build ecommerce AI search that combines hybrid retrieval with authoritative price, inventory and delivery checks, then evaluate the complete path.
Design product data, retrieval, live-state checks and evaluations that help AI agents find eligible products without inventing price or availability.
Build accounts payable automation that prevents duplicate and wrong-invoice payments with stable identity, idempotency, durable state and reconciliation.
AI agent observability needs more than logs. Learn how signed action receipts bind requests, authority, policy, execution and results for verification.
Secure delegation in multi-agent systems with bounded mandates, subset checks, shared budgets, runtime binding and deterministic authorization failures.
A fail-open vs fail-closed framework for enterprise AI agents facing stale revocation data, replay-store failures and trust control-plane outages.
An AI agent architecture that turns MCP tool calls into auditable transactions using identity, mandates, request binding, approvals and signed receipts.
A safer RWA tokenization architecture that binds agent authority, reserve evidence, approvals, issuance capacity and wallet execution to each mint.
MCP authorization for enterprise agents: bind identity, delegated authority, policy, approvals, execution and signed evidence to every consequential tool call.
Use just-in-time access to run production AI agents without standing credentials, with scoped mandates, deterministic policy and short-lived capabilities.
Prevent replay attacks against AI agents by binding signatures to request context, mandates, nonce state, idempotency and deterministic verification order.
Secure enterprise AI agents when only one company adopts the trust layer, using identity mapping, bounded authority, policy and unilateral receipts.