# AgentLedger ## Docs - [Audit Chain: Liability-Grade Agent Transaction Logging](https://mwillaimission.mintlify.app/architecture/audit-chain.md): Discover how AgentLedger's Audit Chain records every consequential agent action for dispute resolution, liability attribution, and EU AI Act compliance. - [Manifest Registry: How to Register and Query Services](https://mwillaimission.mintlify.app/architecture/manifest-registry.md): How the Manifest Registry indexes agent-native services — manifest format, five manifest blocks, trust tiers, three query modes, and the ranking algorithm. - [AgentLedger Architecture: Stack Position and Design](https://mwillaimission.mintlify.app/architecture/overview.md): How AgentLedger's three components fit together — stack position above MCP and A2A, each component's function, and the design principles behind every decision. - [Trust Ledger: Immutable On-Chain Trust Attestations](https://mwillaimission.mintlify.app/architecture/trust-ledger.md): See how AgentLedger anchors trust attestations on-chain so any agent can independently verify service trust history without relying on a single authority. - [AgentLedger: Trust Infrastructure for the Agent Web](https://mwillaimission.mintlify.app/index.md): AgentLedger is trust infrastructure for AI agents — manifest registry, blockchain-anchored trust ledger, and tamper-proof audit chain for autonomous commerce. - [AgentLedger: Trust & Discovery for Autonomous Agents](https://mwillaimission.mintlify.app/introduction.md): AgentLedger fills the trust gap left by MCP, A2A, and agents.txt with a Manifest Registry, Trust Ledger, and Audit Chain for the autonomous agent web. - [Capability Ontology: Shared Agent Service Taxonomy](https://mwillaimission.mintlify.app/ontology.md): A structured vocabulary for declaring and discovering agent services across five root domains — travel, finance, health, commerce, and productivity. - [Four Structural Problems Facing the Autonomous Agent Web](https://mwillaimission.mintlify.app/problem.md): The discovery gap, trust vacuum, and registry fragmentation making autonomous agent commerce unsafe today — and why MCP, A2A, and agents.txt don't fix them. - [AgentLedger Roadmap: From Standard to Infrastructure](https://mwillaimission.mintlify.app/roadmap.md): Four phases that take AgentLedger from an open specification to the accountability layer underlying autonomous agent commerce on the web. - [AgentLedger Trust Layer Security Threats and Mitigations](https://mwillaimission.mintlify.app/threat-model.md): Six attack vectors against the AgentLedger trust layer — manifest spoofing, Sybil gaming, ontology poisoning — and the mitigations built into each component.