{"protocolVersion":"1.0.0","name":"AAAA-Nexus","description":"Agent Control Plane - 146+ endpoints for AI agent security, trust, reputation, escrow, SLA enforcement, formal verification, compliance, discovery, and x402 USDC micropayments on Base L2. Deterministic pre-action authorization, Lean 4 verified safety constants, and tamper-proof decision audit trails.","author":"Atomadic Tech","wellKnownURI":"https://aaaa-nexus.atomadictech.workers.dev/.well-known/agent.json","url":"https://atomadic.tech/a2a","version":"0.5.1","provider":{"organization":"Atomadic Tech","url":"https://atomadic.tech/"},"documentationUrl":"https://atomadic.tech/quickstart","iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"quantum-rng","name":"Quantum RNG","description":"Quantum-seeded random bytes with HMAC-SHA256 proof of entropy","tags":["randomness","entropy","cryptography","free"],"examples":["Generate 32 cryptographically secure random bytes","Verify entropy proof for a previous RNG output"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"threat-score","name":"Threat Scoring","description":"Score a payload for security threats using triality consensus","tags":["security","threat","compliance"],"examples":["Score this JSON payload for injection threats"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"ratchetgate","name":"RatchetGate Session Security","description":"47-epoch safe-prime session ratchet with formal re-key schedule (MCP CVE-2025-6514 mitigation). Register, advance, probe, and query session status.","tags":["security","session","cryptography","mcp"],"examples":["Register a new 47-epoch session ratchet","Advance session to next epoch","Probe ratchet health"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"ai-inference","name":"AI Inference","description":"LLM inference via Cloudflare Workers AI — Llama 3.1 8B with streaming support","tags":["inference","llm","ai"],"examples":["Run inference on Llama 3.1 8B","Stream a completion response"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"escrow","name":"Agent Escrow","description":"Multi-agent escrow for high-value A2A transactions — create, release, dispute, and arbitrate escrow contracts","tags":["escrow","payments","trust","arbitration"],"examples":["Create an escrow for a 50 USDC agent-to-agent task","Release escrow after task verification","Dispute an escrow outcome"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"reputation","name":"Agent Reputation Oracle","description":"Decentralized reputation registry — record interactions, query trust scores, view history, and dispute ratings. Cross-references x402 payment history for Sybil resistance.","tags":["reputation","trust","sybil-resistance","a2a"],"examples":["Record a successful interaction with agent X","Get the trust score for agent Y","Dispute a negative reputation entry"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"sla-enforcement","name":"SLA Enforcement","description":"Register, monitor, and enforce service-level agreements between agents — automatic breach detection and reporting","tags":["sla","monitoring","compliance","a2a"],"examples":["Register an SLA with 99.5% uptime requirement","Report SLA metrics","Query breach status"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"discovery","name":"Agent Discovery & Matchmaking","description":"Search the agent registry, get capability-matched recommendations, and browse the global agent directory","tags":["discovery","registry","matchmaking","a2a"],"examples":["Find agents that provide image generation","Recommend agents for a multi-step research task"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"compliance","name":"Compliance & Ethics","description":"EU AI Act compliance checks, ethics screening, prompt injection scanning, and AI Bill of Materials drift detection","tags":["compliance","eu-ai-act","ethics","aibom","safety"],"examples":["Check EU AI Act compliance for an agent card","Scan a prompt for injection attempts","Detect AIBOM drift"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"identity","name":"Identity & Delegation","description":"Topological identity verification, Sybil-check, zero-trust attestation, and UCAN-style delegation validation","tags":["identity","verification","delegation","pqc","zero-trust"],"examples":["Verify an agent's topological identity","Validate a delegation chain","Run a Sybil resistance check"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"audit","name":"Decision Audit Vault","description":"Tamper-proof audit logging and verification — capture full decision cycles with RatchetGate-secured integrity proofs for regulatory compliance (GDPR/CCPA)","tags":["audit","logging","compliance","observability"],"examples":["Log an agent decision with reasoning trace","Verify audit log integrity"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"hallucination-oracle","name":"Hallucination Oracle","description":"LLM hallucination upper-bound constant — deterministic threshold for output reliability gating","tags":["hallucination","safety","oracle","llm"],"examples":["Get the hallucination threshold for gating agent outputs"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"compression","name":"HELIX Compression","description":"proprietary geometric model and data compression with decompression — lossless via E8 lattice geometry","tags":["compression","optimization","geometric-compression"],"examples":["Compress a model checkpoint","Decompress a HELIX-encoded payload"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"agent-reasoning","name":"Agent Reasoning Tools","description":"Semantic diff, intent classification, contradiction detection, token budget optimization, capability matching, and multi-step plan generation","tags":["reasoning","planning","nlp","a2a"],"examples":["Classify the intent of an agent message","Detect contradictions in an agent plan","Generate a multi-step execution plan"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"swarm-relay","name":"Swarm Relay","description":"Multi-agent swarm message relay and inbox for coordinated agent-to-agent communication","tags":["swarm","messaging","coordination","a2a"],"examples":["Relay a task message to a swarm of agents","Check the swarm inbox for pending messages"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"zero-day-scanner","name":"Zero-Day Scanner","description":"Scan agent code or payloads for zero-day vulnerability patterns","tags":["security","zero-day","vulnerability"],"examples":["Scan an agent payload for known zero-day patterns"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"pre-action-auth","name":"Pre-Action Authorization Gateway","description":"Deterministic pre-action authorization for tool calls — evaluates agent actions against formally verified policy bounds before execution. Returns cryptographic authorization tokens.","tags":["authorization","policy","governance","oap","control-plane"],"examples":["Authorize a fund transfer action for agent-324","Check if agent can invoke a high-risk tool at delegation depth 3"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"spending-governance","name":"Spending Governance Oracle","description":"Agent chain spending authorization with trust-decay bounds — validates whether an agent or multi-hop delegation chain is authorized to spend a given amount. Prevents runaway spending.","tags":["spending","governance","payments","x402","control-plane"],"examples":["Authorize a 50,000 micro-USDC spend at chain depth 2","Validate a 5-hop agent chain spending budget"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"decision-lineage","name":"Decision Lineage Vault","description":"Cross-framework structured decision trace capture — records intent, reasoning, constraints, alternatives, and outcomes in a tamper-proof hash chain. GDPR/CCPA audit-ready.","tags":["observability","lineage","audit","compliance","control-plane"],"examples":["Record a decision with full reasoning trace","Trace a decision chain back to its root"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"behavioral-contract","name":"Behavioral Contract Verifier","description":"Verify agent behavioral specs against formally proven bounds — attestation that an agent's stated policies (delegation depth, hallucination rate, spending limits) are within provably safe parameters.","tags":["verification","contracts","formal-methods","attestation","control-plane"],"examples":["Verify an agent's behavioral contract claims","Retrieve a Nexus-Certified attestation"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"identity-federation","name":"Agent Identity Federation","description":"Mint platform-neutral agent identity tokens portable across AWS Bedrock, Google ADK, LangChain, CrewAI, AutoGen, and OpenAI Agents SDK. Solves cross-platform agent identity fragmentation.","tags":["identity","federation","portability","cross-platform","control-plane"],"examples":["Mint a federated identity for a Google ADK agent","Verify a federation token from another platform","Check capability portability from AWS to LangChain"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"consensus-broker","name":"Multi-Agent Consensus Broker","description":"Coordinate N agents voting on an output with majority/unanimous/weighted/supermajority quorum modes. Issues a signed certificate when consensus is reached. Fills the missing A2A v1.0 consensus primitive.","tags":["consensus","voting","coordination","multi-agent","certification"],"examples":["Open a majority-quorum session for 3 agents","Cast a vote with confidence 0.92","Retrieve the certified consensus result"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"quota-ledger","name":"Hierarchical Quota Ledger","description":"Define a token/call budget tree for an orchestrator and sub-agents. Enforces parent-pool limits with per-child soft caps and idempotency-key retry deduplication to prevent storm-driven budget exhaustion.","tags":["quota","rate-limiting","budget","orchestration","governance"],"examples":["Create a 500k token tree for root + 3 sub-agents","Draw 4000 tokens with idempotency key","Check tree status and soft-cap alerts"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"output-certifier","name":"Output Certification Notary","description":"Issue a signed certificate proving an agent output passed a quality rubric before delivery. Built-in rubrics: contract-completeness-v2, safety-review-v1, hallucination-bound-v1. Verifiable offline.","tags":["certification","quality","notary","attestation","output"],"examples":["Certify a contract draft against completeness rubric","Verify an output certificate offline"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"rollback-coordinator","name":"Agent Rollback Coordinator","description":"Saga-as-a-Service for multi-step agent workflows — register compensating actions per step, checkpoint completions, and trigger reverse rollback on failure. Fills the standardized compensation gap.","tags":["rollback","saga","compensation","transactions","fault-tolerance"],"examples":["Register a 5-step workflow with compensating actions","Checkpoint a completed step","Trigger rollback from a failed step"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"memory-fence","name":"Cross-Tenant Memory Fence","description":"Cryptographic namespace boundary preventing cross-tenant memory bleed in warm-pooled agents. HMAC-derived per-tenant keys rotate each epoch. Audit trail for memory access patterns. GDPR/HIPAA audit-ready.","tags":["memory","isolation","multi-tenant","privacy","security"],"examples":["Create a strict isolation fence for a tenant session","Audit memory access counts","Close and purge a fence on session end"],"inputModes":["application/json"],"outputModes":["application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"6be2f3c0-cd06-4bff-bbd8-7dcbc8b59508","created_at":"2026-04-07T13:41:58.941700Z","updated_at":"2026-10-13T00:13:26.453888Z","hidden":false,"flag_count":0,"maintainer_notes":"Agent endpoint returns **402 Payment Required**. Payment-gated agents should declare this in the agent card so clients know what credentials/payment to provide.","category":"trust-safety","category_secondary":"agent-orchestration","uptime_percentage":100.0,"avg_response_time_ms":706,"last_health_check":"2026-10-13T00:13:26.156659Z","is_healthy":true,"status_notes":["Returning errors when contacted by users (Agent returned an unexpected error)"],"task_conformance":{"category":"402","passed":false,"checked_at":"2026-10-12T07:39:34.418347Z","response_ms":1058}}