Name: PHION Agent Trust Infrastructure
Author: systems.phion

Tools observed via MCP handshake

phion_discover — Free complete PHION service index generated from canonical inventory. Use when the agent knows a capability or wants to inspect the full network.
phion_search_services — Search the complete canonical PHION inventory by task, capability, protocol or maximum advertised price without selecting or charging.
phion_get_service — Retrieve one exact canonical PHION service contract by service id or MCP tool name.
phion_preflight — Free service-specific schema, network, budget and economic preflight. It does not execute or charge.
phion_resolve — Free provider-neutral capability resolution. Applies eligibility constraints, preserves UNKNOWN and abstains when evidence is insufficient. Advisory only: never
phion_execute — Universal PHION execution gateway: enforce a budget and persistent idempotency, execute one selected PHION service, evaluate acceptance criteria, and return a s
index_feed — Canonical catalog snapshot or digest-based delta with exact HTTP/MCP records, PHION Execute templates and signed evidence; 0.005 USDC.
preflight — Free URL safety and reachability check.
try_service — Free representative preview, exact price and upgrade instructions for any PHION paid service; no wallet required.
schema_normalize_free — Free, rate-limited payload validation and safe key normalization before payment. Payment-critical values are never changed.
payment_diagnose — Free diagnosis of the exact payment-funnel stage and machine-readable recovery actions for any PHION service.
payment_capability_preflight — Free anonymous non-blocking self-report of wallet, mandate, x402 v2, network, asset, account kind and funding readiness. Detects EVM account types incompatible
verify — Free verification of a PHION signed receipt.
attest — x402 paid signed JSON attestation; 0.001 USDC on Base.
payment_preflight — Fail-closed x402 v2 firewall for network, asset, recipient, amount, scheme, resource host and expiry; 0.002 USDC.
fetch_evidence — Independently fetch bounded public evidence with redirect/DNS/connected-address SSRF checks, hashes and injection screening; 0.004 USDC.
mandate_reserve — Atomic spending reservation with cumulative cap and conflict-safe idempotency; 0.004 USDC.
inspect_agent — Pre-payment agent inspection across x402, A2A, ERC-8004, OpenAPI and MCP; failed inspections are not charged; 0.009 USDC.
journey_verify — Verify hash continuity, timestamps and ordered intent→quote→payment→delivery lifecycle; 0.010 USDC.
transaction_assurance — End-to-end settlement, timestamp, delivery-hash and deterministic acceptance assurance; 0.015 USDC.
transaction_recovery — Failure classification and non-repeating recovery plan with validated attempt history; 0.010 USDC.
schema_normalize — Safe alias normalization that refuses ambiguous canonical/alias collisions and never changes payment values; 0.001 USDC.
agent_reputation_evidence — Evidence-bounded agent reputation assessment with confidence, coverage, provenance limitations and a signed receipt; 0.005 USDC.
counterparty_risk_preflight — Deterministic counterparty policy preflight using supplied reputation evidence and transaction limits; 0.003 USDC.
tool_output_firewall — Inspect untrusted MCP/tool output before it enters agent context or triggers an action; 0.002 USDC.
delegation_scope_guard — Least-privilege guard for agent-to-agent delegation scope, destinations, budget and expiry; 0.003 USDC.
memory_write_guard — Screen persistent memory writes for poisoning, unsafe instructions and missing provenance; 0.002 USDC.
mcp_manifest_firewall — Inspect an MCP manifest before installation or trust; 0.002 USDC.
tool_call_policy_guard — Bind a proposed tool call to declared intent and execution policy; 0.002 USDC.
data_egress_preflight — Inspect outbound agent data and destination before transmission; 0.002 USDC.
agent_budget_guard — Enforce per-call, task, session and period budgets; 0.002 USDC.
idempotency_replay_guard — Detect safe replays and conflicting idempotency-key reuse; 0.002 USDC.
human_approval_policy — Classify an action as automatic, approval-required or denied; 0.002 USDC.
secret_redaction_preflight — Detect and redact common secret indicators before transmission; 0.002 USDC.
oauth_token_audience_guard — Validate declared OAuth audience and issuer; never send raw tokens; 0.002 USDC.
redirect_callback_validator — Validate HTTPS callbacks and redirect host allowlists; 0.002 USDC.
tool_capability_drift_monitor — Detect tool capability or manifest drift; 0.002 USDC.
mcp_server_identity_evidence — Bind MCP domain, endpoint, manifest, key and version; 0.003 USDC.
agent_task_handoff_receipt — Sign a bounded agent-task handoff; 0.003 USDC.
context_provenance_labeler — Hash and label context integrity, confidentiality and source; 0.002 USDC.
signed_result_comparator — Compare agent results and sign agreement or conflict; 0.003 USDC.
service_sla_attestation — Sign availability and latency calculations from bounded samples; 0.004 USDC.
payment_route_selector — Reject impossible x402 routes, rank safe eligible routes by policy and return the exact next payment action; read-only, deterministic, 0.002 USDC.
x402_quote_comparator — Validate x402 v2 fields and compare only quotes sharing asset and decimals; 0.002 USDC.
payment_receipt_reconciler — Compare canonical and common x402 payment/receipt aliases, settlement state and coverage; 0.003 USDC.
duplicate_charge_detector — Detect repeated transaction hashes, payment identifiers and idempotent intents; 0.003 USDC.
subscription_spend_guard — Bind one recurring charge to approval, merchant, due time and per-charge/period budgets; 0.003 USDC.
webhook_verifier — Fail-closed RFC 9421-style webhook preflight requiring trusted key, algorithm, nonce, freshness, replay status and signature coverage of method, target and cont
delivery_evidence — Bind successful delivery to transaction, request and matching 64-hex expected/observed content hashes without echoing content; 0.003 USDC.
inter_agent_policy_evaluator — Require policy identity, subject, action, lifetime and valid decisions; compute the restrictive cap and shared actions; 0.003 USDC.
concurrency_guard — Fail closed unless capacity counter is fresh and the request carries a lease plus idempotency binding; 0.002 USDC.
resource_cycle_guard — Require per-step identity, token and cost counters; detect repeated nodes/edges and enforce all three hard caps; 0.002 USDC.
abandoned_tool_detector — Require stale success plus multiple independent failed probes before classifying likely abandonment; 0.003 USDC.
manifest_version_diff — Recursive manifest diff that requires explicit versions and flags sensitive changes without a version advance; 0.002 USDC.
dependency_provenance_assessment — Fail closed on empty dependency sets or absent registry policy; distinguish digest declarations from verified provenance; 0.003 USDC.
conflict_resolution — Resolve or abstain; every candidate must bind source, value hash, observation time and bounded confidence; 0.003 USDC.
data_freshness_certificate — Certify freshness only when timestamp is bound to source URI and a 64-hex content hash; 0.002 USDC.
domain_ownership_evidence — Require a fresh domain-bound DNS-01/HTTP-01 challenge and separate control from legal ownership; 0.003 USDC.
purpose_bound_consent — Fail-closed consent bound to ID, subject, recipient, purpose, scope, issue/expiry and checked revocation state; 0.003 USDC.
retention_deletion_receipt — Separate requested, operator-completed and evidence-verified retention/deletion states using content and evidence hashes; 0.003 USDC.
interrupted_task_recovery — Resume only when task/checkpoint identity, sequence, deadline, attempt budget, idempotency and side effects are explicit; 0.003 USDC.
portable_observability_audit — Validate event identity, timestamps, hash chain and W3C-compatible lowercase nonzero trace/span identifiers; 0.004 USDC.
rwa_asset_due_diligence — Fail-closed issuer, contract, jurisdiction, custody and documentation coverage with independently fetched evidence; 0.019 USDC.
rwa_compliance — Fail-closed RWA transfer decision requiring explicit jurisdiction, KYC, allowlist, limit and transfer-window checks; 0.012 USDC.
rwa_nav_reserve — Compare declared NAV and reserve ratios with structured observed facts plus independently fetched evidence; returns discrepancies in basis points and fails clos
rwa_transaction_assurance — Verify an RWA asset, payment, delivery and transfer restrictions; 0.020 USDC.
rwa_corporate_actions — Detect and sign material RWA changes in NAV, income, maturity, redemption or freeze state; 0.012 USDC.
rwa_sanctions_screening_evidence — Evidence-based literal subject screening against observed official US/EU sanctions sources; 0.015 USDC. Not legal clearance or wallet attribution.
verified_web_extract — Bounded public web extraction with source, timestamp and hashes; 0.003 USDC.
entity_enrichment_evidence — Source-bounded entity field coverage with explicit missing facts; 0.008 USDC.
social_source_evidence — Attributable public social-source observations with identity limitations; 0.006 USDC.
market_data_snapshot — Timestamped public market-data snapshot with provenance; 0.005 USDC.
onchain_evidence — Public explorer or RPC response evidence with immutable hashes; 0.004 USDC.
verified_news_monitor — Literal query evidence across bounded public news sources; 0.006 USDC.
multi_source_fact_bundle — Independent source observations with agreement made explicit; 0.005 USDC.
document_to_verified_json — Public text, HTML, JSON or XML normalized to source-backed JSON; no OCR; 0.010 USDC.
source_backed_search — Literal search over supplied public sources with citations and hashes; 0.004 USDC.
live_data_freshness — Evaluate live source observation against explicit maximum age; 0.002 USDC.
person_enrichment_evidence — Person enrichment with free input preflight, provider attribution, likelihood, limitations and signed receipt; 0.006 USDC.
company_enrichment_evidence — Company enrichment with free input preflight, provider attribution and signed evidence; 0.005 USDC.
contact_enrichment_evidence — Business-contact enrichment with free input preflight, identity limitations and signed receipt; 0.007 USDC.
mcp_2026_compatibility_gateway — MCP 2026 Compatibility Gateway; deterministic signed assessment over supplied input.
durable_agent_task — Durable Agent Task; deterministic signed assessment over supplied input.
task_checkpoint_evidence — Task Checkpoint Evidence; deterministic signed assessment over supplied input.
task_cancel_assurance — Task Cancel Assurance; deterministic signed assessment over supplied input.
agent_approval_relay — Agent Approval Relay; deterministic signed assessment over supplied input.
capability_negotiation_preflight — Capability Negotiation Preflight; deterministic signed assessment over supplied input.
mcp_catalog_cache_guard — MCP Catalog Cache Guard; deterministic signed assessment over supplied input.
oauth_issuer_binding_evidence — OAuth Issuer Binding Evidence; deterministic signed assessment over supplied input.
mcp_a2a_task_bridge — MCP-A2A Task Bridge; deterministic signed assessment over supplied input.
quote_freshness_guard — Quote Freshness Guard; deterministic signed assessment over supplied input.
delegated_credential_guard — Delegated Credential Guard; deterministic signed assessment over supplied input.
agent_session_continuity — Agent Session Continuity; deterministic signed assessment over supplied input.
task_lease_guard — Task Lease Guard; deterministic signed assessment over supplied input.
tool_result_schema_validator — Tool Result Schema Validator; deterministic signed assessment over supplied input.
agent_memory_provenance — Agent Memory Provenance; deterministic signed assessment over supplied input.
payment_delivery_atomicity — Payment Delivery Atomicity; deterministic signed assessment over supplied input.
service_failover_selector — Service Failover Selector; deterministic signed assessment over supplied input.
agent_rate_limit_negotiator — Agent Rate Limit Negotiator; deterministic signed assessment over supplied input.
execution_cost_estimator — Execution Cost Estimator; deterministic signed assessment over supplied input.

when	check	result	http	latency	detail
3 h ago	mcp initialize	ok	200	113 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
10 h ago	mcp initialize	ok	200	116 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
16 h ago	mcp initialize	ok	200	124 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
22 h ago	mcp initialize	ok	200	112 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
29 h ago	mcp initialize	ok	200	123 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
2 d ago	mcp initialize	ok	200	209 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
2 d ago	mcp initialize	ok	200	139 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
2 d ago	mcp initialize	ok	200	118 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
2 d ago	mcp initialize	ok	200	122 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools
3 d ago	mcp initialize	ok	200	117 ms	server phion-universal 1.57.0 · protocol 2025-06-18 · 135 tools

PHION Agent Trust Infrastructure

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