Agentic Interaction Trust Gate
agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev
· Vassiliy Lakhonin
Before you let a counterparty agent transact or invoke a capability, check whether the evidence to trust that interaction is present. An A2A-compatible evidence-readiness gate for agent-to-agent and agent-mediated actions across A2A endpoint, MCP tool, checkout, account, and API surfaces. Bring the actor's identity claim, target surface, requested action, and dated evidence; get trust-routing triage, the missing source categories, evidence gaps, watch-next indicators, a decision-readiness score, a trust signal, and human-review routing. Evidence-readiness only — not identity verification, authentication, or transaction authorization.
B
Conformance score: 87/100
B-grade: working agent with minor gaps (often unsigned cards or thin metadata).
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agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
10 snapshots drifted 9× Every change toagent-card.json
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| 2026-07-04 05:09:07 | cdab81a33d97… |
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| 2026-07-03 12:44:39 | 118f77a97b44… |
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GET /api/agents/agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev/snapshots.Try it
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Endpoints
Skills · 1 declared · mapped to canonical taxonomy
Turns an unknown counterparty agent's requested action, target surface, identity claim, and dated evidence into a structured trust-routing recommendation — allo…
Health · last 30 probes
Who's calling this agent 30d
2 interactions captured (impressions + lookups + A2A calls)
rest
2
Public teaser: top-3 per dimension only. Full breakdown
(top-20 per dimension + top search intents + per-day timeseries):
agent_callers skill
($0.05/call, $0 on
Enterprise).
Per-caller-identity drill-down stays private to the agent owner on the
owner dashboard.
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[](https://agenstry.com/agents/agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev) [](https://agenstry.com/agents/agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev) [](https://agenstry.com/agents/agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev) [](https://agenstry.com/agents/agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"protocolVersion": "1.0",
"name": "Agentic Interaction Trust Gate",
"description": "Before you let a counterparty agent transact or invoke a capability, check whether the evidence to trust that interaction is present. An A2A-compatible evidence-readiness gate for agent-to-agent and agent-mediated actions across A2A endpoint, MCP tool, checkout, account, and API surfaces. Bring the actor's identity claim, target surface, requested action, and dated evidence; get trust-routing triage, the missing source categories, evidence gaps, watch-next indicators, a decision-readiness score, a trust signal, and human-review routing. Evidence-readiness only \u2014 not identity verification, authentication, or transaction authorization.",
"url": "https://agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev",
"provider": {
"organization": "Vassiliy Lakhonin",
"url": "https://vassiliylakhonin.github.io/",
"legalEntity": {
"type": "individual",
"name": "Vassiliy Lakhonin",
"url": "https://vassiliylakhonin.github.io/verification.json",
"sameAs": [
"https://github.com/vassiliylakhonin",
"https://pypi.org/project/agenda-intelligence-md/",
"https://glama.ai/mcp/servers/vassiliylakhonin/agenda-intelligence-md"
]
}
},
"version": "1.1.0",
"documentationUrl": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/docs/use-cases/agentic-interaction-trust.md",
"supportedInterfaces": [
{
"url": "https://agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev/message/send",
"protocolBinding": "JSONRPC",
"protocolVersion": "1.0"
}
],
"protocolVersions": [
"1.0"
],
"securitySchemes": {
"optionalClientId": {
"apiKeySecurityScheme": {
"location": "header",
"name": "X-Client-Id",
"description": "Optional caller identifier for observability and abuse triage. Not an access credential."
}
},
"productionBearer": {
"httpAuthSecurityScheme": {
"scheme": "bearer",
"bearerFormat": "opaque",
"description": "Bearer access key for the production message/send route. Enforced only when the operator configures an access key on this deployment; while unset the route is an open free demo and no key is required."
}
}
},
"securityRequirements": [],
"security": [],
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false,
"extendedAgentCard": false
},
"defaultInputModes": [
"application/json",
"text/plain",
"text/markdown"
],
"defaultOutputModes": [
"application/json",
"text/markdown"
],
"skills": [
{
"id": "agentic-interaction-trust-gate",
"name": "Counterparty-agent trust gate",
"description": "Turns an unknown counterparty agent's requested action, target surface, identity claim, and dated evidence into a structured trust-routing recommendation \u2014 allow, step up, escalate to human review, or block until verified \u2014 with the evidence that is still missing, a decision-readiness score, and mandatory human-review routing. Evidence-readiness triage, not identity verification.",
"tags": [
"agentic-ai",
"a2a",
"agent-to-agent",
"counterparty-agent",
"mcp",
"trust-and-safety",
"evidence-readiness",
"human-review",
"free"
],
"examples": [
"An unknown A2A agent wants to invoke a capability or settle a payment \u2014 is there enough evidence to allow it, step it up, or escalate?",
"Triage an agent-to-agent transaction before it executes: what authorization and tool-scope evidence is missing?",
"Should this AI shopping-agent checkout be allowed, stepped up, or escalated to human review?"
],
"inputModes": [
"application/json",
"text/plain"
],
"outputModes": [
"application/json",
"text/markdown"
]
}
],
"support": {
"email": "vassiliy.lakhonin@gmail.com",
"documentationUrl": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/MCP.md",
"hours_local": "Mon\u2013Fri 09:00\u201318:00 Asia/Almaty (UTC+5)",
"timezone": "Asia/Almaty",
"response_sla": "Best-effort response within 2 business days. Solo maintainer (not a company); not a paid support channel."
},
"x_agenda_intelligence": {
"hosted_wrapper": true,
"wrapper_scope": "A2A/JSON-RPC discovery, counterparty-agent trust triage before a delegated action or transaction, evidence gating, and routing response only",
"jsonrpc_endpoint": "https://agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev/message/send",
"ai_catalog": "https://agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev/.well-known/ai-catalog.json",
"repository": "https://github.com/vassiliylakhonin/agenda-intelligence-md",
"package": "https://pypi.org/project/agenda-intelligence-md/",
"mcp": {
"transport": "stdio",
"server_command": "agenda-intelligence-mcp",
"install": "pip install agenda-intelligence-md"
},
"boundaries": [
"Agentic interaction evidence triage only.",
"No autonomous live source retrieval.",
"No factual-truth verification.",
"No cybersecurity monitoring, fraud adjudication, identity verification, or transaction authorization.",
"No legal, compliance, financial, investment, insurance, or trading advice.",
"No approval, clearance, authorization, denial, blocking, or final decision.",
"Human review is required for consequential decisions."
],
"product_profile": "agentic_interaction_trust",
"canonical_product_name": "Agentic Interaction Trust Gate",
"documentation": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/docs/use-cases/agentic-interaction-trust.md",
"product_contract": {
"request_schema": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/schemas/v1/agentic-interaction-trust-request.schema.json",
"response_schema": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/schemas/v1/agentic-interaction-trust-response.schema.json",
"source_taxonomy": "https://github.com/vassiliylakhonin/agenda-intelligence-md/blob/main/source-requirements/agentic-interaction-trust.json",
"runnable_examples": "https://github.com/vassiliylakhonin/agenda-intelligence-md/tree/main/examples/agentic-interaction-trust",
"canonical_input_mode": "structured_json",
"demo_input_modes": [
"structured_json"
]
},
"required_before_action": [
"agent_identity_claim",
"operator_or_principal_authorization",
"agent_card_or_manifest",
"tool_scope_or_permission_evidence",
"session_authentication_evidence",
"action_intent_evidence",
"transaction_or_target_action_evidence"
],
"helpful_context_sources": [
"mcp_or_a2a_endpoint_metadata",
"rate_limit_or_abuse_signal",
"fraud_or_account_takeover_signal",
"device_or_infrastructure_evidence",
"provider_policy_or_allowlist",
"prior_interaction_history",
"incident_report_or_threat_intel",
"human_review_note"
],
"supported_contracts": [
"agentic_interaction_trust_contract"
],
"buyer_use_cases": [
"verify an unknown A2A counterparty agent before granting a capability or settling a payment",
"agent-to-agent (x402 / delegated-payment) transaction step-up before it executes",
"MCP tool-scope and permission evidence triage before an external agent invokes a tool",
"AI shopping-agent checkout step-up review",
"API partner delegated-action evidence readiness",
"trust-and-safety human-review queue preparation"
],
"commercial_positioning": "Before you let a counterparty agent transact or invoke a capability, check whether the evidence to trust that interaction is present. Actor identity claim + target surface + requested action + dated evidence -> auditable trust-routing triage with the missing evidence categories, a decision-readiness score, watch-next indicators, and human-review escalation. Evidence-readiness only: it surfaces what is missing before a policy engine or a human decides. It is not identity verification, authentication, or transaction authorization.",
"focus": [
"counterparty-agent trust triage before a delegated action or agent-to-agent transaction",
"A2A and MCP endpoint invocation evidence gates",
"delegated-action authority and permission evidence",
"agent-mediated checkout and account action triage",
"human-review escalation for consequential agentic actions"
],
"not_advice_notice": "Agentic interaction evidence triage only. Not cybersecurity monitoring, fraud adjudication, identity verification, transaction authorization, legal advice, compliance advice, or financial advice."
},
"signature": "eyJhbGciOiJFUzI1NiIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il0sImtpZCI6ImFnZW5kYS1pbnRlbGxpZ2VuY2UtbWQtMjAyNi0wNS0yOS02ZmY3NGQxMiJ9..K6Zw8hBmzVLbqOCS0Ko_DU-ljx7GcI9V3vY_cd9XVpp8f6Az9xGxtIcyG8apzvOVYscfTxkR6A3IBTIS1TipcQ"
}