Sold by: Kriv AI
Kriv AI wires up Agent-to-Agent (A2A) protocol across enterprise multi-agent systems on Amazon Bedrock AgentCore. Scope: Agent Card + AgentSkill registry, capability negotiation, task delegation, streaming responses via Server-Sent Events, JSON-RPC 2.0 transport, OAuth 2.1 + JWT + mTLS cross-agent auth, MCP + A2A interop, OpenTelemetry + AWS X-Ray cross-agent distributed tracing, orchestration patterns (fan-out / sequential / hierarchical / mesh). Use cases: clinical-orchestrator → specialist agents (imaging / lab / CDS / PHI / billing); financial-orchestrator → specialist agents (KYC / AML / trade surveillance / credit / compliance). AWS launched AgentCore A2A server support November 2025; Linux Foundation A2A has 150+ org members. Three tiers: $75K / $135K / $200K + $25K Extra Specialist Agent. AWS Select + Databricks + Anthropic CPN.
Overview
AWS added A2A server support for Bedrock AgentCore Runtime in November 2025. The Linux Foundation A2A has 150+ organizations in membership, Microsoft (Azure AI Foundry + Copilot Studio), AWS (AgentCore Runtime), Salesforce, SAP, ServiceNow all shipping production. Virtually zero A2A Protocol Integration professional services listings exist on AWS Marketplace today. Kriv plants the first flag in this 6–9 month first-mover window.
Agent-to-Agent (A2A) Protocol is Google's open specification (2024) for agent interoperability, the complement to Anthropic's Model Context Protocol (MCP). MCP standardizes agent-to-tool; A2A standardizes agent-to-agent: Agent Card publication, AgentSkill metadata, capability negotiation, task delegation, streaming responses, cross-vendor interop. Enterprises with multi-agent architectures (orchestrator → specialist chains) need A2A to escape vendor lock-in to a single framework and enable cross-account / cross-BU / cross-vendor coordination.
Existing AWS Marketplace listings don't close this gap. AgentRise Unified Agent Orchestration is a low-code product. IBM Consulting Advantage (ICA) for Agentic Applications is framework-level. IBM Consulting Agentic App, Regulate-AI / KYC-AI / Contract Management / DocuFlow-AI / Self-Service-AI are 5 vertical apps, none A2A-specific. IBM watsonx Orchestrate + IBM Agentic Cloud Transformation Accelerator aren't A2A-protocol-specific. Accenture / Deloitte / PwC / NorthBay / Adastra have no published A2A fixed-fee listings : Big-4 off-Marketplace at $150K–$500K+. LangGraph / CrewAI enterprise implementations run $75K–$300K. N35 is the first dedicated A2A Protocol Integration PS SKU with published pricing on AWS Marketplace.
A2A components. Agent Card publication; AgentSkill definitions; capability negotiation; task delegation (context passing + result aggregation); streaming responses (SSE); JSON-RPC 2.0 + SSE transport; OAuth 2.1 + JWT + mTLS auth + IAM Identity Center; per-skill ACLs; OpenTelemetry + X-Ray cross-agent tracing; MCP + A2A interop (tools via MCP per N26, peers via A2A); orchestration patterns (fan-out / sequential / hierarchical / mesh); A2A discovery via Cloud Map.
Reference architecture. Orchestrator + specialist agents on Bedrock AgentCore (same or cross-account via VPC peering / PrivateLink). AgentCore Identity for auth. AgentCore Gateway for A2A endpoints. API Gateway / App Mesh for mesh-routing. CloudWatch + OpenTelemetry + X-Ray for tracing. EventBridge for async events. SageMaker Model Monitor for per-agent quality. Bedrock Model Invocation Logging for audit.
Use-case examples. Healthcare (pair E4, N23, E3, N33): clinical-orchestrator → imaging, lab-results, CDS, PHI-de-id, billing-code. FS (pair N14, N17, N24): trade-execution orchestrator → KYC, AML-TM, credit-risk, compliance-review, trade-surveillance.
Week-by-week. W1 Scoping (architecture design; Agent Card + AgentSkill schema; orchestration-pattern selection). W2 Orchestrator + 1 specialist deployed on AgentCore + A2A transport baseline. W3 Discovery + delegation + streaming via SSE, Foundation closes (30-day warranty). W4 Standard: additional specialists (up to 5); MCP + A2A interop; OAuth 2.1 + JWT + mTLS; OpenTelemetry + X-Ray. W5 Standard: eval (integrates N29) + per-agent cost attribution + handoff (45-day warranty). W6–7 Enterprise: federation across 10+ agents; cross-account A2A; regulated-industry overlay (HIPAA §164.308(a)(1)(ii)(D); SR 11-7 via N24). W8 Enterprise: N26 + N27 + N31 sibling integration; 60-day hypercare.
Three tiers. Foundation $75K (5 wk; 2-agent A2A; transport baseline; Agent Card + AgentSkill registry; basic OAuth 2.1; 30-day warranty) for AI-native Series C–E + Fortune 1000 prototyping. Standard $135K (6 wk; up to 5 specialists; A2A + MCP interop; full OAuth 2.1 + JWT + mTLS; OpenTelemetry + X-Ray; eval harness; per-agent cost attribution; 45-day warranty) for mid-sized scaling. Enterprise $200K (8 wk; 10+ agent federation; cross-account A2A; regulated overlay, HIPAA or SR 11-7; N26 + N27 + N31 integration; 60-day hypercare) for regulated, G-SIB banks, top-25 payers, AMCs, multi-tenant SaaS. Optional Extra Specialist $25K.
Important disclosures. Kriv does NOT develop Customer agent business logic, deploys A2A infrastructure for Customer-authored agents. Does NOT operate A2A post-deployment (unless Managed Service retainer). Issues no SOC 2 / HIPAA / HITRUST / ISO / 42001 certifications. No legal / regulatory / compliance advice. A2A is an emerging open specification — breaking changes may require Customer-side remediation. No AgentCore API stability guarantee. AWS + Anthropic + Bedrock costs separate. Regulated overlay at Enterprise does NOT replace dedicated engagements (HIPAA → E3 + N23; SR 11-7 → N24). Anthropic CPN membership does not constitute endorsement.
Highlights
- First A2A Protocol Integration Professional Services SKU on AWS Marketplace — AgentCore A2A server support GA November 2025.** MCP standardizes agent-to-tool; A2A standardizes agent-to-agent. 150+ organizations in Linux Foundation A2A, Microsoft (Azure AI Foundry + Copilot Studio), AWS (AgentCore Runtime), Salesforce, SAP, ServiceNow shipping production. Pure first-mover window of 6–9 months before Deloitte / Accenture / IBM ship dedicated A2A SKUs.
- Agent Card publication + AgentSkill registry + capability negotiation + task delegation + streaming responses via Server-Sent Events + JSON-RPC 2.0 transport per A2A specification + OAuth 2.1 + JWT + mTLS cross-agent auth + MCP + A2A interop (agents expose tools via MCP governed by N26, call peers via A2A) + OpenTelemetry + AWS X-Ray cross-agent distributed tracing + orchestration patterns (fan-out / sequential / hierarchical / peer-to-peer mesh) + AWS Cloud Map agent discovery.
- AWS Select + Anthropic CPN — use cases: healthcare clinical-orchestrator → specialist agents (imaging/lab/CDS/PHI-de-id/billing); FS trade-orchestrator → specialist agents (KYC/AML/surveillance/credit/compliance).** Three tiers: Foundation $75K (2-agent A2A, 5 wk); Standard $135K (5 specialists + MCP interop + observability, 6 wk); Enterprise $200K (10+ agents + regulated overlay + N26/N27/N31 integration, 8 wk).
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Primary contact. info@kriv.ai · +1-732-433-5564 · https://kriv.ai/support
Response SLA. First response within 2 US business days (Mon–Fri 9 am – 6 pm ET, ex-US federal holidays). Active engagements: Engagement Lead within 4 business hours weekdays. Scale-driven multi-agent launches compress to same business day.
Onboarding SLA. First customer contact within 2 US business days of buyer inquiry / private-offer acceptance. Kickoff within 2–3 weeks of SOW; 5–10 business days scale-driven.
Escalation. (1) Engagement Lead (named in SOW) → (2) Practice Director (info@kriv.ai ) → (3) CEO Abhinav Dangri (info@kriv.ai ).
Communication. Dedicated Microsoft Teams channel; weekly 60-min video checkpoint; Friday written status. Customer SMEs 3–5 hrs/week (Head of AI Platform, Head of ML Engineering, VP Engineering, CAIO, CTO, Head of Enterprise Architecture, CISO, Head of SRE).
Handoff. Word/Excel/PDF in customer secure share; Agent Card + AgentSkill registry as JSON + Git repo; A2A transport client/server scaffolds as Python / TypeScript; OAuth 2.1 + JWT + mTLS as JSON + Terraform / CDK; OpenTelemetry + X-Ray instrumentation as CloudFormation; orchestration patterns as AgentCore / Step Functions templates.
Out of scope. Does NOT develop Customer agent business logic. Does NOT operate A2A post-deployment (unless Managed Service retainer). Issues no certifications. No legal / regulatory / compliance advice. A2A is an emerging open specification, breaking changes may require Customer-side remediation. No AgentCore API stability guarantee. Regulated overlay at Enterprise does NOT replace E3 / N23 / N24 engagements.
AWS + Anthropic-side billing. AWS infrastructure + Anthropic API + Bedrock Claude consumption separate.
Holiday coverage. Closed on US federal holidays.