CapiscIO Launches Open-Source Security Middleware for Google's A2A Protocol

FOR IMMEDIATE RELEASE

MIAMI, FL – November 12, 2025 – CapiscIO today announced CapiscIO A2A Security v0.1.0, the first open-source security middleware specifically built for Google's Agent-to-Agent (A2A) protocol. Released October 13, the middleware addresses what Insight Partners recently identified as a critical gap in enterprise AI security: agent integration monitoring and context-aware network protection for autonomous systems. With the A2A protocol backed by 50+ partners including Google, Salesforce, ServiceNow, SAP, and Intuit, CapiscIO establishes the foundation for trusted agent networks in what analysts project to be a multi-trillion dollar market opportunity.

The Multi-Trillion Dollar Security Problem

The enterprise AI landscape is transforming rapidly. As organizations deploy autonomous agents to handle business-critical workflows, the attack surface expands exponentially. Insight Partners estimates AI-driven cybercrime will exceed $15 trillion by 2030, with agent-to-agent communications representing a particularly vulnerable vector.

"When agents communicate autonomously across organizational boundaries, traditional security models break down," said Beon de Nood, Founder & CEO at CapiscIO. "You can't firewall your way out of this problem. These systems need runtime protection that validates every interaction, incoming and outgoing, without requiring the entire network to adopt the same standards."

The challenge is particularly acute for A2A implementations. As Insight Partners noted in their recent agent security analysis, protocols like A2A require "agent-specific intelligence" and context-aware monitoring capabilities that existing network security tools aren't designed to provide.

What's Built: Runtime Protection Foundation

CapiscIO A2A Security v0.1.0 delivers core runtime protection with transparent positioning as an early but production-ready release:

Currently Integrated:

• Message Validation: Protocol compliance and structural integrity checking for all A2A message types
• Rate Limiting: Token bucket algorithm preventing request flooding and agent account takeover (AATO)
• Flexible Configuration: Three presets (Development, Production, Strict) with monitor mode for non-blocking validation
• One-Line Integration: Simple wrapper pattern requiring minimal code changes

Available as Standalone Validators: The package also includes comprehensive validators for signatures (JWS/JWKS), agent cards, certificates, URLs, and semantic versioning—providing developers with tools to build custom security policies beyond the core runtime flow.

"We're transparent about this being v0.1.0," said de Nood. "The core runtime protection works, message validation and rate limiting are battle-tested with 150 comprehensive tests. The additional validators are built and available as APIs, but not yet automatically integrated. We're iterating based on real deployments rather than waiting to launch something untested in production."

What's Coming: Complete Trust Infrastructure

The middleware release is phase one of CapiscIO's roadmap to address all five areas Insight Partners identified for agent security innovation:

• Q4 2025 (Current): Production hardening, performance optimization, plugin system for custom policies
• Q1 2026: Platform launch with Trust Badge API, Agent Registry, and Security Dashboard
• Q2-Q3 2026: Agent observability and monitoring with full prompt/output logging and anomaly detection
• Q3-Q4 2026: Enterprise features including on-premise deployment, SOC 2 compliance, and agent marketplace

"By late 2026, organizations will have end-to-end visibility and control, from agent identity to data lineage," said de Nood. "But you can start protecting agents today. Install the middleware, wrap your executor, and the platform grows with you as we ship new capabilities."

Open Source, Community-Driven

Released under Apache 2.0 license with Python 3.10-3.13 support, the middleware is free and open-source. The project includes comprehensive documentation, working examples, and active GitHub Discussions where early adopters receive prioritized support and influence feature development.

The release complements CapiscIO's CLI validation tool (stable v2.0) and positions the company as establishing security standards for A2A protocol implementations.

Availability

CapiscIO A2A Security v0.1.0 is available now via PyPI (pip install capiscio-a2a-security) and GitHub.

Resources:

• Install: pip install capiscio-a2a-security
• GitHub: github.com/capiscio/a2a-security
• Documentation: docs.capisc.io/a2a-security
• Early Access Program: capisc.io/early-access

About CapiscIO

CapiscIO is building trust infrastructure for autonomous agent networks. The company's evolving suite of tools: CLI validation, runtime middleware, and forthcoming trust platform, enables organizations to deploy, secure, and govern AI agents with confidence. Supporting the open A2A protocol standard backed by Google and 50+ enterprise partners, CapiscIO is establishing security and governance standards for the emerging agent economy. Founded in 2025 and headquartered in Miami, FL, CapiscIO is committed to iterative development, open-source principles, and transparent roadmaps. Learn more at capisc.io.

Media Contact:
Beon de Nood
Founder & CEO
CapiscIO
info@capisc.io