A2ASTC v0.1.0 — Initial Release

A2ASTC v0.1.0 — Agent to Agent Software Team Compliance

Initial release of the A2ASTC specification and Python reference implementation.

Highlights

• 20-section specification covering team detection, manifest, audit signals, gate, intervention, and trail
• Five audit signal families: Topology, Semantic, Privilege, Side-Channel, Cascade
• Five verdict levels: ALLOW → WARN → THROTTLE → ISOLATE → TERMINATE
• SHA-256 hash-chained tamper-evident audit trail with 15 event types
• 15 adversarial TCK fixtures for conformance testing
• Four transport adapters: A2A JSON-RPC, A2A gRPC, MCP Bridge, Generic
• 238 tests passing
• Three conformance levels: Detection, Audit, Full Compliance

Install

pip install thinkneo-a2astc

Quick Start

from thinkneo_a2astc import TeamComplianceGate
gate = TeamComplianceGate()
result = gate.evaluate("agent-a", "agent-b", "message payload")
print(result.verdict)  # ALLOW | WARN | THROTTLE | ISOLATE | TERMINATE

Links

• Website: https://a2astc.space
• Specification: SPEC.md
• PyPI: https://pypi.org/project/thinkneo-a2astc/