Two Independent AI Agent Verification Tools Achieve Full CCS Spec Compliance

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Two independently developed software implementations — the npm package Correctover v2.4.9 and the Python-based ccs-verifier — have both passed all 14 conformance checks defined by the CCS specification, an IETF Experimental Internet-Draft for runtime verification of AI agent tool calls. The Correctover Conformance Shape (CCS) draft covers seven dimensions including Structure, Schema, Latency, Identity, and Security, using mechanisms such as Ed25519 signatures and JSON Canonicalization Scheme for integrity verification. The milestone was confirmed in August 2026, with the ccs-verifier implementation built without reference to the Correctover codebase, satisfying the IETF's requirement for independent interoperability. The -06 revision of the draft promoted key components — including the Admission Enforcement Boundary and Correctover Action ID — to normative references, and clarified receipt lifecycle and signature construction rules. Achieving 14/14 interoperability across two separate codebases is considered the strongest evidence that the specification is sufficiently clear to enable independent, compatible implementations.

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