Observatory · Catalog v0.4.0
Protocol sources
Research index, not a benchmark ranking. Records distinguish source documentation from independently reproduced measurements. No record on this page is marked independently verified.
MCP contributors · Source linked
Model Context Protocol
Open protocol for AI applications to connect with tools and contextual resources.
Version: Versioned specification; pin pending
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
No GC interoperability test has been run.
Primary source ↗A2A contributors · Source linked
Agent2Agent (A2A)
Agent communication and interoperability protocol.
Version: Versioned specification; pin pending
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
No GC interoperability test has been run.
Primary source ↗Governance Commons · Needs review
GC Agent Matrix
Governance and orchestration specification, included as first-party context rather than an independently tested protocol.
Version: README identifies 1.4.0
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
First-party; no interoperability or conformance claim.
Primary source ↗W3C · Needs review
Verifiable Credentials Data Model
Data model for verifiable claims and credentials.
Version: 2.0 specification
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
Specification status and implementation conformance have not been independently tested by GC.
Primary source ↗CNCF · Needs review
CloudEvents
Common event metadata specification for event-driven systems.
Version: Specification version pending
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
Not an agent-specific protocol; relevant to event evidence interoperability.
Primary source ↗OpenTelemetry · Needs review
OpenTelemetry
Observability specifications and semantic conventions for telemetry.
Version: Specification version pending
Evidence: Documentation only · Independent system evaluation: Not performed
Source review: Pending · Source snapshot: Not captured
Telemetry support does not establish governance compliance.
Primary source ↗No matching records. Try a different search or status.