Satellion https://satellion.com The A2A evaluation predicate, version 1 https://satellion.com/attestation/a2a-evaluation/v1/ The predicate type of the in-toto statement passmcp writes about an agent that speaks the Agent2Agent protocol: the Agent Card's canonical digest, whether it was signed and by which key, and each check's verdict. Sebastien Rousseau The MCP evaluation predicate, version 1 https://satellion.com/attestation/mcp-evaluation/v1/ The predicate type of the in-toto statement passmcp writes about an MCP server: what was tested, against which revision of the protocol, and each check's verdict with the evidence behind it. Sebastien Rousseau The security graph, version 1 https://satellion.com/graph/v1/ The document format of a passmcp-graph store: agents, MCP servers, tools, identities, discovery sources and attestations, and the edges between them, with IDs derived from what each node is. Sebastien Rousseau