{"version":"2.1.257","anchor":"new-telemetryerror-branch-for-unavailable-host-mcp-servers","canonical_anchor":"new-telemetryerror-branch-for-unavailable-host-mcp-servers","heading":"New telemetry\/error branch for unavailable host MCP servers in manifests","tier":"internal","area":"Artifacts","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257\/e\/new-telemetryerror-branch-for-unavailable-host-mcp-servers","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257","markdown":"### New telemetry\/error branch for unavailable host MCP servers in manifests\n\nPublish manifest validation now distinguishes a named host MCP server being unavailable from other malformed cases.\n\nManifest validation for artifact publish now distinguishes a `host_unavailable` failure kind from other malformed-manifest cases, emitting `host_server_unavailable` telemetry and a dedicated count when a host MCP server named in the manifest isn't available.\n\n- Area: Artifacts\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 3\/5"}