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External Validation Server JSON Report ​

Wave 2 extension report for semantically confirmed MCP Registry server.json surfaces. Source of truth lives in validation/external-repos-server-json/repo-shortlist.toml, current results in validation/external-repos-server-json/ledger.toml, and archived wave 1 baseline in validation/external-repos-server-json/archive/wave1-ledger.toml.

Cohort Composition ​

  • 18 repos evaluated
  • 12 remote-enabled repos
  • 6 control repos

Admission Results ​

  • containers/kubernetes-mcp-server via server.json. Cached canonical-cohort repo with a valid root server.json used as a clean control for package-only transport examples.
  • vapagentmedia/vap-showcase via server.json. Cached real-world MCP app repo with a root server.json and remote registry metadata under remotes[].
  • cloudflare/mcp-server-cloudflare via server.json. Registry-linked MCP server repo with remote entries using streamable-http and sse.
  • googleworkspace/developer-tools via server.json. Official Google Workspace developer tools repo with a root server.json and remote MCP registry metadata.
  • IO-Aerospace-software-engineering/mcp-server via server.json. Public MCP server with a root server.json exposing remote-enabled registry metadata.
  • MidOSresearch/midos via server.json. Committed root server.json with both packages and remote registry metadata for an MCP-enabled workspace.
  • mldotink/mcp via server.json. Root server.json with remote MCP registration metadata under remotes[].
  • netdata/netdata via server.json. Large production repo with a root server.json using remote URLs and variable definitions in remotes[].
  • tldraw/tldraw via apps/mcp-app/server.json. Nested application server.json with streamable-http and sse remotes under an operational app path.
  • arielbk/anki-mcp via server.json. Packages-only server.json used as a clean control for valid registry metadata without remote risk.
  • hashicorp/terraform-mcp-server via server.json. Packages-only server.json in a high-signal production repo, suitable as a control for package transport metadata.
  • VictoriaMetrics-Community/mcp-victoriametrics via server.json. Packages-only root server.json in a public production-focused MCP server repo, used as a clean control.
  • github/github-mcp-server via server.json. Official GitHub MCP server with root server.json remote metadata and header configuration under remotes[].
  • onkernel/kernel-mcp-server via server.json. Operational MCP server repo with a valid root server.json and remote-enabled registry metadata.
  • peek-travel/mcp-intro via server.json. Public tutorial repo with a committed root server.json using remotes[] under an operational path.
  • blockscout/mcp-server via server.json. Production MCP server repo with a root server.json and semantically confirmed remote registry configuration.
  • domdomegg/airtable-mcp-server via server.json. Packages-only server.json admitted as a clean control for valid registry metadata without remote risk.
  • formulahendry/mcp-server-code-runner via server.json. Committed server.json with package transport metadata only, suitable as a control for server-registry validation.

Overall Counts ​

  • 194 stable findings
  • 1 preview findings
  • 3 runtime parser errors
  • 0 diagnostics

Delta From Previous Wave ​

  • stable findings: 0 -> 194
  • preview findings: 0 -> 1
  • runtime parser errors: 2 -> 3
  • diagnostics: 0 -> 0
  • admitted repo set changes:
  • added blockscout/mcp-server
  • added domdomegg/airtable-mcp-server
  • added formulahendry/mcp-server-code-runner
  • added github/github-mcp-server
  • added onkernel/kernel-mcp-server
  • added peek-travel/mcp-intro

Stable Hits ​

  • no external Stable hits were observed from SEC319-SEC323

Preview Hits ​

  • no preview hits were observed in the server-json extension wave

Runtime / Diagnostic Notes ​

  • MidOSresearch/midos: 2 runtime parser errors, 0 diagnostics (non-admission-path issue)
  • formulahendry/mcp-server-code-runner: 1 runtime parser errors, 0 diagnostics (non-admission-path issue)

Keep the server.json surface and continue discovery; do not weaken SEC319-SEC323 if this wave stays clean but sparse.