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Architecture Evaluation (Rewritten)

Status: Draft (Rewritten) Date: 2026-02-02

Purpose

Evaluate the consolidated stack against interoperability, correctness, and operator experience goals.

Evaluation Criteria

  • Protocol fidelity: MCP 2025-11-25 compliance and cross-protocol mapping.
  • Execution safety: runtime isolation, strict validation, and consistent error handling.
  • Operability: tracing, metrics, and clear config surfaces.
  • Extensibility: clean adapter points and minimal coupling between layers.

Findings

  • Strengths: canonical tool model, progressive discovery pipeline, layered packages, deterministic wire contracts.
  • Risks: incomplete runtime backends; adapter coverage limited; auth duplicated across repos.
  • Opportunities: add A2A bindings using toolprotocol, and unify adapter validation to report feature loss.

Recommendations

  1. Formalize adapter coverage (MCP/A2A/OpenAI/Anthropic/Gemini).
  2. Establish runtime backend readiness tiers (prod, beta, stub).
  3. Consolidate auth into toolops/auth and wire it via middleware.

References

  • ai-tools-stack/docs/roadmap.md
  • ai-tools-stack/docs/architecture/protocol-crosswalk.md