---
title: "MCP Spec-Revision Compliance Scorer & Stateless Migration Advisor"
method: POST
path: "/v1/tools/score_mcp_spec_revision"
tags: ["MCP", "spec revision", "stateless", "migration", "compliance", "2026-07-28"]
---

# MCP Spec-Revision Compliance Scorer & Stateless Migration Advisor

`POST /v1/tools/score_mcp_spec_revision`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/score_mcp_spec_revision`
- Auth: none declared

Scores an MCP server's capability/handshake posture against a target spec revision (2025-06-18, 2025-11-25, or the 2026-07-28 release candidate) and advises on the breaking changes in the stateless protocol core. Reference rules are static and may age — verify against the live MCP specification.

**Tool URL:** https://ainumbers.co/tools/280-mcp-spec-revision-compliance-scorer.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `target_revision` '2025-06-18' | '2025-11-25' | '2026-07-28-rc': Target MCP spec revision to score against
  - `answers` object: Capability answers

## Response `200`

Successful tool execution result

- object
  - `score` number
  - `findings` unknown[]
    - unknown

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)