[mcp] Split MCP project into 3

[glen-84]

Summary of the changes (Less than 80 chars)

• [mcp] Split MCP project into 3.

[github-actions]

🚀 Fusion Gateway Performance Results

Simple Composite Query

Requests/sec	Error Rate
4539.78 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95	P99
1.01ms	9.59ms	162.14ms	10.85ms	15.16ms	21.56ms	0.00ms

Executed Query

fragment User on User {
  id
  username
  name
}

fragment Review on Review {
  id
  body
}

fragment Product on Product {
  inStock
  name
  price
  shippingEstimate
  upc
  weight
}

query TestQuery {
  topProducts(first: 5) {
    ...Product
    reviews {
      ...Review
      author {
        ...User
      }
    }
  }
}

Variable Batching Throughput

Requests/sec	Error Rate
21777.48 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95	P99
0.10ms	1.85ms	51.71ms	2.25ms	3.78ms	5.48ms	0.00ms

Executed Query

query TestQuery_8f7a46ce_2(
  $__fusion_1_upc: ID!
  $__fusion_2_price: Long!
  $__fusion_2_weight: Long!
) {
  productByUpc(upc: $__fusion_1_upc) {
    inStock
    shippingEstimate(weight: $__fusion_2_weight, price: $__fusion_2_price)
  }
}

Variables (5 sets batched in single request)

[
  { "__fusion_1_upc": "1", "__fusion_2_price": 899, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "2", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 },
  { "__fusion_1_upc": "3", "__fusion_2_price": 15, "__fusion_2_weight": 20 },
  { "__fusion_1_upc": "4", "__fusion_2_price": 499, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "5", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 }
]

No baseline data available for comparison.

---

Run 19268563620 • Commit e97a284 • Tue, 11 Nov 2025 14:30:33 GMT

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

@@          Coverage Diff           @@
##             main   #8592   +/-   ##
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  Files           ?       0           
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  Hits            ?       0           
  Misses          ?       0           
  Partials        ?       0           

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