Reflect the latest changes on the schema (#682)

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## Motivation and Context
<!-- Why is this change needed? What problem does it solve? -->
Addressing
https://github.com/modelcontextprotocol/registry/pull/634#issuecomment-3410615843
## How Has This Been Tested?
<!-- Have you tested this in a real application? Which scenarios were
tested? -->

## Breaking Changes
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## Types of changes
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the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
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that apply. -->
- [ ] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

## Additional context
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Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>

tools/extract-server-schema/main.go

@@ -33,6 +33,16 @@ func main() {
 		log.Fatalf("Failed to parse OpenAPI YAML: %v", err)
 	}
 
+	// Extract version from info section
+	info, ok := openapi["info"].(map[string]interface{})
+	if !ok {
+		log.Fatal("Missing 'info' in OpenAPI spec")
+	}
+	version, ok := info["version"].(string)
+	if !ok {
+		log.Fatal("Missing 'info.version' in OpenAPI spec")
+	}
+
 	// Extract components/schemas
 	components, ok := openapi["components"].(map[string]interface{})
 	if !ok {
@@ -78,11 +88,12 @@ func main() {
 		}
 	}
 
-	// Build the JSON Schema document
+	// Build the JSON Schema document with dynamic version from OpenAPI spec
+	schemaID := fmt.Sprintf("https://static.modelcontextprotocol.io/schemas/%s/server.schema.json", version)
 	jsonSchema := map[string]interface{}{
 		"$comment":    "This file is auto-generated from docs/reference/api/openapi.yaml. Do not edit manually. Run 'make generate-schema' to update.",
 		"$schema":     "http://json-schema.org/draft-07/schema#",
-		"$id":         "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
+		"$id":         schemaID,
 		"title":       "server.json defining a Model Context Protocol (MCP) server",
 		"$ref":        "#/definitions/ServerDetail",
 		"definitions": definitions,