diff --git a/.github/workflows/schemas-drift.yml b/.github/workflows/schemas-drift.yml
index 57b9586..6162281 100644
--- a/.github/workflows/schemas-drift.yml
+++ b/.github/workflows/schemas-drift.yml
@@ -18,7 +18,7 @@ jobs:
       # this job strict once prod serves GET /schemas/{project,agent}.json.
       - name: Check vendored schemas against the platform API
         env:
-          MAJOR_SCHEMAS_BASE_URL: https://api.major.tech
+          MAJOR_SCHEMAS_BASE_URL: https://api.prod.major.build
         run: |
           set -e
           status=0
diff --git a/Makefile b/Makefile
index 35d06de..d62a8ba 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,7 @@ release:
 # Override the source with MAJOR_SCHEMAS_BASE_URL, e.g. against a local dev API:
 #   MAJOR_SCHEMAS_BASE_URL=http://localhost:3301 make sync-schemas
 sync-schemas:
-	@base="$${MAJOR_SCHEMAS_BASE_URL:-https://api.major.tech}"; \
+	@base="$${MAJOR_SCHEMAS_BASE_URL:-https://api.prod.major.build}"; \
 	echo "Syncing schemas from $$base..."; \
 	curl -fsSL "$$base/schemas/project.json" -o projects/schemas/project.schema.json; \
 	curl -fsSL "$$base/schemas/agent.json" -o projects/schemas/agent.schema.json; \
diff --git a/projects/schemas.go b/projects/schemas.go
index e4de3ab..5eb2d0b 100644
--- a/projects/schemas.go
+++ b/projects/schemas.go
@@ -38,8 +38,8 @@ func ensureSchemas() {
 		c := jsonschema.NewCompiler()
 
 		for name, id := range map[string]string{
-			"schemas/project.schema.json": "https://schemas.major.tech/project.json",
-			"schemas/agent.schema.json":   "https://schemas.major.tech/agent.json",
+			"schemas/project.schema.json": "https://schemas.major.build/project.json",
+			"schemas/agent.schema.json":   "https://schemas.major.build/agent.json",
 		} {
 			raw, err := SchemaFS.ReadFile(name)
 			if err != nil {
@@ -58,12 +58,12 @@ func ensureSchemas() {
 
 		var err error
 
-		projectSchema, err = c.Compile("https://schemas.major.tech/project.json")
+		projectSchema, err = c.Compile("https://schemas.major.build/project.json")
 		if err != nil {
 			panic("projects: project schema failed to compile: " + err.Error())
 		}
 
-		agentSchema, err = c.Compile("https://schemas.major.tech/agent.json")
+		agentSchema, err = c.Compile("https://schemas.major.build/agent.json")
 		if err != nil {
 			panic("projects: agent schema failed to compile: " + err.Error())
 		}
diff --git a/projects/schemas/SCHEMAS.sha256 b/projects/schemas/SCHEMAS.sha256
index 47e34a4..247b876 100644
--- a/projects/schemas/SCHEMAS.sha256
+++ b/projects/schemas/SCHEMAS.sha256
@@ -1,4 +1,4 @@
-source: http://localhost:3301
-fetched: 2026-07-24T03:28:48Z
-47002e01681b41a1030b88e395897008b370c4a42b465b541e77038f8b2509d1  projects/schemas/project.schema.json
-cf84e4941f22d1a759594575154b80c1154e10ac685fa5597ffcc2f53eebe5ed  projects/schemas/agent.schema.json
+source: https://api.prod.major.build
+fetched: 2026-07-24T05:46:31Z
+2fdca52b431d214f4e54413d069f6d533e5479b58475c4315df2dc3b8c113c29  projects/schemas/project.schema.json
+b198a6c144a32dd01baf7745a4d3cc4a50f2f699d731ba84b7b7b1776e4f6b82  projects/schemas/agent.schema.json
diff --git a/projects/schemas/agent.schema.json b/projects/schemas/agent.schema.json
index 7b4f6d8..c1eaf77 100644
--- a/projects/schemas/agent.schema.json
+++ b/projects/schemas/agent.schema.json
@@ -1 +1 @@
-{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://schemas.major.tech/agent.json","title":"Major agent definition","type":"object","properties":{"$schema":{"type":"string"},"slug":{"type":"string","maxLength":63,"pattern":"^[a-z0-9]+(-[a-z0-9]+)*$"},"name":{"type":"string","minLength":1,"maxLength":100},"description":{"type":"string","maxLength":1000},"model":{"type":"string","minLength":1},"systemPrompt":{"anyOf":[{"type":"string","minLength":1},{"type":"object","properties":{"file":{"type":"string","minLength":1}},"required":["file"],"additionalProperties":false}]},"env":{"type":"object","propertyNames":{"type":"string","pattern":"^[A-Z][A-Z0-9_]*$"},"additionalProperties":{"anyOf":[{"type":"string"},{"type":"null"}]}}},"required":["slug","name","systemPrompt"],"additionalProperties":false}
\ No newline at end of file
+{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://schemas.major.build/agent.json","title":"Major agent definition","type":"object","properties":{"$schema":{"type":"string"},"slug":{"type":"string","maxLength":63,"pattern":"^[a-z0-9]+(-[a-z0-9]+)*$"},"name":{"type":"string","minLength":1,"maxLength":100},"description":{"type":"string","maxLength":1000},"model":{"type":"string","minLength":1},"systemPrompt":{"anyOf":[{"type":"string","minLength":1},{"type":"object","properties":{"file":{"type":"string","minLength":1}},"required":["file"],"additionalProperties":false}]},"env":{"type":"object","propertyNames":{"type":"string","pattern":"^[A-Z][A-Z0-9_]*$"},"additionalProperties":{"anyOf":[{"type":"string"},{"type":"null"}]}}},"required":["slug","name","systemPrompt"],"additionalProperties":false}
\ No newline at end of file
diff --git a/projects/schemas/project.schema.json b/projects/schemas/project.schema.json
index d32db5d..1c86a6a 100644
--- a/projects/schemas/project.schema.json
+++ b/projects/schemas/project.schema.json
@@ -1 +1 @@
-{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://schemas.major.tech/project.json","title":"Major project definition","type":"object","properties":{"$schema":{"type":"string"},"name":{"type":"string","minLength":1,"maxLength":100},"srcDir":{"type":"string","minLength":1}},"required":["name"],"additionalProperties":false}
\ No newline at end of file
+{"$schema":"https://json-schema.org/draft/2020-12/schema","$id":"https://schemas.major.build/project.json","title":"Major project definition","type":"object","properties":{"$schema":{"type":"string"},"name":{"type":"string","minLength":1,"maxLength":100},"srcDir":{"type":"string","minLength":1}},"required":["name"],"additionalProperties":false}
\ No newline at end of file
diff --git a/projects/testdata/valid/project.json b/projects/testdata/valid/project.json
index 663d379..a123286 100644
--- a/projects/testdata/valid/project.json
+++ b/projects/testdata/valid/project.json
@@ -1,5 +1,5 @@
 {
-	"$schema": "https://schemas.major.tech/project.json",
+	"$schema": "https://schemas.major.build/project.json",
 	"name": "Valid Project",
 	"srcDir": "src/"
 }
diff --git a/projects/testdata/valid/src/agents/triage/agent.json b/projects/testdata/valid/src/agents/triage/agent.json
index 5027faf..a368570 100644
--- a/projects/testdata/valid/src/agents/triage/agent.json
+++ b/projects/testdata/valid/src/agents/triage/agent.json
@@ -1,5 +1,5 @@
 {
-	"$schema": "https://schemas.major.tech/agent.json",
+	"$schema": "https://schemas.major.build/agent.json",
 	"slug": "triage",
 	"name": "Support Triage",
 	"description": "Triages inbound tickets",