diff --git a/CHANGELOG.md b/CHANGELOG.md
index 698813b..e89cd26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,3 +15,5 @@ and versions are tracked in the repo-root `VERSION` file.
 
 - Declared `base-bash-libs` as a required source dependency, kept `base-cli`
   required, and made the first-party CLI and Bash-library demos optional.
+- Narrowed the canonical manifest to Base's required repositories and optional
+  first-party demos, removing personal and adjacent integration repositories.
diff --git a/README.md b/README.md
index f27d249..18043d0 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,17 @@ basectl workspace doctor --manifest workspace.yaml
 basectl workspace clone --manifest workspace.yaml --dry-run
 ```
 
-The manifest keeps Base's source dependencies required: `base`,
-`base-bash-libs`, and `base-cli`. The first-party `base-cli-demo` and
-`base-bash-libs-demo` repositories remain listed for discovery and workspace
-updates, but are optional for a normal Base checkout. Use
-`basectl workspace clone --manifest workspace.yaml --include-optional` when a
-local checkout also needs those demos.
+The manifest keeps Base's source and workspace dependencies required: `base`,
+`base-bash-libs`, `base-cli`, and `base-workspace`. The first-party
+`base-demo`, `base-cli-demo`, and `base-bash-libs-demo` repositories remain
+listed for validation and workspace updates, but are optional for a normal
+Base checkout. Use `basectl workspace clone --manifest workspace.yaml --include-optional`
+when a local checkout also needs those demos.
+
+Personal projects and adjacent integration repositories are intentionally not
+members of this canonical manifest. They may still exist under the same local
+workspace root; use a separate manifest when they need to be cloned or updated
+as a group.
 
 ## Base
 
diff --git a/tests/validate.sh b/tests/validate.sh
index fa0b919..decae7b 100755
--- a/tests/validate.sh
+++ b/tests/validate.sh
@@ -55,7 +55,22 @@ assert_manifest_repo() {
 assert_manifest_repo base git@github.com:basefoundry/base.git true
 assert_manifest_repo base-bash-libs git@github.com:basefoundry/base-bash-libs.git true
 assert_manifest_repo base-cli git@github.com:basefoundry/base-cli.git true
+assert_manifest_repo base-workspace git@github.com:basefoundry/base-workspace.git true
+assert_manifest_repo base-demo https://github.com/basefoundry/base-demo.git false
 assert_manifest_repo base-cli-demo https://github.com/basefoundry/base-cli-demo.git false
 assert_manifest_repo base-bash-libs-demo https://github.com/basefoundry/base-bash-libs-demo.git false
 
+manifest_repo_count="$(awk '/^  - name:/ { count += 1 } END { print count + 0 }' workspace.yaml)"
+if [[ "$manifest_repo_count" != "7" ]]; then
+  printf 'workspace.yaml must contain exactly 7 canonical repositories; found %s.\n' "$manifest_repo_count" >&2
+  exit 1
+fi
+
+for removed_repo in banyanlabs bankbuddy brew base-platform-tools blend bleach; do
+  if grep -Eq "^  - name: ${removed_repo}$" workspace.yaml; then
+    printf 'workspace.yaml must not include unrelated repository: %s.\n' "$removed_repo" >&2
+    exit 1
+  fi
+done
+
 printf 'Repository baseline is present.\n'
diff --git a/workspace.yaml b/workspace.yaml
index 3297b63..7f0dc6f 100644
--- a/workspace.yaml
+++ b/workspace.yaml
@@ -19,51 +19,22 @@ repos:
     default_branch: main
     required: true
 
-  - name: base-cli-demo
-    url: https://github.com/basefoundry/base-cli-demo.git
-    default_branch: main
-    required: false
-
   - name: base-workspace
     url: git@github.com:basefoundry/base-workspace.git
     default_branch: main
     required: true
 
-  - name: banyanlabs
-    url: git@github.com:basefoundry/banyanlabs.git
-    default_branch: main
-    required: true
-
-  - name: bankbuddy
-    url: git@github.com:codeforester/bankbuddy.git
-    default_branch: main
-    required: true
-
-  - name: brew
-    url: git@github.com:codeforester/brew.git
-    default_branch: main
-    required: true
-
   - name: base-demo
     url: https://github.com/basefoundry/base-demo.git
     default_branch: main
-    required: true
-
-  - name: base-bash-libs-demo
-    url: https://github.com/basefoundry/base-bash-libs-demo.git
-    default_branch: main
     required: false
 
-  - name: base-platform-tools
-    url: https://github.com/basefoundry/base-platform-tools.git
+  - name: base-cli-demo
+    url: https://github.com/basefoundry/base-cli-demo.git
     default_branch: main
-    required: true
+    required: false
 
-  - name: blend
-    url: git@github.com:codeforester/blend.git
+  - name: base-bash-libs-demo
+    url: https://github.com/basefoundry/base-bash-libs-demo.git
     default_branch: main
-    required: true
-
-  - name: bleach
-    url: https://github.com/codeforester/bleach.git
     required: false