build: add Makefile targets for manifest.json linting

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: Planeshifter

tools/make/lib/lint/Makefile

@@ -27,6 +27,7 @@ include $(TOOLS_MAKE_LIB_DIR)/lint/git/Makefile
 include $(TOOLS_MAKE_LIB_DIR)/lint/javascript/Makefile
 include $(TOOLS_MAKE_LIB_DIR)/lint/julia/Makefile
 include $(TOOLS_MAKE_LIB_DIR)/lint/license-headers/Makefile
+include $(TOOLS_MAKE_LIB_DIR)/lint/manifest_json.mk
 include $(TOOLS_MAKE_LIB_DIR)/lint/markdown/Makefile
 include $(TOOLS_MAKE_LIB_DIR)/lint/package_json.mk
 include $(TOOLS_MAKE_LIB_DIR)/lint/pkgs/Makefile
@@ -51,7 +52,7 @@ include $(TOOLS_MAKE_LIB_DIR)/lint/typescript/Makefile
 # @example
 # make lint
 #/
-lint: lint-filenames lint-javascript lint-markdown lint-c lint-python lint-julia lint-r lint-shell lint-typescript lint-conf lint-pkg-json lint-repl-help lint-license-headers lint-editorconfig
+lint: lint-filenames lint-javascript lint-markdown lint-c lint-python lint-julia lint-r lint-shell lint-typescript lint-conf lint-pkg-json lint-manifest-json lint-manifest-json-deps lint-repl-help lint-license-headers lint-editorconfig
 
 .PHONY: lint
 

tools/make/lib/lint/manifest_json.mk

@@ -0,0 +1,58 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+# Define the path of the manifest.json linter executable:
+MANIFEST_JSON_LINTER ?= $(TOOLS_PKGS_DIR)/lint/manifest-json/bin/cli
+
+# Define the command-line options to be used when invoking the executable:
+MANIFEST_JSON_LINTER_FLAGS ?=
+
+# Define the path of the manifest.json dependency linter executable:
+MANIFEST_JSON_DEPS_LINTER ?= $(TOOLS_PKGS_DIR)/lint/manifest-json-deps/bin/cli
+
+# Define the command-line options to be used when invoking the executable:
+MANIFEST_JSON_DEPS_LINTER_FLAGS ?=
+
+
+# RULES #
+
+#/
+# Lints `manifest.json` files.
+#
+# @example
+# make lint-manifest-json
+#/
+lint-manifest-json: $(NODE_MODULES)
+	$(QUIET) echo 'Linting manifest.json files...'
+	$(QUIET) NODE_PATH="$(NODE_PATH)" $(NODE) "$(MANIFEST_JSON_LINTER)" $(MANIFEST_JSON_LINTER_FLAGS) "$(ROOT_DIR)"
+
+.PHONY: lint-manifest-json
+
+#/
+# Lints `manifest.json` dependencies.
+#
+# @example
+# make lint-manifest-json-deps
+#/
+lint-manifest-json-deps: $(NODE_MODULES)
+	$(QUIET) echo 'Linting manifest.json dependencies...'
+	$(QUIET) NODE_PATH="$(NODE_PATH)" $(NODE) "$(MANIFEST_JSON_DEPS_LINTER)" $(MANIFEST_JSON_DEPS_LINTER_FLAGS) "$(ROOT_DIR)"
+
+.PHONY: lint-manifest-json-deps