chore: add NowSecure customer use license

.goreleaser.yaml

@@ -24,6 +24,7 @@ archives:
         formats: [zip]
     files:
       - README.md
+      - LICENSE.md
 
 checksum:
   name_template: "checksums.txt"

LICENSE.md

@@ -0,0 +1,25 @@
+# NowSecure Customer Use License
+
+Copyright © 2026 NowSecure, Inc. All rights reserved.
+
+Subject to the agreement governing a customer's use of NowSecure services
+(the "Customer Agreement"), NowSecure grants that customer and its authorized
+users a limited, non-exclusive, non-transferable, and non-sublicensable right
+to download, build, install, and execute unmodified copies of this software
+solely for the customer's internal use with NowSecure services the customer is
+authorized to access.
+
+No right is granted to modify, create derivative works from, redistribute,
+sublicense, sell, lease, or use this software or its source code to provide
+services to third parties, except to the extent such a restriction is
+prohibited by applicable law. All rights not expressly granted are reserved by
+NowSecure, Inc.
+
+The rights granted by this license end when the customer is no longer
+authorized to use the applicable NowSecure services. This software remains
+subject to the Customer Agreement, including its warranty disclaimers and
+limitations of liability. If this license conflicts with the Customer
+Agreement, the Customer Agreement controls.
+
+Third-party components and materials are governed by their respective license
+terms.

Makefile

@@ -24,14 +24,15 @@ mcpb:
 	rm -rf $(MCPB_STAGE) $(MCPB_FILE) $(MCPB_CHECKSUM)
 	mkdir -p $(MCPB_STAGE)/server $(dir $(MCPB_FILE))
 	sed 's/"version": "[^"]*"/"version": "$(VERSION)"/' $(MCPB_MANIFEST) > $(MCPB_STAGE)/manifest.json
+	cp LICENSE.md $(MCPB_STAGE)/LICENSE.md
 	GOCACHE=$(MCPB_GOCACHE) CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build $(GOFLAGS) -trimpath -ldflags "-s -w $(LDFLAGS)" -o $(MCPB_STAGE)/server/nsmcp-arm64 ./cmd/nsmcp
 	GOCACHE=$(MCPB_GOCACHE) CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build $(GOFLAGS) -trimpath -ldflags "-s -w $(LDFLAGS)" -o $(MCPB_STAGE)/server/nsmcp-amd64 ./cmd/nsmcp
 	lipo -create -output $(MCPB_STAGE)/server/nsmcp $(MCPB_STAGE)/server/nsmcp-arm64 $(MCPB_STAGE)/server/nsmcp-amd64
 	rm $(MCPB_STAGE)/server/nsmcp-arm64 $(MCPB_STAGE)/server/nsmcp-amd64
 	chmod 0755 $(MCPB_STAGE)/server/nsmcp
 	codesign --force --sign - $(MCPB_STAGE)/server/nsmcp
 	GOCACHE=$(MCPB_GOCACHE) CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build $(GOFLAGS) -trimpath -ldflags "-s -w $(LDFLAGS)" -o $(MCPB_STAGE)/server/nsmcp.exe ./cmd/nsmcp
-	cd $(MCPB_STAGE) && zip -q -X -r $(abspath $(MCPB_FILE)) manifest.json server
+	cd $(MCPB_STAGE) && zip -q -X -r $(abspath $(MCPB_FILE)) manifest.json LICENSE.md server
 	cd $(dir $(MCPB_FILE)) && shasum -a 256 $(notdir $(MCPB_FILE)) > $(notdir $(MCPB_CHECKSUM))
 	@echo "built $(MCPB_FILE)"
 

README.md

@@ -461,3 +461,12 @@ make test    # go test ./...
 make vet     # go vet ./...
 make fmt     # gofmt -w .
 ```
+
+## License
+
+Copyright © 2026 NowSecure, Inc. All rights reserved.
+
+This is proprietary software. Authorized NowSecure customers may download,
+build, and run unmodified copies solely for internal use with NowSecure
+services they are authorized to access, subject to their applicable agreement
+with NowSecure. See the [NowSecure Customer Use License](LICENSE.md).