nongnu: Add claude-code-acp.

* nongnu/packages/claude-code.scm (claude-code-acp): New variable.

nongnu/packages/claude-code.scm

@@ -3269,3 +3269,65 @@ Workers, supporting drafts 4, 7, 2019-09, and 2020-12.")
 models to external tools and data sources.")
     (license license:expat)))
 
+(define-public claude-code-acp
+  (package
+    (name "claude-code-acp")
+    (version "0.12.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://registry.npmjs.org/@zed-industries/claude-code-acp/-/claude-code-acp-"
+             version ".tgz"))
+       (sha256
+        (base32 "0d5q8yvapx4yh725si6fjgbszs6an0s8lab8p6iymca4qabpglxk"))))
+    (build-system node-build-system)
+    (arguments
+     (list
+      #:tests? #f
+      #:phases
+      #~(modify-phases %standard-phases
+           (add-after 'patch-dependencies 'delete-dev-dependencies
+             (lambda _
+               (modify-json (delete-dev-dependencies))))
+           (add-after 'delete-dev-dependencies 'delete-build-scripts
+             (lambda _
+               (with-atomic-json-file-replacement
+                 (lambda (pkg)
+                   (map (lambda (kv)
+                          (if (equal? (car kv) "scripts")
+                              (cons "scripts"
+                                    (filter
+                                     (lambda (s)
+                                       (not
+                                        (member (car s)
+                                                '("build" "prepare"
+                                                  "prepack" "postinstall"))))
+                                     (cdr kv)))
+                              kv))
+                        pkg)))))
+           (delete 'build)
+           (delete 'validate-runpath))))
+    (inputs
+     (list
+      node-agentclientprotocol-sdk
+      node-anthropic-ai-claude-agent-sdk
+      node-modelcontextprotocol-sdk
+      node-diff
+      node-minimatch
+      node-zod
+      node-ajv
+      node-ajv-formats
+      node-express
+      node-raw-body
+      node-hono
+      node-hono-node-server))
+    (home-page "https://www.npmjs.com/package/@zed-industries/claude-code-acp")
+    (synopsis "ACP-compatible Claude Code agent")
+    (description "This package provides an ACP-compatible coding agent powered by the
+Claude Code SDK.")
+    (license license:asl2.0)))
+
+
+;; Binary URL is from the official install script at
+;; <https://claude.ai/install.sh>.