diff --git a/AGENTS.md b/AGENTS.md
index a93e5b4..c96bb67 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -5,6 +5,7 @@
 This repository contains Docker container images for Chaitin MonkeyCode developer workflows. The structure is organized as follows:
 
 - `docker/base/bookworm/` - Base Debian bookworm-slim image with essential development tools
+- `docker/devbox/bookworm/` - All-in-one devbox with Go, Node.js, Python, and common packages (extends base)
 - `docker/frontend/node20/` - Node.js 20 frontend development image (extends base)
 - `docker/golang/1.25-bookworm/` - Go 1.25 development image (extends base)
 - `scripts/build.sh` - Environment-driven build script for all images
@@ -20,6 +21,9 @@ Each stack directory contains a single `Dockerfile` defining that specific image
 # Base image
 STACK=base VERSION=bookworm ./scripts/build.sh
 
+# Devbox all-in-one image
+STACK=devbox VERSION=bookworm ./scripts/build.sh
+
 # Frontend Node.js image
 STACK=frontend VERSION=node20 ./scripts/build.sh
 
@@ -37,6 +41,9 @@ PUSH=true REGISTRY=ghcr.io/chaitin/monkeycode-runner STACK=base VERSION=bookworm
 # Base image
 docker run --rm -it ghcr.io/chaitin/monkeycode-runner/base:bookworm bash
 
+# Devbox all-in-one image
+docker run --rm -it ghcr.io/chaitin/monkeycode-runner/devbox:bookworm bash
+
 # Frontend image
 docker run --rm -it ghcr.io/chaitin/monkeycode-runner/frontend:node20 node --version
 
@@ -88,7 +95,7 @@ docker run --rm -it ghcr.io/chaitin/monkeycode-runner/golang:1.25-bookworm go ve
 
 ### CI Testing
 - All images must build successfully in GitHub Actions
-- Matrix builds test all three stacks concurrently
+- Matrix builds test all stacks concurrently
 - Multi-architecture support is verified automatically
 
 ## Commit & Pull Request Guidelines
@@ -136,5 +143,6 @@ Default registry: `ghcr.io/chaitin/monkeycode-runner`
 Image naming: `{registry}/{stack}:{version}`
 Examples:
 - `ghcr.io/chaitin/monkeycode-runner/base:bookworm`
+- `ghcr.io/chaitin/monkeycode-runner/devbox:bookworm`
 - `ghcr.io/chaitin/monkeycode-runner/frontend:node20`
 - `ghcr.io/chaitin/monkeycode-runner/golang:1.25-bookworm`
diff --git a/README.md b/README.md
index c2a2d2b..42bba5f 100644
--- a/README.md
+++ b/README.md
@@ -15,11 +15,34 @@ Base container images for Chaitin MonkeyCode developer workflows.
   STACK=base VERSION=bookworm ./scripts/build.sh
 - Run: `docker run --rm -it ghcr.io/chaitin/monkeycode-runner/base:bookworm bash`
 
-## Devbox image (bookworm)
-- Dockerfile: `docker/devbox/bookworm/Dockerfile` (extends base image and adds diagnostic packages: htop, iputils-ping, iproute2 (ip/ss), wget).
+## Devbox image (bookworm) - All-in-one Development Environment
+- Dockerfile: `docker/devbox/bookworm/Dockerfile` (extends base image with Go 1.25.6, Node.js 22.22.0 LTS, Python 3.11, and diagnostic tools).
 - Build locally: `STACK=devbox VERSION=bookworm ./scripts/build.sh`
 - Push to GHCR: `PUSH=true REGISTRY=ghcr.io/chaitin/monkeycode-runner STACK=devbox VERSION=bookworm ./scripts/build.sh`
-- Run: `docker run --rm -it ghcr.io/chaitin/monkeycode-runner/devbox:bookworm htop`
+- Run: `docker run --rm -it ghcr.io/chaitin/monkeycode-runner/devbox:bookworm bash`
+
+### Included Tools:
+- **Go 1.25.6**: with staticcheck, gofumpt, swag
+- **Node.js 22.22.0**: with Corepack (pnpm, yarn enabled)
+- **Python 3.11**: with pip (PIP_BREAK_SYSTEM_PACKAGES enabled)
+  - Pre-installed packages: requests, flask, django, beautifulsoup4, scrapy
+- **Diagnostic tools**: htop, iputils-ping, iproute2, wget
+
+### Example Usage:
+```bash
+# Run the container
+docker run --rm -it -v $(pwd):/workspace ghcr.io/chaitin/monkeycode-runner/devbox:bookworm bash
+
+# Inside the container:
+go version      # Go 1.25.6
+node --version  # v22.22.0
+python3 --version  # 3.11.x
+npm install     # Works with Corepack enabled
+python3 -c "import requests; print('requests:', requests.__version__)"  # 2.32.5
+python3 -c "import flask; print('flask:', flask.__version__)"  # 3.1.2
+python3 -c "import django; print('django:', django.VERSION)"  # (5, 2, 10, 'final', 0)
+python3 -c "import scrapy; print('scrapy:', scrapy.__version__)"  # 2.14.1
+```
 
 ## Frontend image (node20)
 - Dockerfile: `docker/frontend/node20/Dockerfile` (extends base image with Node.js 20 and Corepack for frontend tooling).
@@ -41,7 +64,7 @@ Base container images for Chaitin MonkeyCode developer workflows.
 
 ## Layout
 - `docker/base/bookworm/Dockerfile` – base image definition.
-- `docker/devbox/bookworm/Dockerfile` – devbox image with common diagnostic tools.
+- `docker/devbox/bookworm/Dockerfile` – all-in-one devbox with Go, Node.js, and Python.
 - `docker/frontend/node20/Dockerfile` – Node.js frontend developer image.
 - `docker/golang/1.25-bookworm/Dockerfile` – Go developer image (bookworm + Go 1.25).
 - `docker/rust/1.91-bookworm/Dockerfile` – Rust developer image (bookworm + Rust 1.91).
diff --git a/docker/devbox/bookworm/Dockerfile b/docker/devbox/bookworm/Dockerfile
index aaa19df..b87e709 100644
--- a/docker/devbox/bookworm/Dockerfile
+++ b/docker/devbox/bookworm/Dockerfile
@@ -1,19 +1,68 @@
-# Devbox image derived from the DevRunner base stack
+# Devbox all-in-one development environment derived from the DevRunner base stack
 ARG BASE_IMAGE=ghcr.io/chaitin/monkeycode-runner/base:bookworm
 FROM ${BASE_IMAGE}
 
 LABEL org.opencontainers.image.title="DevRunner Devbox" \
       org.opencontainers.image.source="https://github.com/chaitin/DevRunner" \
-      org.opencontainers.image.description="Devbox toolbox image for DevRunner stacks with common diagnostics"
+      org.opencontainers.image.description="All-in-one development environment with Go, Node.js, and Python"
 
 ARG DEBIAN_FRONTEND=noninteractive
+ARG GO_VERSION=1.25.6
+ARG NODE_VERSION=22.22.0
+
+ENV GOROOT=/usr/local/go \
+    GOPATH=/go \
+    GOCACHE=/go/cache \
+    PATH=/usr/local/go/bin:/go/bin:${PATH}
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
+        xz-utils \
         htop \
         iputils-ping \
         iproute2 \
         wget \
     && rm -rf /var/lib/apt/lists/*
 
+RUN set -eux; \
+    mkdir -p "${GOPATH}" "${GOCACHE}"; \
+    GO_ARCH="$(dpkg --print-architecture)"; \
+    case "${GO_ARCH}" in \
+        amd64) GO_ARCHIVE="linux-amd64"; GO_SHA256="f022b6aad78e362bcba9b0b94d09ad58c5a70c6ba3b7582905fababf5fe0181a" ;; \
+        arm64) GO_ARCHIVE="linux-arm64"; GO_SHA256="738ef87d79c34272424ccdf83302b7b0300b8b096ed443896089306117943dd5" ;; \
+        *) echo "Unsupported architecture: ${GO_ARCH}" >&2; exit 1 ;; \
+    esac; \
+    curl -fsSL "https://go.dev/dl/go${GO_VERSION}.${GO_ARCHIVE}.tar.gz" -o /tmp/go.tar.gz; \
+    echo "${GO_SHA256}  /tmp/go.tar.gz" | sha256sum -c -; \
+    tar -C /usr/local -xzf /tmp/go.tar.gz; \
+    rm /tmp/go.tar.gz; \
+    go install honnef.co/go/tools/cmd/staticcheck@latest; \
+    go install mvdan.cc/gofumpt@latest; \
+    go install github.com/swaggo/swag/cmd/swag@latest
+
+RUN set -eux; \
+    NODE_ARCH="$(dpkg --print-architecture)"; \
+    case "${NODE_ARCH}" in \
+        amd64) node_arch="x64"; NODE_SHA256="9aa8e9d2298ab68c600bd6fb86a6c13bce11a4eca1ba9b39d79fa021755d7c37" ;; \
+        arm64) node_arch="arm64"; NODE_SHA256="1bf1eb9ee63ffc4e5d324c0b9b62cf4a289f44332dfef9607cea1a0d9596ba6f" ;; \
+        *) echo "Unsupported architecture: ${NODE_ARCH}" >&2; exit 1 ;; \
+    esac; \
+    curl -fsSLO "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-${node_arch}.tar.xz"; \
+    curl -fsSLO "https://nodejs.org/dist/v${NODE_VERSION}/SHASUMS256.txt"; \
+    grep " node-v${NODE_VERSION}-linux-${node_arch}.tar.xz$" SHASUMS256.txt | sha256sum -c -; \
+    tar -xJf "node-v${NODE_VERSION}-linux-${node_arch}.tar.xz" -C /usr/local --strip-components=1; \
+    rm -f "node-v${NODE_VERSION}-linux-${node_arch}.tar.xz" SHASUMS256.txt; \
+    corepack enable
+
+ENV PIP_BREAK_SYSTEM_PACKAGES=1
+
+RUN pip3 install --no-cache-dir \
+    requests \
+    flask \
+    django \
+    beautifulsoup4 \
+    scrapy
+
+ENV NODE_VERSION=${NODE_VERSION}
+
 WORKDIR /workspace