diff --git a/manifest.json b/manifest.json
index 3da939e5..02ea76b8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1085,7 +1085,7 @@
     "railway/amazonq": "implemented",
     "railway/cline": "implemented",
     "railway/gptme": "implemented",
-    "railway/opencode": "missing",
+    "railway/opencode": "implemented",
     "railway/plandex": "missing",
     "railway/kilocode": "implemented",
     "render/claude": "implemented",
diff --git a/railway/opencode.sh b/railway/opencode.sh
new file mode 100644
index 00000000..123601cd
--- /dev/null
+++ b/railway/opencode.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+set -eo pipefail
+
+# Source common functions - try local file first, fall back to remote
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd)"
+if [[ -f "$SCRIPT_DIR/lib/common.sh" ]]; then
+    source "$SCRIPT_DIR/lib/common.sh"
+else
+    eval "$(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/railway/lib/common.sh)"
+fi
+
+log_info "OpenCode on Railway"
+echo ""
+
+# 1. Ensure Railway CLI and token
+ensure_railway_cli
+ensure_railway_token
+
+# 2. Get project name and create service
+SERVER_NAME=$(get_server_name)
+create_server "$SERVER_NAME"
+
+# 3. Install base tools
+wait_for_cloud_init
+
+# 4. Install opencode
+log_warn "Installing OpenCode..."
+run_server "curl -fsSL https://raw.githubusercontent.com/opencode-ai/opencode/refs/heads/main/install | bash"
+log_info "OpenCode installed"
+
+# 5. Get OpenRouter API key
+echo ""
+if [[ -n "${OPENROUTER_API_KEY:-}" ]]; then
+    log_info "Using OpenRouter API key from environment"
+else
+    OPENROUTER_API_KEY=$(get_openrouter_api_key_oauth 5180)
+fi
+
+# 6. Inject environment variables into shell config
+log_warn "Setting up environment variables..."
+
+inject_env_vars \
+    "OPENROUTER_API_KEY=${OPENROUTER_API_KEY}" \
+    "PATH=\$HOME/.bun/bin:\$PATH"
+
+echo ""
+log_info "Railway service setup completed successfully!"
+log_info "Project: $SERVER_NAME"
+echo ""
+
+# 7. Start opencode interactively
+log_warn "Starting OpenCode..."
+sleep 1
+clear
+interactive_session "source ~/.bashrc && opencode"