diff --git a/app/src/components/intelligence/__tests__/ScreenIntelligenceDebugPanel.test.tsx b/app/src/components/intelligence/__tests__/ScreenIntelligenceDebugPanel.test.tsx
index fbe61d6ac..9d1c82c6a 100644
--- a/app/src/components/intelligence/__tests__/ScreenIntelligenceDebugPanel.test.tsx
+++ b/app/src/components/intelligence/__tests__/ScreenIntelligenceDebugPanel.test.tsx
@@ -74,6 +74,7 @@ const sampleStatus: AccessibilityStatus = {
     session_ttl_secs: 300,
     panic_stop_hotkey: 'Cmd+Shift+.',
     autocomplete_enabled: true,
+    keep_screenshots: false,
     allowlist: [],
     denylist: [],
   },
diff --git a/app/src/components/settings/panels/ScreenIntelligencePanel.tsx b/app/src/components/settings/panels/ScreenIntelligencePanel.tsx
index 686751c03..6d54619bb 100644
--- a/app/src/components/settings/panels/ScreenIntelligencePanel.tsx
+++ b/app/src/components/settings/panels/ScreenIntelligencePanel.tsx
@@ -71,6 +71,7 @@ const ScreenIntelligencePanel = () => {
     'all_except_blacklist'
   );
   const [baselineFps, setBaselineFps] = useState<string>('1');
+  const [keepScreenshots, setKeepScreenshots] = useState<boolean>(false);
   const [allowlistText, setAllowlistText] = useState('');
   const [denylistText, setDenylistText] = useState('');
   const [isSavingConfig, setIsSavingConfig] = useState(false);
@@ -104,6 +105,7 @@ const ScreenIntelligencePanel = () => {
       status.config.policy_mode === 'whitelist_only' ? 'whitelist_only' : 'all_except_blacklist'
     );
     setBaselineFps(String(status.config.baseline_fps ?? 1));
+    setKeepScreenshots(status.config.keep_screenshots ?? false);
     setAllowlistText((status.config.allowlist ?? []).join('\n'));
     setDenylistText((status.config.denylist ?? []).join('\n'));
   }, [status?.config]);
@@ -143,6 +145,7 @@ const ScreenIntelligencePanel = () => {
         enabled,
         policy_mode: policyMode,
         baseline_fps: Number.isFinite(fps) && fps > 0 ? fps : 1,
+        keep_screenshots: keepScreenshots,
         allowlist: allowlistText
           .split('\n')
           .map(v => v.trim())
@@ -279,6 +282,18 @@ const ScreenIntelligencePanel = () => {
             />
           </label>
 
+          <label className="flex items-center justify-between rounded-xl border border-stone-200 bg-stone-50 px-3 py-2">
+            <div>
+              <span className="text-sm text-stone-700">Keep Screenshots</span>
+              <p className="text-xs text-stone-400">Save captured screenshots to the workspace instead of deleting after processing</p>
+            </div>
+            <input
+              type="checkbox"
+              checked={keepScreenshots}
+              onChange={event => setKeepScreenshots(event.target.checked)}
+            />
+          </label>
+
           <div className="space-y-1">
             <div className="text-xs text-stone-600">Allowlist (one rule per line)</div>
             <textarea
diff --git a/app/src/components/settings/panels/__tests__/AccessibilityPanel.test.tsx b/app/src/components/settings/panels/__tests__/AccessibilityPanel.test.tsx
index 8ad4f5e92..fe180b958 100644
--- a/app/src/components/settings/panels/__tests__/AccessibilityPanel.test.tsx
+++ b/app/src/components/settings/panels/__tests__/AccessibilityPanel.test.tsx
@@ -46,6 +46,7 @@ const status: AccessibilityStatus = {
     session_ttl_secs: 300,
     panic_stop_hotkey: 'Cmd+Shift+.',
     autocomplete_enabled: true,
+    keep_screenshots: false,
     allowlist: [],
     denylist: ['wallet'],
   },
diff --git a/app/src/components/settings/panels/__tests__/ScreenIntelligencePanel.test.tsx b/app/src/components/settings/panels/__tests__/ScreenIntelligencePanel.test.tsx
index d4b664bda..e57176183 100644
--- a/app/src/components/settings/panels/__tests__/ScreenIntelligencePanel.test.tsx
+++ b/app/src/components/settings/panels/__tests__/ScreenIntelligencePanel.test.tsx
@@ -78,6 +78,7 @@ const baseStatus: AccessibilityStatus = {
     session_ttl_secs: 300,
     panic_stop_hotkey: 'Cmd+Shift+.',
     autocomplete_enabled: true,
+    keep_screenshots: false,
     allowlist: ['Code'],
     denylist: ['1Password'],
   },
@@ -188,6 +189,7 @@ describe('ScreenIntelligencePanel', () => {
       enabled: true,
       policy_mode: 'all_except_blacklist',
       baseline_fps: 1,
+      keep_screenshots: false,
       allowlist: ['Code'],
       denylist: ['1Password'],
     });
diff --git a/app/src/services/__tests__/coreRpcClient.test.ts b/app/src/services/__tests__/coreRpcClient.test.ts
index 81cfef84f..1a2b6290c 100644
--- a/app/src/services/__tests__/coreRpcClient.test.ts
+++ b/app/src/services/__tests__/coreRpcClient.test.ts
@@ -41,6 +41,7 @@ function sampleAccessibilityStatus(
       session_ttl_secs: 300,
       panic_stop_hotkey: 'Cmd+Shift+.',
       autocomplete_enabled: true,
+      keep_screenshots: false,
       allowlist: [],
       denylist: [],
     },
diff --git a/app/src/store/__tests__/accessibilitySlice.test.ts b/app/src/store/__tests__/accessibilitySlice.test.ts
index 4c559b8c1..561c4f041 100644
--- a/app/src/store/__tests__/accessibilitySlice.test.ts
+++ b/app/src/store/__tests__/accessibilitySlice.test.ts
@@ -45,6 +45,7 @@ const sampleStatus: AccessibilityStatus = {
     session_ttl_secs: 300,
     panic_stop_hotkey: 'Cmd+Shift+.',
     autocomplete_enabled: true,
+    keep_screenshots: false,
     allowlist: [],
     denylist: ['wallet'],
   },
diff --git a/app/src/utils/tauriCommands.ts b/app/src/utils/tauriCommands.ts
index ff76a434b..ec793513a 100644
--- a/app/src/utils/tauriCommands.ts
+++ b/app/src/utils/tauriCommands.ts
@@ -793,6 +793,7 @@ export interface AccessibilityConfig {
   session_ttl_secs: number;
   panic_stop_hotkey: string;
   autocomplete_enabled: boolean;
+  keep_screenshots: boolean;
   allowlist: string[];
   denylist: string[];
 }
@@ -1039,6 +1040,7 @@ export interface ScreenIntelligenceSettingsUpdate {
   baseline_fps?: number | null;
   vision_enabled?: boolean | null;
   autocomplete_enabled?: boolean | null;
+  keep_screenshots?: boolean | null;
   allowlist?: string[] | null;
   denylist?: string[] | null;
 }
diff --git a/src/core/cli.rs b/src/core/cli.rs
index 93eb4b3b8..77a079da0 100644
--- a/src/core/cli.rs
+++ b/src/core/cli.rs
@@ -55,6 +55,9 @@ pub fn run_from_cli_args(args: &[String]) -> Result<()> {
         "call" => run_call_command(&args[1..]),
         "repl" | "shell" => crate::core::repl::run_repl(&args[1..]),
         "skills" => crate::core::skills_cli::run_skills_command(&args[1..]),
+        "screen-intelligence" => {
+            crate::core::screen_intelligence_cli::run_screen_intelligence_command(&args[1..])
+        }
         namespace => run_namespace_command(namespace, &args[1..], &grouped),
     }
 }
diff --git a/src/core/mod.rs b/src/core/mod.rs
index faac40e85..7bf2b2937 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -8,6 +8,7 @@ pub mod jsonrpc;
 pub mod logging;
 pub mod repl;
 pub mod rpc_log;
+pub mod screen_intelligence_cli;
 pub mod skills_cli;
 pub mod socketio;
 pub mod types;
diff --git a/src/core/screen_intelligence_cli.rs b/src/core/screen_intelligence_cli.rs
new file mode 100644
index 000000000..7d23d90c7
--- /dev/null
+++ b/src/core/screen_intelligence_cli.rs
@@ -0,0 +1,511 @@
+//! `openhuman screen-intelligence` — standalone CLI for the screen intelligence loop.
+//!
+//! Boots **only** the screen intelligence engine (accessibility capture + local-AI
+//! vision) without the full desktop app, Socket.IO, or skills runtime.  Useful for
+//! testing the capture → save → vision-analysis pipeline from a terminal.
+//!
+//! Usage:
+//!   openhuman screen-intelligence run       [--port <u16>] [-v]
+//!   openhuman screen-intelligence status
+//!   openhuman screen-intelligence capture   [--keep]
+//!   openhuman screen-intelligence start     [--ttl <secs>] [-v]
+//!   openhuman screen-intelligence stop
+
+use anyhow::Result;
+use std::sync::Arc;
+
+/// Entry point for `openhuman screen-intelligence <subcommand>`.
+pub fn run_screen_intelligence_command(args: &[String]) -> Result<()> {
+    if args.is_empty() || is_help(&args[0]) {
+        print_help();
+        return Ok(());
+    }
+
+    match args[0].as_str() {
+        "run" => run_server(&args[1..]),
+        "status" => run_status(&args[1..]),
+        "capture" => run_capture(&args[1..]),
+        "start" => run_start_session(&args[1..]),
+        "stop" => run_stop_session(&args[1..]),
+        other => Err(anyhow::anyhow!(
+            "unknown screen-intelligence subcommand '{other}'. Run `openhuman screen-intelligence --help`."
+        )),
+    }
+}
+
+// ---------------------------------------------------------------------------
+// Shared helpers
+// ---------------------------------------------------------------------------
+
+struct CliOpts {
+    port: u16,
+    verbose: bool,
+    ttl_secs: u64,
+    keep: bool,
+}
+
+fn parse_opts(args: &[String]) -> Result<(CliOpts, Vec<String>)> {
+    let mut port: u16 = 7797;
+    let mut verbose = false;
+    let mut ttl_secs: u64 = 300;
+    let mut keep = false;
+    let mut rest = Vec::new();
+    let mut i = 0;
+
+    while i < args.len() {
+        match args[i].as_str() {
+            "--port" => {
+                let val = args
+                    .get(i + 1)
+                    .ok_or_else(|| anyhow::anyhow!("missing value for --port"))?;
+                port = val
+                    .parse()
+                    .map_err(|e| anyhow::anyhow!("invalid --port: {e}"))?;
+                i += 2;
+            }
+            "--ttl" => {
+                let val = args
+                    .get(i + 1)
+                    .ok_or_else(|| anyhow::anyhow!("missing value for --ttl"))?;
+                ttl_secs = val
+                    .parse()
+                    .map_err(|e| anyhow::anyhow!("invalid --ttl: {e}"))?;
+                i += 2;
+            }
+            "--keep" => {
+                keep = true;
+                i += 1;
+            }
+            "-v" | "--verbose" => {
+                verbose = true;
+                i += 1;
+            }
+            "-h" | "--help" => {
+                rest.push(args[i].clone());
+                i += 1;
+            }
+            _ => {
+                rest.push(args[i].clone());
+                i += 1;
+            }
+        }
+    }
+
+    Ok((
+        CliOpts {
+            port,
+            verbose,
+            ttl_secs,
+            keep,
+        },
+        rest,
+    ))
+}
+
+/// Bootstrap the screen intelligence engine with config.
+async fn bootstrap_engine(
+    verbose: bool,
+) -> Result<Arc<crate::openhuman::screen_intelligence::AccessibilityEngine>> {
+    use crate::openhuman::config::Config;
+    use crate::openhuman::screen_intelligence::global_engine;
+
+    let config = Config::load_or_init()
+        .await
+        .map_err(|e| anyhow::anyhow!("config load failed: {e}"))?;
+
+    let engine = global_engine();
+    let _ = engine
+        .apply_config(config.screen_intelligence.clone())
+        .await;
+
+    if verbose {
+        log::info!(
+            "[screen-intelligence-cli] engine initialized, enabled={}, vision={}, keep_screenshots={}, workspace={}",
+            config.screen_intelligence.enabled,
+            config.screen_intelligence.vision_enabled,
+            config.screen_intelligence.keep_screenshots,
+            config.workspace_dir.display(),
+        );
+    }
+
+    Ok(engine)
+}
+
+// ---------------------------------------------------------------------------
+// Subcommands
+// ---------------------------------------------------------------------------
+
+/// `openhuman screen-intelligence run` — start a minimal JSON-RPC server with the
+/// screen intelligence engine, useful for integration testing.
+fn run_server(args: &[String]) -> Result<()> {
+    let (opts, rest) = parse_opts(args)?;
+
+    if rest.iter().any(|a| is_help(a)) {
+        println!("Usage: openhuman screen-intelligence run [--port <u16>] [-v]");
+        println!();
+        println!("Start a lightweight JSON-RPC server exposing screen intelligence RPC methods.");
+        println!();
+        println!("  --port <u16>     Listen port (default: 7797)");
+        println!("  -v, --verbose    Enable debug logging");
+        return Ok(());
+    }
+
+    crate::core::logging::init_for_cli_run(opts.verbose);
+
+    let rt = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()?;
+
+    rt.block_on(async {
+        let _engine = bootstrap_engine(opts.verbose).await?;
+
+        let app = build_router();
+
+        let bind_addr = format!("127.0.0.1:{}", opts.port);
+        let listener = tokio::net::TcpListener::bind(&bind_addr).await?;
+
+        log::info!(
+            "[screen-intelligence-cli] ready — http://{bind_addr}/rpc (JSON-RPC 2.0)"
+        );
+
+        eprintln!();
+        eprintln!("  Screen intelligence dev server listening on http://{bind_addr}");
+        eprintln!("  JSON-RPC endpoint: POST http://{bind_addr}/rpc");
+        eprintln!("  Health check:      GET  http://{bind_addr}/health");
+        eprintln!("  Press Ctrl+C to stop.");
+        eprintln!();
+
+        axum::serve(listener, app).await?;
+        Ok(())
+    })
+}
+
+/// `openhuman screen-intelligence status` — print current engine status as JSON.
+fn run_status(args: &[String]) -> Result<()> {
+    if args.iter().any(|a| is_help(a)) {
+        println!("Usage: openhuman screen-intelligence status [-v]");
+        println!();
+        println!("Print current screen intelligence engine status (permissions, session, config).");
+        return Ok(());
+    }
+
+    let (opts, _) = parse_opts(args)?;
+    init_quiet_logging(opts.verbose);
+
+    let rt = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()?;
+
+    rt.block_on(async {
+        let engine = bootstrap_engine(opts.verbose).await?;
+        let status = engine.status().await;
+        println!(
+            "{}",
+            serde_json::to_string_pretty(&status).unwrap_or_else(|_| format!("{:?}", status))
+        );
+        Ok(())
+    })
+}
+
+/// `openhuman screen-intelligence capture` — take a single screenshot and print info.
+fn run_capture(args: &[String]) -> Result<()> {
+    if args.iter().any(|a| is_help(a)) {
+        println!("Usage: openhuman screen-intelligence capture [--keep] [-v]");
+        println!();
+        println!("Take a single screenshot, optionally save to workspace, and print diagnostics.");
+        println!();
+        println!("  --keep           Save the screenshot to {{workspace}}/screenshots/");
+        println!("  -v, --verbose    Enable debug logging");
+        return Ok(());
+    }
+
+    let (opts, _) = parse_opts(args)?;
+    init_quiet_logging(opts.verbose);
+
+    let rt = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()?;
+
+    rt.block_on(async {
+        let engine = bootstrap_engine(opts.verbose).await?;
+        let result = engine.capture_test().await;
+
+        if result.ok {
+            eprintln!("  Capture: OK");
+            eprintln!("  Mode:    {}", result.capture_mode);
+            eprintln!("  Timing:  {}ms", result.timing_ms);
+            if let Some(bytes) = result.bytes_estimate {
+                eprintln!("  Size:    {} bytes", bytes);
+            }
+            if let Some(ctx) = &result.context {
+                eprintln!(
+                    "  App:     {}",
+                    ctx.app_name.as_deref().unwrap_or("unknown")
+                );
+                eprintln!(
+                    "  Window:  {}",
+                    ctx.window_title.as_deref().unwrap_or("unknown")
+                );
+            }
+
+            // Save to disk if --keep
+            if opts.keep {
+                if let Some(image_ref) = &result.image_ref {
+                    let config = crate::openhuman::config::Config::load_or_init()
+                        .await
+                        .map_err(|e| anyhow::anyhow!("config load failed: {e}"))?;
+
+                    let frame = crate::openhuman::screen_intelligence::CaptureFrame {
+                        captured_at_ms: chrono::Utc::now().timestamp_millis(),
+                        reason: "cli_capture".to_string(),
+                        app_name: result
+                            .context
+                            .as_ref()
+                            .and_then(|c| c.app_name.clone()),
+                        window_title: result
+                            .context
+                            .as_ref()
+                            .and_then(|c| c.window_title.clone()),
+                        image_ref: Some(image_ref.clone()),
+                    };
+
+                    match crate::openhuman::screen_intelligence::AccessibilityEngine::save_screenshot_to_disk(
+                        &config.workspace_dir,
+                        &frame,
+                    ) {
+                        Ok(path) => {
+                            eprintln!("  Saved:   {}", path.display());
+                        }
+                        Err(e) => {
+                            eprintln!("  Save failed: {e}");
+                        }
+                    }
+                }
+            }
+        } else {
+            eprintln!("  Capture: FAILED");
+            if let Some(err) = &result.error {
+                eprintln!("  Error:   {err}");
+            }
+            std::process::exit(1);
+        }
+
+        // Also print as JSON for machine-readable output.
+        let mut json_result = serde_json::to_value(&result).unwrap_or_default();
+        // Strip image_ref from JSON output (too large for terminal).
+        if let Some(obj) = json_result.as_object_mut() {
+            obj.remove("image_ref");
+        }
+        println!(
+            "{}",
+            serde_json::to_string_pretty(&json_result).unwrap_or_default()
+        );
+        Ok(())
+    })
+}
+
+/// `openhuman screen-intelligence start` — start a capture + vision session.
+fn run_start_session(args: &[String]) -> Result<()> {
+    if args.iter().any(|a| is_help(a)) {
+        println!("Usage: openhuman screen-intelligence start [--ttl <secs>] [-v]");
+        println!();
+        println!("Start a screen intelligence capture session with vision analysis.");
+        println!("The session runs until TTL expires or Ctrl+C is pressed.");
+        println!();
+        println!("  --ttl <secs>     Session duration (default: 300, max: 3600)");
+        println!("  -v, --verbose    Enable debug logging");
+        return Ok(());
+    }
+
+    let (opts, _) = parse_opts(args)?;
+    crate::core::logging::init_for_cli_run(opts.verbose);
+
+    let rt = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()?;
+
+    rt.block_on(async {
+        let engine = bootstrap_engine(opts.verbose).await?;
+
+        let params = crate::openhuman::screen_intelligence::StartSessionParams {
+            consent: true,
+            ttl_secs: Some(opts.ttl_secs),
+            screen_monitoring: Some(true),
+            device_control: Some(false),
+            predictive_input: Some(false),
+        };
+
+        match engine.start_session(params).await {
+            Ok(session) => {
+                eprintln!("  Session started!");
+                eprintln!("  TTL:           {}s", session.ttl_secs);
+                eprintln!("  Vision:        {}", session.vision_enabled);
+                eprintln!("  Panic hotkey:  {}", session.panic_hotkey);
+                eprintln!();
+                eprintln!("  Capturing screenshots and running vision analysis...");
+                eprintln!("  Press Ctrl+C to stop.");
+                eprintln!();
+
+                // Print periodic status updates until the session ends.
+                let mut tick = tokio::time::interval(std::time::Duration::from_secs(5));
+                loop {
+                    tick.tick().await;
+                    let status = engine.status().await;
+                    if !status.session.active {
+                        eprintln!(
+                            "\n  Session ended: {}",
+                            status.session.stop_reason.unwrap_or_else(|| "unknown".into())
+                        );
+                        break;
+                    }
+                    eprintln!(
+                        "  [{}] captures={} vision={} queue={} last_app={:?}",
+                        chrono::Utc::now().format("%H:%M:%S"),
+                        status.session.capture_count,
+                        status.session.vision_state,
+                        status.session.vision_queue_depth,
+                        status.session.last_context.as_deref().unwrap_or("-"),
+                    );
+                    if let Some(summary) = &status.session.last_vision_summary {
+                        let truncated = if summary.len() > 100 {
+                            format!("{}…", &summary[..100])
+                        } else {
+                            summary.clone()
+                        };
+                        eprintln!("           notes: {truncated}");
+                    }
+                }
+            }
+            Err(e) => {
+                eprintln!("  Failed to start session: {e}");
+                std::process::exit(1);
+            }
+        }
+        Ok(())
+    })
+}
+
+/// `openhuman screen-intelligence stop` — stop an active session.
+fn run_stop_session(args: &[String]) -> Result<()> {
+    if args.iter().any(|a| is_help(a)) {
+        println!("Usage: openhuman screen-intelligence stop [-v]");
+        println!();
+        println!("Stop the active screen intelligence session.");
+        return Ok(());
+    }
+
+    let (opts, _) = parse_opts(args)?;
+    init_quiet_logging(opts.verbose);
+
+    let rt = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()?;
+
+    rt.block_on(async {
+        let engine = bootstrap_engine(opts.verbose).await?;
+        let session = engine.stop_session(Some("cli_stop".to_string())).await;
+        eprintln!(
+            "  Session stopped: {}",
+            session
+                .stop_reason
+                .unwrap_or_else(|| "no active session".into())
+        );
+        Ok(())
+    })
+}
+
+// ---------------------------------------------------------------------------
+// Minimal HTTP router
+// ---------------------------------------------------------------------------
+
+fn build_router() -> axum::Router {
+    use axum::routing::{get, post};
+
+    axum::Router::new()
+        .route("/health", get(health))
+        .route("/rpc", post(rpc))
+        .route("/status", get(status_endpoint))
+}
+
+async fn health() -> impl axum::response::IntoResponse {
+    axum::Json(serde_json::json!({ "ok": true, "mode": "screen-intelligence-dev" }))
+}
+
+async fn rpc(
+    axum::Json(req): axum::Json<crate::core::types::RpcRequest>,
+) -> axum::response::Response {
+    use crate::core::types::{RpcError, RpcFailure, RpcSuccess};
+    use axum::response::IntoResponse;
+
+    let id = req.id.clone();
+    let state = crate::core::jsonrpc::default_state();
+
+    match crate::core::jsonrpc::invoke_method(state, req.method.as_str(), req.params).await {
+        Ok(value) => (
+            axum::http::StatusCode::OK,
+            axum::Json(RpcSuccess {
+                jsonrpc: "2.0",
+                id,
+                result: value,
+            }),
+        )
+            .into_response(),
+        Err(message) => (
+            axum::http::StatusCode::OK,
+            axum::Json(RpcFailure {
+                jsonrpc: "2.0",
+                id,
+                error: RpcError {
+                    code: -32000,
+                    message,
+                    data: None,
+                },
+            }),
+        )
+            .into_response(),
+    }
+}
+
+async fn status_endpoint() -> impl axum::response::IntoResponse {
+    let engine = crate::openhuman::screen_intelligence::global_engine();
+    let status = engine.status().await;
+    axum::Json(serde_json::to_value(&status).unwrap_or_default())
+}
+
+// ---------------------------------------------------------------------------
+// Helpers
+// ---------------------------------------------------------------------------
+
+fn init_quiet_logging(verbose: bool) {
+    if !verbose && std::env::var_os("RUST_LOG").is_none() {
+        std::env::set_var("RUST_LOG", "warn");
+    }
+    crate::core::logging::init_for_cli_run(verbose);
+}
+
+fn is_help(value: &str) -> bool {
+    matches!(value, "-h" | "--help" | "help")
+}
+
+fn print_help() {
+    println!("openhuman screen-intelligence — screen intelligence runtime\n");
+    println!("Usage:");
+    println!("  openhuman screen-intelligence run       [--port <u16>] [-v]");
+    println!("  openhuman screen-intelligence status     [-v]");
+    println!("  openhuman screen-intelligence capture    [--keep] [-v]");
+    println!("  openhuman screen-intelligence start      [--ttl <secs>] [-v]");
+    println!("  openhuman screen-intelligence stop       [-v]");
+    println!();
+    println!("Subcommands:");
+    println!("  run       Start a lightweight JSON-RPC server with screen intelligence");
+    println!("  status    Print current engine status (permissions, session, config)");
+    println!("  capture   Take a single screenshot and print diagnostics");
+    println!("  start     Start a capture + vision session (runs until TTL or Ctrl+C)");
+    println!("  stop      Stop the active session");
+    println!();
+    println!("Common options:");
+    println!("  --port <u16>     Server port for 'run' (default: 7797)");
+    println!("  --ttl <secs>     Session TTL for 'start' (default: 300)");
+    println!("  --keep           Save screenshot to disk (for 'capture')");
+    println!("  -v, --verbose    Enable debug logging");
+}
diff --git a/src/openhuman/config/ops.rs b/src/openhuman/config/ops.rs
index 794cd3136..d34bd4c7b 100644
--- a/src/openhuman/config/ops.rs
+++ b/src/openhuman/config/ops.rs
@@ -164,6 +164,7 @@ pub struct ScreenIntelligenceSettingsPatch {
     pub baseline_fps: Option<f32>,
     pub vision_enabled: Option<bool>,
     pub autocomplete_enabled: Option<bool>,
+    pub keep_screenshots: Option<bool>,
     pub allowlist: Option<Vec<String>>,
     pub denylist: Option<Vec<String>>,
 }
@@ -281,6 +282,9 @@ pub async fn apply_screen_intelligence_settings(
     if let Some(autocomplete_enabled) = update.autocomplete_enabled {
         config.screen_intelligence.autocomplete_enabled = autocomplete_enabled;
     }
+    if let Some(keep_screenshots) = update.keep_screenshots {
+        config.screen_intelligence.keep_screenshots = keep_screenshots;
+    }
     if let Some(allowlist) = update.allowlist {
         config.screen_intelligence.allowlist = allowlist;
     }
diff --git a/src/openhuman/config/schema/accessibility.rs b/src/openhuman/config/schema/accessibility.rs
index 367c7c274..f050b32a6 100644
--- a/src/openhuman/config/schema/accessibility.rs
+++ b/src/openhuman/config/schema/accessibility.rs
@@ -19,6 +19,10 @@ pub struct ScreenIntelligenceConfig {
     pub panic_stop_hotkey: String,
     #[serde(default = "default_autocomplete_enabled")]
     pub autocomplete_enabled: bool,
+    /// When `true`, captured screenshots are saved to `{workspace_dir}/screenshots/`
+    /// instead of being discarded after vision processing. Default: `false`.
+    #[serde(default)]
+    pub keep_screenshots: bool,
     #[serde(default)]
     pub allowlist: Vec<String>,
     #[serde(default)]
@@ -68,6 +72,7 @@ impl Default for ScreenIntelligenceConfig {
             session_ttl_secs: default_session_ttl_secs(),
             panic_stop_hotkey: default_panic_stop_hotkey(),
             autocomplete_enabled: default_autocomplete_enabled(),
+            keep_screenshots: false,
             allowlist: vec![],
             denylist: vec![
                 "1password".to_string(),
diff --git a/src/openhuman/config/schemas.rs b/src/openhuman/config/schemas.rs
index d98eb6d36..5eb93d2e7 100644
--- a/src/openhuman/config/schemas.rs
+++ b/src/openhuman/config/schemas.rs
@@ -45,6 +45,7 @@ struct ScreenIntelligenceSettingsUpdate {
     baseline_fps: Option<f32>,
     vision_enabled: Option<bool>,
     autocomplete_enabled: Option<bool>,
+    keep_screenshots: Option<bool>,
     allowlist: Option<Vec<String>>,
     denylist: Option<Vec<String>>,
 }
@@ -240,6 +241,7 @@ pub fn schemas(function: &str) -> ControllerSchema {
                 },
                 optional_bool("vision_enabled", "Enable vision analysis."),
                 optional_bool("autocomplete_enabled", "Enable autocomplete integration."),
+                optional_bool("keep_screenshots", "Keep screenshots on disk after vision processing."),
                 FieldSchema {
                     name: "allowlist",
                     ty: TypeSchema::Option(Box::new(TypeSchema::Array(Box::new(
@@ -481,6 +483,7 @@ fn handle_update_screen_intelligence_settings(params: Map<String, Value>) -> Con
             baseline_fps: update.baseline_fps,
             vision_enabled: update.vision_enabled,
             autocomplete_enabled: update.autocomplete_enabled,
+            keep_screenshots: update.keep_screenshots,
             allowlist: update.allowlist,
             denylist: update.denylist,
         };
diff --git a/src/openhuman/screen_intelligence/engine.rs b/src/openhuman/screen_intelligence/engine.rs
index 2a129170f..f8923cd88 100644
--- a/src/openhuman/screen_intelligence/engine.rs
+++ b/src/openhuman/screen_intelligence/engine.rs
@@ -2,6 +2,7 @@ use crate::openhuman::config::{Config, ScreenIntelligenceConfig};
 use crate::openhuman::local_ai;
 use once_cell::sync::Lazy;
 use std::collections::VecDeque;
+use std::path::PathBuf;
 use std::sync::Arc;
 use tokio::sync::Mutex;
 use tokio::task::JoinHandle;
@@ -832,6 +833,54 @@ impl AccessibilityEngine {
         }
     }
 
+    /// Save a screenshot PNG to `{workspace_dir}/screenshots/{timestamp}_{app}.png`.
+    /// Returns the file path on success.
+    pub fn save_screenshot_to_disk(
+        workspace_dir: &std::path::Path,
+        frame: &CaptureFrame,
+    ) -> Result<PathBuf, String> {
+        use base64::{engine::general_purpose::STANDARD as B64, Engine};
+
+        let image_ref = frame
+            .image_ref
+            .as_deref()
+            .ok_or_else(|| "frame has no image payload".to_string())?;
+
+        let b64_payload = if let Some(pos) = image_ref.find(";base64,") {
+            &image_ref[pos + 8..]
+        } else {
+            image_ref
+        };
+
+        let raw_bytes = B64
+            .decode(b64_payload)
+            .map_err(|e| format!("base64 decode for screenshot save failed: {e}"))?;
+
+        let screenshots_dir = workspace_dir.join("screenshots");
+        std::fs::create_dir_all(&screenshots_dir)
+            .map_err(|e| format!("failed to create screenshots dir: {e}"))?;
+
+        let app_slug = frame
+            .app_name
+            .as_deref()
+            .unwrap_or("unknown")
+            .chars()
+            .map(|c| if c.is_alphanumeric() || c == '-' { c } else { '_' })
+            .collect::<String>();
+        let filename = format!("{}_{}.png", frame.captured_at_ms, app_slug);
+        let file_path = screenshots_dir.join(&filename);
+
+        std::fs::write(&file_path, &raw_bytes)
+            .map_err(|e| format!("failed to write screenshot {filename}: {e}"))?;
+
+        tracing::debug!(
+            "[screen_intelligence] screenshot saved: {} ({} bytes)",
+            file_path.display(),
+            raw_bytes.len()
+        );
+        Ok(file_path)
+    }
+
     async fn run_vision_worker(
         self: Arc<Self>,
         mut rx: tokio::sync::mpsc::UnboundedReceiver<CaptureFrame>,
@@ -844,6 +893,32 @@ impl AccessibilityEngine {
                 frame.app_name,
                 frame.reason
             );
+
+            // Read config for keep_screenshots and workspace_dir.
+            let (keep_screenshots, workspace_dir) = match Config::load_or_init().await {
+                Ok(cfg) => (
+                    cfg.screen_intelligence.keep_screenshots,
+                    cfg.workspace_dir.clone(),
+                ),
+                Err(_) => (false, PathBuf::from(".")),
+            };
+
+            // Save screenshot to disk (always — we need it on disk for the workspace).
+            // If keep_screenshots is false, we delete after vision processing.
+            let saved_path = if frame.image_ref.is_some() {
+                match Self::save_screenshot_to_disk(&workspace_dir, &frame) {
+                    Ok(path) => Some(path),
+                    Err(err) => {
+                        tracing::debug!(
+                            "[screen_intelligence] screenshot save failed (non-fatal): {err}"
+                        );
+                        None
+                    }
+                }
+            } else {
+                None
+            };
+
             {
                 let mut state = self.inner.lock().await;
                 if let Some(session) = state.session.as_mut() {
@@ -856,6 +931,18 @@ impl AccessibilityEngine {
 
             let result = self.analyze_frame_with_vision(frame).await;
 
+            // Clean up screenshot file if keep_screenshots is false.
+            if !keep_screenshots {
+                if let Some(path) = saved_path {
+                    if let Err(err) = std::fs::remove_file(&path) {
+                        tracing::trace!(
+                            "[screen_intelligence] failed to remove temp screenshot {}: {err}",
+                            path.display()
+                        );
+                    }
+                }
+            }
+
             let mut state = self.inner.lock().await;
             let Some(session) = state.session.as_mut() else {
                 break;