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Roy3838/Observer

Observer AI: Local Screen Monitoring With Triggered Notifications

Why observe computer if computer can observe for you

1,657 stars141 forksTypeScriptAGPL-3.0

At a glance

What is it?
Observer AI is a TypeScript application for building small agents that inspect screen, camera, clipboard, memory, and audio inputs, then call messaging or automation tools. Its local-model approach is intended for users who want screen-aware automation without sending observations to a remote model, although sensor permissions and optional integrations still determine where data travels.
Who is it for?
Observer AI fits users who want a recurring, screen-aware automation agent and are prepared to grant sensitive system permissions. It does not fit anyone who needs documented offline installation, deterministic alerts without model decisions, or guaranteed delivery across every notification channel.
Can I use it commercially?
Yes, with strict conditions. AGPL-3.0 is a network copyleft licence: if people use a modified version over a network, for example as a hosted service, you must offer them its source code under the same licence.
Is it still maintained?
Yes. The repository last received commits 3 days ago.
What is it written in?
Mainly TypeScript, according to GitHub's language statistics.

Answers come from the project's GitHub data, last synced on October 20, 2026, and from our analysis. They are not legal advice.

Editorial analysis

Observer AI's Screen-Aware Automation Scope

Observer AI addresses a specific automation problem: a person or service must watch changing input continuously, decide whether something has happened, and then perform an action. The README gives examples such as sending a message when a download finishes, sending email when a dashboard changes, logging when a dog finishes eating, or placing a phone call when a person appears on camera. This places Observer AI closer to a configurable event agent than to a conventional screen reader or a one-shot chatbot.

The intended users are people who want a private, recurring observation loop. Observer describes its architecture as “Sensors → Models → Tools,” with local LLMs between environmental input and the action that follows. A screen observation can therefore remain under the user's control while still requiring a multimodal model capable of interpreting an image. The repository is primarily TypeScript and includes `app/`, `api/`, `cli/`, and `docker/` directories, but the README does not explain how those components are deployed or connected.

The README states that Observer keeps data “100% private and secure.” That claim should be read narrowly. Local models can keep model inference local, yet Observer also offers clipboard, camera, microphone, screen audio, image memory, email, and external messaging integrations. Those features can move data or trigger external services. The documentation does not define the complete data path, retention policy, or network behavior for every tool, so a privacy review must examine the specific configuration rather than rely on the general statement.

Observer AI Sensors, Models, and Tool Dispatch

An Observer micro-agent is assembled from three parts: sensors supply prompt context, a small language model interprets that context, and tools perform effects. The README's base example instructs a model to watch a screenshot and return `OBSERVER` when it sees the Observer logo or `CONTINUE` otherwise. JavaScript code then checks whether the response includes `OBSERVER` and calls `sendEmail` with the response and captured screen.

The documented visual sensors include `$SCREEN` for screenshots, `$SCREEN_OCR` for extracted screen text, `$CAMERA` for camera images, and `$CAMERA_OCR` for text captured from the camera. This creates two distinct processing paths. Multimodal models can inspect image content directly, while OCR sensors reduce captured text to prompt text. OCR is not equivalent to visual reasoning: the README does not say that either sensor preserves the same information or that an OCR-based agent can recognize non-text objects.

State comes through `$MEMORY` or `$MEMORY@agent_id`, with optional agent IDs, while `$IMEMORY` exposes stored images and `$IMEMORY_OCR` extracts their text. Clipboard content is exposed as `$CLIPBOARD`. Audio inputs include `$MICROPHONE`, `$SCREEN_AUDIO`, and `$ALL_AUDIO`; the README says the marked audio sensors use a Whisper model with `transformers.js`. `$ALL_AUDIO` combines microphone and screen-audio transcription for meetings.

Tools cross the boundary from interpretation to action. Memory functions retrieve or modify state, `startAgent` and `stopAgent` control execution, and `time()` and `sleep(ms)` coordinate timing. Notification tools cover Discord, Telegram, email, Pushover, browser notifications, calls, WhatsApp, and SMS. Because the agent loop has a configured interval, repeated observations and external actions are part of the design, not incidental features. The README does not document retry behavior, idempotency, delivery receipts, or duplicate-notification prevention.

Creating the First Observer AI Micro-Agent

The README does not give a shell installation or CLI startup command. It points users to the hosted Agent Dashboard for creation and separately provides a link to the latest GitHub release. The repository contains a `cli/` directory, but the available documentation does not identify its commands or installation requirements, so an exact CLI procedure cannot be given.

For the first documented workflow, open the Agent Dashboard and select “Create New Agent.” In the “Configuration” tab, enter a name and description, choose a model, and set the loop interval. Next, provide a system prompt and enable the sensors required by that prompt. A first use can be based on the repository's logo-detection example, which emits `OBSERVER` or `CONTINUE` from screen input.

The documented system prompt is:

javascript
You are an Observer agent, watch the screen and if you see the Observer logo say OBSERVER, if you don't, say CONTINUE. 
$SCREEN

Observer's tool-dispatch example is:

javascript
if(response.includes("OBSERVER")){
  sendEmail("[email protected]", response, screen); //sends the screen as an attached image
}

The email address must be the signed-in email, according to the notification-tool documentation. This example also shows a meaningful privacy tradeoff: sending the screenshot as an attached image transfers visual content to the email path. A user testing the agent should confirm that screen permissions are granted, the chosen model supports multimodal input, and the expected notification destination is configured. The README does not describe the exact button or setting used to attach `sendEmail` to the agent, so that interface step cannot be reproduced from the available documentation.

Observer AI Notification Paths and Restrictions

Observer AI does not treat all notification channels as interchangeable. Discord delivery takes a `discord_webhook`, Telegram takes a `chat_id` and uses the Observer bot, and email uses the account signed into Observer. These approaches require different identifiers and trust relationships. A Discord webhook is a credential-like configuration value, while a Telegram `chat_id` identifies the destination conversation.

Other channels add explicit prerequisites. `sendPushover` requires a `user_token`. `call` and `sendWhatsapp` require whitelisting. SMS also requires whitelisting and, according to the README, is blocked for US and Canada under A2P policy. Browser notification support is exposed through `notify(title, options)`. The presence of an API in the interface does not mean every user or region can use it successfully.

This channel design is Observer's main departure from ordinary rule-based screen automation. A script that watches a known file path can use a deterministic condition and retry policy. Observer instead relies on a model response, then asks code or a tool to map that response to an effect. That approach can recognize visual events without a dedicated integration for every application, but it introduces model-dependent interpretation. The README gives no accuracy thresholds, latency figures, false-positive rates, or guarantees that a notification will arrive exactly once.

The practical limitation is especially clear for sensitive events. A missed detection can delay an alert, while a false match can send an image or message externally. Observer does not document confirmation policies for high-impact actions such as calls or WhatsApp messages. Users should avoid treating an unverified model label as sufficient authorization for consequential actions unless their implementation adds checks.

Observer AI Versus Deterministic Workflow Automation

The closest conventional alternative is a fixed workflow built around operating-system events, file-system changes, application APIs, or application-specific status pages. Such a workflow does not need to inspect every screenshot. If the goal is to notify someone when a known download folder receives a completed file, a file event can trigger the action directly. If a service exposes a job status API, polling that API is more deterministic than asking a model to recognize a dashboard state.

Observer AI takes a broader interpretation step. Its documented concept, “When X then Y,” lets the model evaluate unstructured input such as a screen image, camera view, dashboard, clipboard, or meeting transcription. That is useful when there is no stable API or event hook and the visual condition is difficult to express as a selector or text match. The cost is additional dependence on model interpretation, local model capabilities, sensor setup, and the correctness of the agent prompt.

The alternatives are not mutually exclusive. A deterministic job can detect completion, while Observer can handle less structured checks such as whether an image appears in a visual workflow. That hybrid avoids forcing one mechanism to cover every event. Observer also overlaps with browser notifications for simple local alerts, but its documented feature set extends beyond static browser rules through repeated sensor loops, memory, local models, and outbound messaging.

Observer's design becomes less suitable when the event must be formally proven, handled at a fixed low latency, or executed without any possibility of model interpretation. The README does not publish latency measurements or formal reliability claims, so those requirements cannot be assumed.

Observer AI Releases, Licensing, and Upgrade Work

The repository is not archived, and its last push was on 2026-10-15. Recent releases include Observer AI v3.1.0 on 2026-10-13, v3.0.6 on 2026-10-08, and v3.0.5 on 2026-10-06. This indicates recent project activity, but the README does not provide upgrade procedures, migration notes, compatibility matrices, or a list of breaking changes for those versions.

Observer is licensed under AGPL-3.0. For users, that license choice matters most when modifying or distributing the software and when offering the software over a network. This is not legal advice, and the applicable obligations depend on how the software is deployed and modified. The repository includes a `LICENSE` file, which is the controlling document for the project's terms. An organization planning to alter Observer or integrate it into a service should review that file rather than infer permissions from the open-source label alone.

Potential upgrade work is visible in the feature set even though the release notes are not included here. Audio sensors depend on a Whisper model through `transformers.js`; image and text sensors have different model requirements; and notification tools may depend on account approval, whitelisting, or regional policy. A local deployment may also require enough resources for selected multimodal or speech models, but the README gives no supported hardware matrix. The hosted web app may reduce initial setup effort, while a self-hosted evaluation cannot be planned precisely from the available installation documentation.

Editorial conclusion

Observer AI fits users who want a recurring, screen-aware automation agent and are prepared to grant sensitive system permissions. It does not fit anyone who needs documented offline installation, deterministic alerts without model decisions, or guaranteed delivery across every notification channel. Before adoption, verify local model requirements, sensor permissions, notification availability, and the privacy consequences of enabling clipboard, camera, microphone, screen audio, or memory access.

Frequently asked questions

Does Observer AI require a cloud model?

The documented architecture uses local LLMs, and the README says Observer uses local models. It also supports multiple external notification services, so local inference does not mean that every configured action remains local.

Which inputs can an Observer AI micro-agent monitor?

Documented inputs include screenshots, screen OCR, camera images, camera OCR, clipboard content, agent memory, image memory, and transcriptions from a microphone, screen audio, or combined audio.

Does Observer AI support SMS and WhatsApp notifications?

The README documents both `sendSms` and `sendWhatsapp`. They require whitelisting, and SMS is documented as blocked for users in the United States and Canada under A2P policy.

Official sources

  1. License: AGPL-3.0
  2. Project website
  3. README
  4. Releases
  5. Roy3838/Observer on GitHub
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