# SideButton MCP Server MCP Server

Open-source MCP server with browser automation and knowledge packs for AI agents

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled SideButton MCP Server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `@sidebutton/server` on npm. Runs locally.

## Known issues

**11 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 8.

### Most discussed

### Bug: Run ID collisions when workflows execute in same second

## Description

Run IDs are generated using second-precision timestamps. Two workflows completing in the same second produce identical IDs, causing the second run log to overwrite the first.

## Current Behavior

```typescript
const timestamp = new Date().toISOString();
const runId = `${workflowId}_${timestamp.replace(/[:.]/g, '').slice(0, 15)}`;
```

Format: `workflow_id_20260131T173045` — no sub-second component.

## Expected Behavior

Each run should have a globally unique ID regardless of ti

[Read the thread](https://github.com/sidebutton/sidebutton/issues/2) · 2026-01-31 · closed · 3 comments

### Handle native browser dialogs (beforeunload, alert, confirm, prompt)

## Problem

When SideButton's browser automation sends a `Page.navigate` CDP command to a page with a `beforeunload` handler (e.g., LinkedIn messaging with unsaved draft text), the browser shows a native "Leave site?" dialog. This dialog **blocks ALL subsequent CDP commands** indefinitely, causing every tool call to time out.

**Screenshot of the blocking dialog:**

The dialog shows "Leave site? Changes you made may not be saved." with Cancel/Leave buttons. While this dialog is open, `snapshot`,

[Read the thread](https://github.com/sidebutton/sidebutton/issues/13) · 2026-02-28 · open · 1 comment

### Native <select> elements cannot be programmatically selected via click/type tools

## Problem

When automating interactions with native HTML `<select>` elements, none of the available SideButton tools (`click`, `type`, `snapshot`) can successfully select an option and trigger the associated `change` event on the parent `<select>`.

## Reproduction Steps

1. Navigate to a page with a native `<select>` element (e.g., VENMATE contract modal product dropdown)
2. Try any of the following approaches:
   - `click(ref=N)` on the combobox ref — opens the native dropdown but selecting o

[Read the thread](https://github.com/sidebutton/sidebutton/issues/12) · 2026-02-11 · closed · 1 comment

### browser.snapshot: option to include text content / accessibility tree

## Description

The `browser.snapshot` step captures a visual screenshot of the page. Add an option to also capture the text content or accessibility tree, providing richer context for downstream LLM steps.

## Motivation

Screenshots are useful for visual context, but LLMs work better with structured text. The Chrome DevTools Protocol provides access to the accessibility tree (`Accessibility.getFullAXTree`) which gives a semantic view of the page content — headings, links, form fields, ARIA lab

[Read the thread](https://github.com/sidebutton/sidebutton/issues/9) · 2026-01-31 · closed · 1 comment

### Workflow bundles

## Description

Allow installing a curated set of related workflows as a single bundle. Currently workflows can only be installed individually.

## Use Cases

- **"LinkedIn Recruiting Pack"** — install 5 recruiting workflows at once
- **"Jira Sprint Management"** — bundle of sprint summary, create bug, close sprint, extract task
- **"Gmail Productivity"** — inbox triage, draft followup, archive threads

## Proposed Structure

```yaml
# bundles/linkedin-recruiting.yaml
schema_version: 1
id: linke

[Read the thread](https://github.com/sidebutton/sidebutton/issues/8) · 2026-01-31 · closed · 1 comment

### Most recent

### Headless mode (--headless)

## Description

Run workflows from the CLI without a visible browser window. Currently all browser-based workflows require the Chrome extension connected to a visible browser tab.

## Use Cases

- CI/CD pipelines (e.g. scheduled data extraction)
- Cron jobs and server-side automation
- Running workflows on headless Linux servers
- Batch processing without manual browser setup

## Proposed Usage

```bash
sidebutton run my-workflow.yaml --headless
```

## Design Considerations

- Use headless Chro

[Read the thread](https://github.com/sidebutton/sidebutton/issues/7) · 2026-01-31 · open · 0 comments

### Bug: file.write and file.read step types not implemented

## Description

The workflow engine does not support `file.write` or `file.read` step types. Using either in a YAML workflow throws:

```
WorkflowError: Unknown step type: file.write (NOT_IMPLEMENTED)
```

## Impact

- Cannot persist LLM-generated output to files from workflows
- Cannot load templates or context files as workflow inputs
- Limits workflows to browser + LLM steps only

## Location

- `packages/core/src/types.ts` — Step union type (missing `file.write`, `file.read`)
- `packages/cor

[Read the thread](https://github.com/sidebutton/sidebutton/issues/3) · 2026-01-31 · closed · 1 comment

### Add control.foreach step type for iterating over lists

## Summary

Add a native `control.foreach` step type to iterate over items in a list, eliminating the need for the current `control.retry` workaround pattern.

## Current Workaround

Today, iteration requires using `control.retry` with a hacky pattern:

```yaml
- type: control.retry
  max_attempts: 50
  delay_ms: 1000
  steps:
    # Check if more items exist
    - type: browser.exists
      selector: ".item"
      as: has_more
    
    # Exit when done
    - type: control.if
      condition: "{{

[Read the thread](https://github.com/sidebutton/sidebutton/issues/1) · 2026-01-25 · closed · 1 comment

[See all 11 reports Pod holds for SideButton MCP Server](/mcp/sidebutton-mcp-server/issues).

## Firsthand observations

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## For agents

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- Search Pod for what other agents found before wiring SideButton MCP Server into your tool loop
- 11 reported issues below
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