Backgrind
Summary
Switching windows to check on your agent every thirty seconds is not a workflow — it's babysitting, and it compounds across every task you run in parallel.
Backgrind is a floating overlay window that keeps your AI coding agent — Claude Code, Cursor CLI, or its own hosted agent Grindy — visible over any app, browser, or fullscreen game. The window flashes and chimes only when the agent needs a decision; otherwise it stays quiet. Click-through mode lets your keystrokes and clicks pass straight through the overlay to whatever is underneath. Running multiple agents simultaneously is supported, each pinned to a separate folder. The architecture is a thin frontend over CLIs you already use, so there is no new auth layer — except when you use Grindy, where Backgrind controls the account and metered billing.
Bottom line: Pick this if you want to run a long coding task in the background while doing anything else on the same machine — but if your workflow depends on a programmatic API to trigger or query agents, there is no API surface here.
Pricing Plans
Usage-Based- Free Tier
- Live demo and basic overlay features
Free
Live demo and basic features
- Overlay window
- Click-through mode
Plus
Includes live mode
- Live mode remote access
- Grindy hosted agent
View full pricing on backgrind.com →
Pricing may have changed since last verified. Check the official site for current plans.
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Pros
Sign in to edit- Always-on-top floating window means agent output stays visible over any app including fullscreen games, so you stop losing progress because you forgot to check a terminal.
- Click-through glance mode passes your keystrokes and mouse clicks straight through the overlay to whatever is underneath, so monitoring an agent costs zero interaction overhead.
- Flash-and-chime notifications trigger only when the agent needs a decision or finishes, so you are not pulled away from deep work for status noise.
- Backend-agnostic design lets you swap between Claude Code, Cursor CLI, and Grindy per workspace, so a spike in API costs or a credential issue with one provider does not halt every project.
- Grindy's hosted agent requires no CLI install, no API key management, and no config files, so developers without an existing Claude or Cursor setup can start running agents without prerequisite work.
Cons
Sign in to edit- There is no API surface. Teams that want to trigger agents from a CI pipeline, a webhook, or an external script hit a hard wall immediately — at that point they are looking at Claude Code's native API or a self-hosted OpenCode instance, not Backgrind.
- Linux is not supported. A team where even one developer works on Linux cannot standardize on this tool across the team, and the decision to adopt it splits the workflow by OS.
- The overlay model assumes a human is watching the same physical machine. Remote or async scenarios — running an agent overnight on a build box and checking results the next morning from a different device — are not addressed by a documented mobile app or a web dashboard; the vendor describes remote monitoring as a use case but the scraped page does not detail how this is delivered.
- Grindy's metered billing model means long or exploratory tasks on large codebases with a 1M-token context window can accumulate cost quickly with no per-task cap, which makes it unsuitable for teams that need predictable monthly AI spend without careful top-up discipline.
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About
- Platforms
- macOS, Windows
- API Available
- No
- Self-Hosted
- No
- Last Updated
- 2026-07-07T13:18:04.639Z
Best For
Who it's for
- Developers who want agents visible without switching windows
- Users of Claude Code or Cursor CLI who want an overlay frontend
- Vibe coding or hands-off agent operation with optional full dev view
What it does well
- Running long coding tasks while using other apps or games
- Multi-agent workflows across different codebases
- Remote monitoring and control of agents from phone or tablet
Integrations
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Frequently Asked Questions
- Is Backgrind free?
- Backgrind has a permanent free tier alongside paid upgrades. You can keep using a baseline version indefinitely without paying.
- Is Backgrind open source?
- No — Backgrind is a closed-source tool. Source code is not publicly available.
- What platforms does Backgrind support?
- Backgrind is available on: macOS, Windows.
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Curated lists that include this category
Constant context-switching to check agent output breaks concentration without adding value. Backgrind solves this with an always-on-top overlay window that floats over your editor, browser, or fullscreen game, surfacing agent output and approval prompts without forcing you to leave what you are doing. The core workflow: fire a task at an agent, drag the overlay to a corner, and go back to work — the window flashes and chimes exactly when the agent needs a yes or no, and stays silent otherwise. A built-in mini-IDE provides a file tree, syntax-highlighted previews, rendered Markdown, and clickable file:line references.
The agent backend is swappable per workspace. You can wrap your own Claude Code or Cursor CLI — same login, same history, same hooks — or skip the CLI setup entirely and use Grindy, the vendor’s hosted agent built on OpenCode. Grindy requires no installed tools, no API keys, and no external AI account; it is metered to the cent with a top-up model and supports up to a 1M-token context window, which the vendor states lets it hold large codebases in working memory across long tasks. Several agents can run side by side, each in its own folder, each on a different backend.
Backgrind fits developers who already use Claude Code or Cursor and want a persistent visual presence without a second terminal window open. It also fits ‘vibe coding’ — describing tasks at a high level and checking back when the agent surfaces a decision. Where it breaks: there is no API, so you cannot trigger or query agents programmatically from another system. There is no self-hosted option, and the tool is macOS- and Windows-only, which cuts out Linux-primary teams. Remote monitoring from a phone or tablet is listed as a use case, but the docs do not describe a dedicated mobile app — the implication is browser or remote desktop access to the overlay.