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Code at the speed of thought

Cusp is the AI-native IDE. Agentic edits across your codebase, tab completions that finish your thought, and cloud agents that carry work from prompt to pull request.

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acme/checkout — Cusp

retry.tsqueue.ts
srcqueueretry.ts
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feat/queue-backoff
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Works with the stack you already ship

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The editor

An editor that thinks with you

Every surface of Cusp is built around one loop: describe the change, watch it happen, review it with confidence.

Agentic chat that edits across files

Point the agent at an outcome. It reads your codebase, plans the change, and lands coordinated edits across every file that needs to move.

queue/worker.ts+2 −1

const job = queue.take();

- await handler(job);

+ await withRetry(() => handler(job));

+ metrics.count('queue.retry');

ack(job);

Tab completions that finish your thought

Cusp Tab predicts your next edit from intent, not just the current line — multi-line, mid-refactor, in your own style.

function debounce(fn, wait = 150) {

let timer;

return (...args) => {

clearTimeout(timer);

timer = setTimeout(() => fn(...args), wait);

};

}

Tab to accept · Esc to dismiss

Reviews & checkpoints for every change

Every agent edit lands as a reviewable diff with an automatic checkpoint. Step back to any point in seconds — nothing is ever lost.

  1. Checkpoint 4 · tests green2m

    retry.ts · retry.test.ts

  2. Checkpoint 3 · extract withRetry9m
  3. Checkpoint 2 · wire queue worker14m
Restore any checkpoint

Workflow

From prompt to pull request

One continuous loop — no copy-pasting between tools, no losing the thread between the idea and the merge.

New agent task

acme/checkout

Add exponential backoff to the queue worker. Cap retries at 3 attempts with jitter, and cover the retry path with unit tests.

queue.tsretry.tsci-logs.txt
fable-5 · agent mode

Cloud agents

Work that keeps moving after you close the laptop

Kick off parallel tasks from GitHub issues, Slack threads, or Linear tickets. Agents run in isolated cloud workspaces and come back with diffs, logs, and artifacts.

TriggersGitHub issuesSlack threadsLinear ticketsCron schedules
RUNNING#r-2481

Fix flaky checkout e2e retries

acme/checkout

12 files · 00:4264%
FINISHED#r-2477

Upgrade design tokens to v4

acme/web

PR #481 opened100%
CREATING#r-2486

Nightly dependency audit

acme/api

queued from cron8%

Review speed

0.0×

faster review cycles with checkpoints

Tab share

0%

of merged code completed by Tab

Time to agent

<1s

from prompt to first agent run

Uptime

0.0%

across cloud agent infrastructure

“We stopped writing boilerplate entirely. The agent opens the PR and we just review it — our cycle time has never been shorter.”
Ana ReyesStaff Engineer, Northwind Labs

Your next pull request is one prompt away.

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