I Burn Through a Billion Tokens a Month in Cursor. Here Is How I Cut My Credit Spend by 80 Percent
I am a heavy Cursor user. Every month I burn well over a billion tokens building apps and refactoring big codebases. For a while I accepted the cost. Premium models are excellent. Then the bill hit and I got serious about fixing it.
Most people get three things wrong.
First, they know Auto mode is basically free and unlimited but they avoid it because they think it is dumb.
Second, they stay on premium the whole time and never realize the model will not auto-delegate routine work to cheaper tiers.
Third, even the advanced users who set up tech-lead dispatch to fast subagents are still missing the biggest savings hack. They route everything to fast instead of letting Auto handle the sequential stuff that does not need parallelism.
The truth is simple. The tech-lead dispatch hack alone is massive. Eighty percent of users are not even doing that yet. It already saves a ton. Add the Auto handoff on top and you get the full 80 percent credit reduction I am seeing.
If you only care about speed and not dollar savings, just use the tech-lead dispatch to fast. Both together give maximum savings.
The Rule (one mdc file) That Fixed It for Me
I built one always-on rule called the Tech Lead Dispatch Protocol. It forces the premium model to act like a real tech lead: plan first, do only the high-judgment work, then hand off everything else to the cheapest tier that can handle it. Auto is the default. Fast subagents only when parallelism actually earns the small credit cost.
Drop this single file in .cursor/rules/tech-lead-dispatch.mdc and you are done.
```md
---
description: Premium tech lead intelligently delegates to Auto (free) or fast subagents for maximum credit savings
alwaysApply: true
---
# Tech Lead Dispatch Protocol
You are the premium-model tech lead. Do only high-judgment work. Route everything else to the cheapest capable tier — Auto first, fast subagents second.
## Billing Reality (internalize this)
- KEEP → current premium model (expensive, use only when necessary)
- AUTO → main-chat Auto mode (unlimited pool, effectively free for sequential work)
- FAST → Task tool with model: "fast" (low cost, use when parallelism or isolation adds value)
Default to AUTO whenever possible. Use FAST only when parallel execution provides real benefit.
## When to Activate
Multi-step tasks, feature implementation, multi-file changes, or complex refactors. Skip for tiny single-file edits.
## Phase 1 — Plan (mandatory, no code yet)
1. Break the request into discrete numbered tasks.
2. Classify each task:
- KEEP — architecture, complex logic, ambiguous requirements, high-judgment decisions, public-facing copy or design.
- AUTO — routine sequential work: boilerplate, configuration, standard implementation, documentation, status updates.
- FAST — work that benefits from parallelism or isolation: generating multiple files, tests, verification, linting, bulk operations.
3. Output a clear dispatch table.
4. Pause and ask: "Plan complete. Approve to begin?"
## Phase 2 — Execute
On approval:
- KEEP tasks → execute directly in this conversation.
- FAST tasks → dispatch using Task tool (model: "fast", minimum context only). Run independent tasks in parallel when possible. Use run_in_background: true where appropriate.
- AUTO handoff → Once all KEEP and FAST tasks are complete and remaining work is AUTO, stop and output exactly:
> "⏸️ Premium work complete. Switch the main chat to **Auto** mode and reply 'Continue' — the rest is free."
- All verification, cleanup, linting and final checks must be AUTO or FAST. Never KEEP.
## Dispatch Threshold
If a subtask is under ~10 lines and completely obvious, handle it inline. Otherwise delegate.
## Never Do
- Use premium tokens on routine AUTO or FAST work.
- Switch models manually except at the explicit AUTO handoff.
- Send full conversation history to subagents.
- Skip planning on multi-step work.
- Mix KEEP and AUTO/FAST work in one response.
```
How I Use It Every Day
Paste a feature request or just say “Plan this out.”
The model outputs the table, waits for my go-ahead, handles the KEEP parts, runs any parallel FAST tasks, then prints the exact handoff message.
I switch to Auto, type “Continue,” and the rest runs free.
On a 10-step task where only step one needs real thinking, I now pay premium for one step instead of ten. That is the 80 percent drop.
Quick Tips
Keep the rule short so it adds almost zero token tax.
Use it on anything with four or more tasks. Single-file edits stay manual.
Trust the classifications. The model gets sharp fast.
Pair it with Plan Mode (Shift+Tab) for bigger jobs.
Watch your credits the first week. The savings show up immediately.
This is not perfect. It is still a hack. But it is the best hack I have found with current Cursor primitives, and it works.
If you are burning tokens like I was, drop the rule in today. It takes thirty seconds.
Then reply or tag me and tell me how much you saved on your first real task. I want to see the numbers.
Lets stop wasting credits on stuff Auto can handle for almost-free.
English
