FREE TOOLS FOR CURSOR BUILDERS
Free Cursor Developer Tools
Free validators, generators, and calculators for Cursor builders: grade your rules file, convert configs, calculate token costs, or scan your site security. No signup required.
Cursor Usage Wrapped
Generate a shareable flex card in one click
Enter a few numbers, hit Generate, get a Wrapped-style card. No signup.
Open tool →Rules File Grader
Drop a file → get a score out of 100
Drop .cursorrules or an .mdc file. Instant score with exact fixes.
Open tool →Cursor Plan Math
Slide your daily usage, see Pro vs Ultra
Two inputs. Instant recommendation. No signup.
Open tool →Config Converter
Drop a file → download the other format
AGENTS.md, .cursorrules, .mdc: drop and convert. Download ready.
Open tool →Agent Brief Generator
Pick a preset → download agent.md
Reviewer, debugger, test-runner presets. Edit fields. Download the file.
Open tool →Slash Prompt Builder
Pick /commit → download the command
Presets for /commit, /review-pr, /explain. Live preview + download.
Open tool →Hooks JSON Builder
Click format/protect → download hooks.json
Visual builder for Cursor hooks. Presets. Download JSON.
Open tool →MCP Config Checker
Drop mcp.json → instant findings
Drop .cursor/mcp.json and catch wrong keys, missing fields, placeholders.
Open tool →Multi-Model Token Counter
Load a sample prompt → see $
One-click sample or type a prompt. Instant cost across models.
Open tool →Package.json Auditor
Drop package.json → audit
Drop package.json for scripts gaps, loose versions, and SaaS essentials.
Open tool →Website Security Quick Scan
Enter a URL → scan
Type https://yoursite.com and hit Scan. Prioritized findings. No HTML paste.
Open tool →Kit Picker
Yes/No → copy install command
Six taps. Get Engineering, Marketing, or Both + the exact npx command.
Open tool →Feature → Agent Chain
Type a feature, see agents live
One line of input. Instant /ship-style agent order preview.
Open tool →Headline Generator
3 fields → headlines + CTA + score
Product, audience, benefit. We generate headlines and CTAs: tap to score.
Open tool →Go further
Loved the free tools? Get the full kits.
The tools above are free forever. AgenticKit kits give you engineering and marketing agent teams you drop into any project with one command.