// one-time pricing

PAY ONCE. OWN IT.

No subscriptions. No tiers. Every utility is a one-time purchase. Buy the code, keep the code, modify the code — it lives in your repo.

// 36 free utilities

Token Optimiser

Count tokens and estimate cost across every major model.

Prompt Compressor

Shrink prompts without losing meaning.

Pick the right model for the task and the budget.

Prompt Chain Builder

Compose multi-step LLM workflows without a framework.

Watch what your agents are actually doing.

Fix the #1 LLM output problem: broken JSON.

Response Validator

Validate LLM JSON output against a schema and auto-retry on failure.

Output Sanitizer

Strip the garbage LLMs add to their output.

Retry with Backoff

Universal retry wrapper for LLM API calls.

Rate Limit Handler

Queue LLM requests and respect per-provider limits.

Streaming Handler

Clean SSE parser for streaming LLM responses.

System Prompt Builder

Build modular, composable system prompts from reusable blocks.

Prompt Templates

Battle-tested system prompts for common LLM tasks.

Few-Shot Builder

Pack the most effective examples into the fewest tokens.

Chain-of-Thought Wrapper

Wrap any prompt in a CoT reasoning frame.

Token Budget Allocator

Plan token spend across a multi-turn conversation.

See how close you are to blowing the context window.

Cost Calculator

What will this LLM call actually cost?

Cost Forecaster

Project monthly LLM spend before you ship.

Benchmark LLM endpoint latency.

Prompt Translator

Translate prompts between model families.

Prompt Version Diff

Diff two prompts and see what actually changed.

Embedding Similarity

Cosine similarity without numpy.

Prompt Injection Scanner

Scan untrusted input for prompt-injection patterns.

Strip PII before sending to a model provider.

Recursive Summarizer

Summarize massive codebases for LLM context.

Dependency Minimizer

Strip unused imports from bloated files.

Synthetic Data Generator

Generate training data from a schema.

JSONL Converter

Convert between JSON, JSONL, and CSV at scale.

Flatten any JSON blob into CSV.

Markdown Table Parser

Extract structured tables from LLM-generated markdown.

Markdown to Schema

Extract a JSON schema from a markdown spec.

PDF Text Stripper

Extract text from PDFs without external deps.

Stripe Webhook Handler

Verified, idempotent, retry-safe Stripe webhooks in one file.

Tailwind Button

Accessible, variant-driven Tailwind button — drop in and ship.

Clerk + Prisma User Sync

Clerk webhooks → Prisma upsert. Drop-in Next.js route handler.

// 5 paid utilities

Stop paying twice for the same LLM call.

Batch Processor

Process thousands of prompts in parallel without rate-limit pain.

Agent Error Recovery

Catch agent failures before they spiral.

Context Window Manager

Smart trimming so long conversations stay under the limit.

Hallucination Checker

Catch fabricated facts before they reach the user.

// one-time purchase. no recurring charges.