project-development

Design and validate LLM batch processing pipelines with staged architecture and cost estimation.

Updated Feb 20, 2026
One-click install
npx skills add https://github.com/gtbauke/bj-utils --skill project-development-gtbauke
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: project-development
Source: https://github.com/gtbauke/bj-utils/tree/main/.agent/skills/project-development
Command: npx skills add https://github.com/gtbauke/bj-utils --skill project-development-gtbauke

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve? Teams waste days building LLM automation on tasks that are fundamentally mismatched to language models, or over-engineer agent architectures that constrain model performance. This Skill provides a methodology for evaluating task-model fit, structuring staged pipelines, and estimating costs before writing production code. ## Core Features & Use Cases - Task-Model Fit Evaluation: Decision tables and a manual prototype step to validate whether a task suits LLM processing before investing in automation. - Staged Pipeline Architecture: A canonical acquire-prepare-process-parse-render structure with file-system state management, idempotent stages, and a runnable Python template script. - Cost and Architecture Guidance: Token cost estimation formulas, single vs multi-agent selection criteria, and case studies (Karpathy HN Time Capsule, Vercel d0, Manus) showing architectural reduction patterns. - Use Case: When asked to build a batch pipeline that grades 900 discussion threads with an LLM, use this Skill to validate fit with a manual prototype, scaffold the five-stage pipeline from the template script, and estimate token costs before execution. ## Quick Start Ask the agent to help design a batch processing pipeline for your task, starting with a manual prototype validation and a cost estimate using the pipeline template script.

Frequently Asked Questions about project-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I know if my task is suitable for LLM processing?▼

Run the task through the task-model fit tables: proceed if it involves synthesis across sources, subjective judgment with rubrics, natural language output, and error tolerance. Stop if it requires precise computation, real-time responses, perfect accuracy, or deterministic output. Always validate with a manual prototype first.

How to structure a batch processing pipeline with LLM calls?▼

Use the five-stage structure: acquire, prepare, process, parse, render. Only the process stage calls the LLM; all other stages are deterministic. Store intermediate outputs as files per item so stages are idempotent, cacheable, and independently re-runnable.

When should I use multi-agent architecture instead of a single pipeline?▼

Default to single-agent pipelines for batch processing with independent items. Escalate to multi-agent only when parallel exploration is required, the task exceeds a single context window, or specialized sub-agents demonstrably improve benchmark quality. Choose multi-agent for context isolation, not role division.

How do I estimate LLM API costs for a batch job?▼

Multiply items by tokens per item by price per token, then add a 20-30% buffer for retries and failures. The template script includes an estimate stage that counts prompt characters, approximates tokens, and projects cost before you run the expensive process stage.

Why does my LLM output parsing keep failing?▼

LLMs do not follow format instructions perfectly, so brittle parsers break on minor variations. Design prompts with explicit section markers, format examples, and a statement that output will be parsed programmatically. Build regex parsers that tolerate variation, provide defaults for missing sections, and log failures instead of crashing.

Should I add more tools and guardrails to improve my agent?▼

Not by default. The Vercel d0 case study showed reducing from 17 tools to 2 raised success from 80% to 100% while cutting execution time 3.5x. Start minimal and add complexity only when production evidence proves it necessary, since scaffolding often constrains capable models.