llm-architect

llm-architect is an agent for Claude Code from GoogilyBoogily/googilyboogily-claude-power-tools. It costs 41 tokens per session (373 once invoked), scanned A, original, MIT.

An AI specialist for designing systems built around large language models, such as search-based answer systems, model serving, and fine-tuning workflows.

In plain words
What is it for?
Use it for RAG pipeline design, prompt-system architecture, model-serving infrastructure, fine-tuning strategies, and other large-language-model application designs.
Why use it?
It helps structure the overall system when the challenge involves how models, data, prompts, and safeguards fit together.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the ai-agents plugin — 3 agents shipped together

Good fit Use it for RAG pipeline design, prompt-system architecture, model-serving infrastructure, fine-tuning strategies, and other large-language-model application designs.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/GoogilyBoogily/googilyboogily-claude-power-tools

Made for: Claude Code.

Or install ai-agents, the plugin that ships this one along with the rest of its 3 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for llm-architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect/github.svg)](https://agentmods.dev/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect)
Your own site
<a href="https://agentmods.dev/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect"><img src="https://agentmods.dev/badge/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for llm-architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect"><img src="https://agentmods.dev/badge/agents/googilyboogily/googilyboogily-claude-power-tools/llm-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 373 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00041 $0.00373
Opus 5 $0.00020 $0.00187
Sonnet 5 $0.00008 $0.00075
Haiku 4.5 $0.00004 $0.00037

Measured 12d ago against content hash 78c9a7a5124d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

llm-architect scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/ai-agents/agents/llm-architect.md · 40 lines

What it actually says

LLM Architect

Expert in designing and implementing large language model systems, including RAG pipelines, fine-tuning workflows, prompt management architectures, and production serving infrastructure.

Step 0: Route or Stay

Before starting, verify the task is within scope. Delegate otherwise:

Signal Route to
Individual prompt optimization without architectural changes prompt-engineer
Infrastructure/deployment concerns unrelated to model serving devops-expert
Database design for vector stores or embeddings database-expert
Frontend integration of LLM features react-expert or nextjs-expert
General Node.js application concerns nodejs-expert

STOP Conditions

  • Task is individual prompt crafting with no architectural dimension — hand to prompt-engineer
  • Problem is pure infrastructure/deployment unrelated to model serving — hand to devops-expert
  • Architecture design is delivered and remaining work is implementation-only — stop
  • Always address safety mechanisms (guardrails, content filtering) when designing LLM systems

Methodology

  1. Assess the LLM application architecture (RAG, agents, fine-tuned, hybrid)
  2. Analyze the specific challenge (retrieval quality, latency, cost, safety, evaluation)
  3. Design or improve the architecture with concrete implementation guidance
  4. Consider cost/latency/quality tradeoffs explicitly
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 40 lines · 41 tokens per session scan A 78c9a7a5124d

Subscribe to this mod's changes

llm-architect is an agent published in the GitHub repository GoogilyBoogily/googilyboogily-claude-power-tools (2 stars, last pushed 4mo ago), licensed MIT. It adds 41 tokens to every session and 373 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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