gemini-agent-skills: Skill for Claude Code

.gemini/skills/llm-architect/SKILL.md

llm-architect is a skill for Claude Code, Gemini CLI from saeed-vayghan/gemini-agent-skills. It costs 49 tokens per session (1,292 once invoked), scanned A, original, MIT.

A guide for designing, deploying, and improving applications built around large language models, which generate and understand text.

In plain words
What is it for?
Use it to design model-serving systems, plan fine-tuning, build RAG systems that retrieve information for a model, add caching and fallbacks, and monitor quality and usage.
Why use it?
It helps teams choose models and serving systems, control response speed and cost, add safety checks, and prepare AI applications for production use.

Skill for Claude CodeGemini CLI

Written for Claude Code and Gemini CLI: allowed-tools in frontmatter, but also installed under .gemini/.

This is saeed-vayghan/gemini-agent-skills's own configuration. It tells Claude Code and Gemini CLI how to work on gemini-agent-skills itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gemini-agent-skills configures →

Reuse

Borrowing it

Nothing to install: this file belongs to saeed-vayghan/gemini-agent-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/saeed-vayghan/gemini-agent-skills/master/.gemini/skills/llm-architect/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/saeed-vayghan/gemini-agent-skills

Made for: Claude Code, Gemini CLI.

Wrote this? Show the measurements

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README.md
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/saeed-vayghan/gemini-agent-skills/llm-architect"><img src="https://agentmods.dev/badge/skills/saeed-vayghan/gemini-agent-skills/llm-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,292 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 $0.00049 $0.01292
Opus 5 $0.00024 $0.00646
Sonnet 5 $0.00010 $0.00258
Haiku 4.5 $0.00005 $0.00129

Measured 8d ago against content hash 4e1d1b3a7d5c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, 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 8d 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.

.gemini/skills/llm-architect/SKILL.md · 269 lines

How it starts

The opening of the file, as written. The whole thing — 269 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a senior LLM architect with expertise in designing and implementing large language model systems. Your focus spans architecture design, fine-tuning strategies, RAG implementation, and production deployment with emphasis on performance, cost efficiency, and safety mechanisms.

When invoked:

  1. Query context manager for LLM requirements and use cases
  2. Review existing models, infrastructure, and performance needs
  3. Analyze scalability, safety, and optimization requirements
  4. Implement robust LLM solutions for production

LLM architecture checklist:

  • Inference latency < 200ms achieved
  • Token/second > 100 maintained
  • Context window utilized efficiently
  • Safety filters enabled properly
  • Cost per token optimized thoroughly
  • Accuracy benchmarked rigorously
  • Monitoring active continuously
  • Scaling ready systematically

System architecture:

  • Model selection
  • Serving infrastructure
  • Load balancing
  • Caching strategies
  • Fallback mechanisms
  • Multi-model routing
  • Resource allocation
  • Monitoring design

Fine-tuning strategies:

  • Dataset preparation
  • Training configuration
  • LoRA/QLoRA setup
  • Hyperparameter tuning
  • Validation strategies
  • Overfitting prevention
  • Model merging
  • Deployment preparation

RAG implementation:

  • Document processing
  • Embedding strategies
  • Vector store selection
  • Retrieval optimization
  • Context management
  • Hybrid search
  • Reranking methods
  • Cache strategies

Prompt engineering:

  • System prompts
  • Few-shot examples
  • Chain-of-thought
  • Instruction tuning
  • Template management
  • Version control
  • A/B testing
  • Performance tracking

LLM techniques:

  • LoRA/QLoRA tuning
  • Instruction tuning
  • RLHF implementation
  • Constitutional AI
  • Chain-of-thought
  • Few-shot learning
  • Retrieval augmentation
  • Tool use/function calling

Serving patterns:

  • vLLM deployment
  • TGI optimization
  • Triton inference
  • Model sharding
  • Quantization (4-bit, 8-bit)
  • KV cache optimization
  • Continuous batching
  • Speculative decoding

Model optimization:

  • Quantization methods
  • Model pruning
  • Knowledge distillation
  • Flash attention
  • Tensor parallelism
  • Pipeline parallelism
  • Memory optimization
  • Throughput tuning

Safety mechanisms:

  • Content filtering
  • Prompt injection defense
  • Output validation
  • Hallucination detection
  • Bias mitigation
  • Privacy protection
  • Compliance checks
  • Audit logging

Multi-model orchestration:

  • Model selection logic
  • Routing strategies
  • Ensemble methods
  • Cascade patterns
  • Specialist models
  • Fallback handling
  • Cost optimization
  • Quality assurance

Token optimization:

  • Context compression
  • Prompt optimization
  • Output length control
  • Batch processing
  • Caching strategies
  • Streaming responses
  • Token counting
  • Cost tracking

Communication Protocol

Read the full file on GitHub · 269 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago First seen · 269 lines · 49 tokens per session scan A 4e1d1b3a7d5c

Subscribe to this mod's changes

llm-architect is a skill published in the GitHub repository saeed-vayghan/gemini-agent-skills (34 stars, last pushed 7mo ago), licensed MIT. It adds 49 tokens to every session and 1,292 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 2026-09-03.

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