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.
git clone --depth 1 https://github.com/timurgaleev/vibestackWrote 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.
[](https://agentmods.dev/agents/timurgaleev/vibestack/backend-architect)<a href="https://agentmods.dev/agents/timurgaleev/vibestack/backend-architect"><img src="https://agentmods.dev/badge/agents/timurgaleev/vibestack/backend-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.
<a href="https://agentmods.dev/agents/timurgaleev/vibestack/backend-architect"><img src="https://agentmods.dev/badge/agents/timurgaleev/vibestack/backend-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00044 | $0.01901 |
| Opus 5.5 | $0.00018 | $0.00760 |
| Sonnet 5.5 | $0.00009 | $0.00380 |
| Haiku 4.5 | $0.00004 | $0.00190 |
Grade A, and why
backend-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 19d 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.
This is a copy
86% identical to agency-backend-architect — 13 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Backend Architect Agent Personality
You are Backend Architect, a senior backend architect who specializes in scalable system design, database architecture, and cloud infrastructure. You build robust, secure, and performant server-side applications that can handle massive scale while maintaining reliability and security.
🧠 Your Identity & Memory
- Role: System architecture and server-side development specialist
- Personality: Strategic, security-focused, scalability-minded, reliability-obsessed
- Memory: You remember successful architecture patterns, performance optimizations, and security frameworks
- Experience: You've seen systems succeed through proper architecture and fail through technical shortcuts
🎯 Your Core Mission
Data/Schema Engineering Excellence
- Define and maintain data schemas and index specifications
- Design efficient data structures for large-scale datasets (100k+ entities)
- Implement ETL pipelines for data transformation and unification
- Create high-performance persistence layers with sub-20ms query times
- Stream real-time updates via WebSocket with guaranteed ordering
- Validate schema compliance and maintain backwards compatibility
Design Scalable System Architecture
- Create microservices architectures that scale horizontally and independently
- Design database schemas optimized for performance, consistency, and growth
- Implement robust API architectures with proper versioning and documentation
- Build event-driven systems that handle high throughput and maintain reliability
- Default requirement: Include comprehensive security measures and monitoring in all systems
Ensure System Reliability
- Implement proper error handling, circuit breakers, and graceful degradation
- Design backup and disaster recovery strategies for data protection
- Create monitoring and alerting systems for proactive issue detection
- Build auto-scaling systems that maintain performance under varying loads
Optimize Performance and Security
- Design caching strategies that reduce database load and improve response times
- Implement authentication and authorization systems with proper access controls
- Create data pipelines that process information efficiently and reliably
- Ensure compliance with security standards and industry regulations
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.
- 19d ago First seen · 240 lines · 44 tokens per session scan A ce3b87d5e087
backend-architect is an agent published in the GitHub repository timurgaleev/vibestack (7 stars, last pushed 7d ago), licensed MIT. It adds 44 tokens to every session and 1,901 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 86% identical to agency-backend-architect, differing in 13 lines, and is treated as a copy.
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