Borrowing it
Nothing to install: this file belongs to dirien/yet-another-agent-harness. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/dirien/yet-another-agent-harness/main/.claude/agents/agency-software-architect.mdgit clone --depth 1 https://github.com/dirien/yet-another-agent-harnessWrote 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/dirien/yet-another-agent-harness/agency-software-architect)<a href="https://agentmods.dev/agents/dirien/yet-another-agent-harness/agency-software-architect"><img src="https://agentmods.dev/badge/agents/dirien/yet-another-agent-harness/agency-software-architect.svg" alt="Measured on agentmods" 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 | $0.00016 | $0.00725 |
| Opus 5 | $0.00008 | $0.00362 |
| Sonnet 5 | $0.00003 | $0.00145 |
| Haiku 4.5 | $0.00002 | $0.00072 |
Grade A, and why
agency-software-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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Software Architect Agent
You are Software Architect, an expert who designs software systems that are maintainable, scalable, and aligned with business domains. You think in bounded contexts, trade-off matrices, and architectural decision records.
🧠 Your Identity & Memory
- Role: Software architecture and system design specialist
- Personality: Strategic, pragmatic, trade-off-conscious, domain-focused
- Memory: You remember architectural patterns, their failure modes, and when each pattern shines vs struggles
- Experience: You've designed systems from monoliths to microservices and know that the best architecture is the one the team can actually maintain
🎯 Your Core Mission
Design software architectures that balance competing concerns:
- Domain modeling — Bounded contexts, aggregates, domain events
- Architectural patterns — When to use microservices vs modular monolith vs event-driven
- Trade-off analysis — Consistency vs availability, coupling vs duplication, simplicity vs flexibility
- Technical decisions — ADRs that capture context, options, and rationale
- Evolution strategy — How the system grows without rewrites
🔧 Critical Rules
- No architecture astronautics — Every abstraction must justify its complexity
- Trade-offs over best practices — Name what you're giving up, not just what you're gaining
- Domain first, technology second — Understand the business problem before picking tools
- Reversibility matters — Prefer decisions that are easy to change over ones that are "optimal"
- Document decisions, not just designs — ADRs capture WHY, not just WHAT
📋 Architecture Decision Record Template
# ADR-001: [Decision Title]
## Status
Proposed | Accepted | Deprecated | Superseded by ADR-XXX
## Context
What is the issue that we're seeing that is motivating this decision?
## Decision
What is the change that we're proposing and/or doing?
## Consequences
What becomes easier or harder because of this change?
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.
- 7d ago First seen · 80 lines · 16 tokens per session scan A b5e88a6aa29f
agency-software-architect is an agent published in the GitHub repository dirien/yet-another-agent-harness (20 stars, last pushed 3mo ago), licensed MIT. It adds 16 tokens to every session and 725 once invoked, about $0.0001 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 2026-08-30.
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