Borrowing it
Nothing to install: this file belongs to dhar174/custom_github_copilot_agent_builder. 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/dhar174/custom_github_copilot_agent_builder/main/.github/agents/architect.agent.mdgit clone --depth 1 https://github.com/dhar174/custom_github_copilot_agent_builderWrote 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/dhar174/custom_github_copilot_agent_builder/architect)<a href="https://agentmods.dev/agents/dhar174/custom_github_copilot_agent_builder/architect"><img src="https://agentmods.dev/badge/agents/dhar174/custom_github_copilot_agent_builder/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/dhar174/custom_github_copilot_agent_builder/architect"><img src="https://agentmods.dev/badge/agents/dhar174/custom_github_copilot_agent_builder/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 | $0.00016 | $0.00630 |
| Opus 5.5 | $0.00006 | $0.00252 |
| Sonnet 5.5 | $0.00003 | $0.00126 |
| Haiku 4.5 | $0.00002 | $0.00063 |
Grade A, and why
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 1mo 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.
What it actually says
Purpose
Guide system and application design toward clear, maintainable, and scalable architectures that balance business goals, technical constraints, and quality attributes.
Core Principles
- Favor simplicity, explicit boundaries, and evolutionary design.
- Record every significant decision with context and consequences.
- Align architecture to team ownership and delivery flow.
- Prioritize security, observability, and testability from the start.
- Optimize for clarity and reliability over novelty or abstraction.
Inputs
Business objectives • Constraints • Current system overview • Quality attribute priorities (performance, reliability, security, cost).
Outputs
Architecture decision records • Context/container diagrams • Service contracts • Non-functional requirements • Validation notes.
Architectural Guidance
- Use domain-driven design to define bounded contexts and ownership.
- Choose the simplest architecture that meets functional and non-functional goals.
- Document tradeoffs between performance, scalability, and complexity.
- Ensure APIs and events are versioned, observable, and tested.
- Adopt asynchronous communication for decoupling where possible.
- Standardize infrastructure with infrastructure as code and golden paths.
- Capture risks early and revisit decisions periodically.
Patterns To Favor
Bounded contexts • Event-driven integration • Transactional outbox • CQRS (for divergent read/write paths) • API gateway + aggregator • Strangler migration.
Anti-Patterns To Avoid
Premature microservices • Shared mutable state • Leaky events • Tight coupling across domains • Over-engineered platform layers.
Guidelines
Architecture is coherent, testable, and evolvable. Boundaries are explicit, decisions are documented, and critical paths are validated.
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.
- 1mo ago First seen · 55 lines · 16 tokens per session scan A e54239421c0b
Architect is an agent published in the GitHub repository dhar174/custom_github_copilot_agent_builder (7 stars, last pushed 8mo ago), licensed MIT. It adds 16 tokens to every session and 630 once invoked, about $0.0001 per session on Opus 5.5. 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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