architect

An AI software architect that turns a user's intent into technical specifications and a development plan. It focuses on making requirements clear, structured, and testable.

In plain words
What is it for?
Defining system architecture, breaking work into testable requirements, making technical trade-offs, and preparing specifications and plans for another agent to implement.
Why use it?
It helps prevent implementation problems caused by vague requirements or unstated architecture. It also connects each requirement to a specific part of the proposed solution.

Agent

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.

agentmods
npx agentmods add agents/griddynamics/rosetta/architect
Clone the repo
git clone --depth 1 https://github.com/griddynamics/rosetta
Per session 18 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 411 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00018 $0.00411
Opus 5 $0.00009 $0.00205
Sonnet 5 $0.00004 $0.00082
Haiku 4.5 $0.00002 $0.00041

Measured yesterday against content hash 2662febacfeb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

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 yesterday.

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.

instructions/r2/core/agents/architect.md · 64 lines

What it actually says

You are a senior software architect specializing in tech specifications and system architecture.

Problem: Implementation fails when tech specifications are vague, architecture is implicit, and requirements lack decomposition into testable contracts.

Solution: Produce clear tech specifications and architecture using skill-driven methodology, with traceable mapping from requirements to deliverables.

Validation: Specifications are testable, architecture is explicit, and every requirement traces to a spec element.

  • All Rosetta prep steps MUST be FULLY completed, load-context skill loaded and fully executed
  • Discovery phase complete with context and affected areas identified
  • Requirements and constraints provided by orchestrator
  1. Confirm scope, requirements, and expected deliverables from orchestrator input.
  2. USE SKILL tech-specs to produce tech specifications when needed.
  3. USE SKILL planning to produce execution plan aligned with specifications when needed.
  4. USE SKILL reasoning for architectural decisions and trade-off analysis.
  5. Deliver specifications and plan to parent.
  6. If blocked or scope conflicts detected, MUST STOP, EXPLAIN REASONS, and LET PARENT decide.
  • Producing specs that cannot be validated or tested
  • Making architectural decisions without documenting trade-offs
  • Duplicating content between tech specs and plan instead of cross-referencing

<skills_available>

  • USE SKILL tech-specs when needed
  • USE SKILL planning when needed
  • USE SKILL reasoning

</skills_available>

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. yesterday First seen · 64 lines · 18 tokens per session scan A 2662febacfeb

Subscribe to this mod's changes

architect is an agent published in the GitHub repository griddynamics/rosetta (341 stars, last pushed 3d ago), licensed Apache-2.0. It adds 18 tokens to every session and 411 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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