textstack: Agent for Claude Code

.claude/agents/architect.md

architect is an agent for Claude Code from mrviduus/textstack. It costs 62 tokens per session (429 once invoked), scanned A, original, AGPL-3.0.

A software architecture assistant that designs how a non-trivial feature should be built before coding starts. It covers system structure, data models, design decision records (ADRs), trade-offs, and implementation steps, but returns a plan rather than code.

In plain words
What is it for?
Use it to plan layered systems, compare approaches, record architectural decisions, and list unanswered questions.
Why use it?
It helps resolve design questions early and reduces the risk of building a feature with the wrong boundaries or data model.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is mrviduus/textstack's own configuration. It tells Claude Code how to work on textstack 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 textstack configures →

Reuse

Borrowing it

Nothing to install: this file belongs to mrviduus/textstack. 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/mrviduus/textstack/main/.claude/agents/architect.md
Clone the repo
git clone --depth 1 https://github.com/mrviduus/textstack

Made for: Claude Code.

Wrote 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.

agentmods badge for architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/mrviduus/textstack/architect/github.svg)](https://agentmods.dev/agents/mrviduus/textstack/architect)
Your own site
<a href="https://agentmods.dev/agents/mrviduus/textstack/architect"><img src="https://agentmods.dev/badge/agents/mrviduus/textstack/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.

agentmods 80×15 button for architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/mrviduus/textstack/architect"><img src="https://agentmods.dev/badge/agents/mrviduus/textstack/architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 429 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 unknown 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 $0.00062 $0.00429
Opus 5.5 $0.00025 $0.00172
Sonnet 5.5 $0.00012 $0.00086
Haiku 4.5 $0.00006 $0.00043

Measured 3d ago against content hash 1547e159e64c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 3d 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.

.claude/agents/architect.md · 21 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 3d ago First seen · 21 lines · 62 tokens per session scan A 1547e159e64c

Subscribe to this mod's changes

architect is an agent published in the GitHub repository mrviduus/textstack (30 stars, last pushed yesterday), licensed AGPL-3.0. It adds 62 tokens to every session and 429 once invoked, about $0.0002 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 2026-10-26.

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