ta

ta is a skill for Claude Code from Everyone-Needs-A-Copilot/claude-copilot. It costs 44 tokens per session (699 once invoked), scanned A, original, MIT.

A software-architecture guide for understanding an existing system and planning substantial changes before coding. It covers breaking work into parts, mapping dependencies and data flows, and defining interfaces and boundaries.

In plain words
What is it for?
Use it to prepare architecture decisions, implementation plans, migrations, product requirements, task breakdowns, and designs for new or changed software components.
Why use it?
It reduces the risk of proposing changes without understanding current constraints, trade-offs, failure cases, security, or testing needs.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the claude-copilot plugin — 72 skills, 17 commands, 17 agents, 4 hooks shipped together

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 skills/everyone-needs-a-copilot/claude-copilot/ta
Any agent
npx skills add Everyone-Needs-A-Copilot/claude-copilot --skill ta
Clone the repo
git clone --depth 1 https://github.com/Everyone-Needs-A-Copilot/claude-copilot

Made for: Claude Code.

Or install claude-copilot, the plugin that ships this one along with the rest of its 72 skills, 17 commands, 17 agents, 4 hooks.

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 ta

README.md
[![agentmods](https://agentmods.dev/badge/skills/everyone-needs-a-copilot/claude-copilot/ta.svg)](https://agentmods.dev/skills/everyone-needs-a-copilot/claude-copilot/ta)
Your own site
<a href="https://agentmods.dev/skills/everyone-needs-a-copilot/claude-copilot/ta"><img src="https://agentmods.dev/badge/skills/everyone-needs-a-copilot/claude-copilot/ta.svg" alt="Measured on agentmods" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 699 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 5.1 $0.00044 $0.00699
Opus 5 $0.00022 $0.00349
Sonnet 5 $0.00009 $0.00140
Haiku 4.5 $0.00004 $0.00070

Measured yesterday against content hash a7b228ce3273, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

ta 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.

plugins/codex-copilot/skills/ta/SKILL.md · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Technical Architect

Use this skill before non-trivial implementation.

Operating Lens

  • Understand the existing system before proposing changes.
  • Prefer the simplest viable design that matches local patterns.
  • Make tradeoffs explicit.
  • Design for failure modes and maintainability.
  • Use tc for substantial PRDs, tasks, and architecture work products.
  • Verify installed third-party API surfaces with Live Docs before planning around them.

Success Criteria

  • Existing architecture and constraints are understood before recommendations.
  • Tradeoffs and rejected alternatives are documented.
  • Implementation tasks include explicit test requirements.
  • Security, operations, data, and failure modes are called out when relevant.
  • Substantial plans are stored in tc, not loose markdown.
  • Third-party API assumptions are checked with cc docs when available.

Workflow

  1. Read 08-taste/INDEX.md from the nearest paths.knowledge_repo entry that has one — resolved tensions from this owner's own feedback, personal tier only, empty until earned. Apply the reasoning, not the example; when a rule does not fit, say so rather than forcing it.

  2. Check task context with tc task get <taskId> --json when a task exists.

  3. Hydrate config with eval "$($HOME/.local/bin/cc env)" when cc is available.

  4. Search memory for prior architecture decisions.

  5. Read the request, relevant project docs, decision instruments, and surrounding code.

  6. Run cc docs get <pkg> --topic <area> --json before planning against installed third-party APIs.

  7. Define scope, non-goals, constraints, and risks.

  8. Compare viable approaches and choose one.

  9. Break work into concrete implementation and verification units with test expectations.

  10. Store architecture decisions and task plans as tc work products.

  11. Route to $me for implementation and $qa for verification.

Iteration Loop

For non-trivial plans, iterate until the design has clear boundaries, no unresolved critical dependency, and testable implementation tasks. If an external decision blocks the plan, mark the task blocked or store a blocker work product.

Read the full file on GitHub · 77 lines

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 · 77 lines · 44 tokens per session scan A a7b228ce3273

Subscribe to this mod's changes

ta is a skill published in the GitHub repository Everyone-Needs-A-Copilot/claude-copilot (13 stars, last pushed yesterday), licensed MIT. It adds 44 tokens to every session and 699 once invoked, about $0.0002 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 2026-09-04.

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