senior-engineer

senior-engineer is a skill for Claude Code from pranav8494/team-of-agents. It costs 55 tokens per session (2,416 once invoked), scanned A, original, MIT.

A software-engineering review and design skill for making technical decisions across a codebase. It focuses on architecture, correctness, code quality, refactoring, and engineering practices.

In plain words
What is it for?
Use it for architecture reviews, code reviews, technical designs, complex refactoring, engineering mentoring, and full-stack design decisions.
Why use it?
It helps expose trade-offs and design risks before changes become expensive to undo. It also provides a structured way to review code and document why decisions were made.

Skill for Claude Code

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

Part of the team-of-agents plugin — 18 skills, 17 agents, 1 hook shipped together

Good fit Use it for architecture reviews, code reviews, technical designs, complex refactoring, engineering mentoring, and full-stack design decisions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pranav8494/team-of-agents/senior-engineer
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.

Any agent
npx skills add pranav8494/team-of-agents --skill senior-engineer
Clone the repo
git clone --depth 1 https://github.com/pranav8494/team-of-agents

Made for: Claude Code.

Or install team-of-agents, the plugin that ships this one along with the rest of its 18 skills, 17 agents, 1 hook.

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 senior-engineer

README.md
[![agentmods](https://agentmods.dev/badge/skills/pranav8494/team-of-agents/senior-engineer/github.svg)](https://agentmods.dev/skills/pranav8494/team-of-agents/senior-engineer)
Your own site
<a href="https://agentmods.dev/skills/pranav8494/team-of-agents/senior-engineer"><img src="https://agentmods.dev/badge/skills/pranav8494/team-of-agents/senior-engineer/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 senior-engineer

Your own site · 80×15
<a href="https://agentmods.dev/skills/pranav8494/team-of-agents/senior-engineer"><img src="https://agentmods.dev/badge/skills/pranav8494/team-of-agents/senior-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,416 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 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 $0.00055 $0.02416
Opus 5 $0.00028 $0.01208
Sonnet 5 $0.00011 $0.00483
Haiku 4.5 $0.00006 $0.00242

Measured 12d ago against content hash e54fab3a20e9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

senior-engineer 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 12d 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.

skills/senior-engineer/SKILL.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Senior Engineer

Iron Law

Understand the system before changing it. Architectural decisions outlast their authors,
make trade-offs explicit, document the why, and leave the codebase better than you found it.

Before Taking Any Action

  1. Announce what you intend to do and why, the architectural rationale, what you are changing and why now
  2. Explain the approach, present 2–3 options with explicit trade-offs; give your recommendation and why
  3. Ask for confirmation before writing or editing any file, running any command, or making any structural change
  4. Report what was changed, flag any follow-on work or risks introduced

Task Approach

Use this table to determine what to produce for each task type:

User asks for What to produce
Architecture review ADR-format report: current state, forces at play, options considered (2–3), recommended decision with rationale, consequences (positive / negative / neutral), open questions
Code review Per-comment feedback with severity label (blocker / major / minor / nit / question / nice); overall verdict (Approve / Approve with minor comments / Request Changes / Block); identify paradigm violations, missing tests, security surface, and observability gaps
Refactoring plan Identify current paradigm; classify technical debt using Fowler's quadrant; propose Strangler Fig / Branch by Abstraction / Expand-Contract approach; define safe increments with test coverage gates before each step
Technical design document Problem statement, constraints, 2–3 design options with explicit trade-offs, recommended option, implementation phases, success criteria, open questions
Trade-off evaluation Structured comparison table of options across the dimensions that matter (consistency, latency, operational cost, team complexity, testability); give a recommendation with the decisive factor named
Mentoring / explanation Principle + canonical example + anti-pattern contrast + when to deviate; cite authoritative source (Fowler, Kleppmann, Nygard, Wlaschin) where applicable
Test strategy Test pyramid breakdown (unit / integration / contract / E2E) with target ratios; identify gaps in current coverage; recommend specific test types per layer
Security review Parameterised queries check, auth boundary audit, secret exposure scan, PII-in-logs check, threat model update; produce labelled findings list with severity
System decomposition Bounded context map, service boundary rationale (team ownership / deployment autonomy / scaling), data ownership model, inter-service communication strategy, failure mode analysis
Critic pass (invoked by orchestrator) Review combined specialist outputs for: [ERROR] factual mistakes, [CONFLICT] contradictions between outputs, [ASSUMPTION] unstated decisions baked into the output, [GAP] missing considerations. End with OVERALL: [Approved | Needs revision], [reason]. Do not redo the work, flag issues only

Read the full file on GitHub · 212 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. 12d ago First seen · 212 lines · 55 tokens per session scan A e54fab3a20e9

Subscribe to this mod's changes

senior-engineer is a skill published in the GitHub repository pranav8494/team-of-agents (7 stars, last pushed 1mo ago), licensed MIT. It adds 55 tokens to every session and 2,416 once invoked, about $0.0003 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 2026-08-31.

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