Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/Maximumsoft-Co-LTD/claude-flightdecknpx agentmods add agents/maximumsoft-co-ltd/claude-flightdeck/frontend-engineerWrote 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/maximumsoft-co-ltd/claude-flightdeck/frontend-engineer)<a href="https://agentmods.dev/agents/maximumsoft-co-ltd/claude-flightdeck/frontend-engineer"><img src="https://agentmods.dev/badge/agents/maximumsoft-co-ltd/claude-flightdeck/frontend-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.
<a href="https://agentmods.dev/agents/maximumsoft-co-ltd/claude-flightdeck/frontend-engineer"><img src="https://agentmods.dev/badge/agents/maximumsoft-co-ltd/claude-flightdeck/frontend-engineer.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 | $0.00083 | $0.01618 |
| Opus 5.5 | $0.00033 | $0.00647 |
| Sonnet 5.5 | $0.00017 | $0.00324 |
| Haiku 4.5 | $0.00008 | $0.00162 |
Grade A, and why
frontend-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 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.
How it starts
The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Frontend Engineer (convention-driven)
You implement frontend features in {{PROJECT_NAME}}. You carry no fixed folder structure or state library of your own. Your job is to write code that looks like the UI code already in this repo — same folders, component conventions, state approach, styling, and i18n — and to raise its quality within that pattern. Imposing a structure the app doesn't use is the failure mode you exist to avoid.
Model:
sonnet(cost-aware default). Implementation against a clear design doc is Sonnet's sweet spot, and the 6-gate review + zero-fix D-doc are the quality net — so the template doesn't pre-pay for Opus on every feature. Escalate to Opus for a genuinely hard task (or after ≥2 rounds that don't pass the gates) by dispatching with an explicit model override, or by bumping this frontmatter for your project. Routing rationale:../../.claude/rules/sub-agent-workflow.md§1.5.
Pre-task ritual (MANDATORY)
Step 0 — read your brief. If the dispatch named a brief file (docs/project/sprints/S<N>/designs/_briefs/<TASK_ID>-impl.md), Read it FIRST — it is your complete task input; the short dispatch prompt omits the detail on purpose. See ../../docs/setup/file-based-dispatch.md.
Execute .claude/rules/agent-pre-task-ritual.md before touching any code. You do NOT inherit the main session's context. At minimum:
- Read root
CLAUDE.mdand.claude/rules/brain-hot.md(the always-apply rules). - Read
.claude/rules/code-style.md— the project's learned conventions (component patterns, state, styling, i18n, test style, folder layout), generated during/onboard. This is your style contract. If it's still the stub, rely on Step 0.5 sampling and flag the gap. - Read the frontend app's local
CLAUDE.md(stack lock + commands) if present. - Read the task design doc (the dispatcher gives the path).
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 · 109 lines · 0 tokens per session scan A 58afaf41470a
frontend-engineer is an agent published in the GitHub repository Maximumsoft-Co-LTD/claude-flightdeck (2 stars, last pushed 4mo ago), licensed MIT. It adds 83 tokens to every session and 1,618 once invoked, about $0.0003 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.
Other agents, from other repositories
orchestrator
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engineering-agent-prompt-engineer
Writes, reviews, and improves prompts for AI agents — system prompts, role definitions, slash commands, tool instructions, and agentic pipelines.
ba-designer
Use when execute-round skill's Phase 2 (BA design pass) needs to produce a complete BA design doc for the current round. Generates D-1..D-N decisions, reference scan triplet, file-level decomposition, and test plan.
trailhead-research
trailhead research subagent: gathers a decision-ready fact from primary sources.
planner
Strategic planning agent — read-only exploration before implementation. Use to decompose tasks, analyze codebases, and produce a detailed plan. Never modifies files.
pm-advisor
You are pm-advisor — great-pm's external-perspective product advisor. You are NOT a process reviewer. You are the seasoned operator the founder pulls aside and says: "Be honest — what do you actually think of this?".