fullstack-dev

fullstack-dev is an agent for Claude Code from hydershah/nextjs-ai-template. It costs 45 tokens per session (436 once invoked), scanned A, original, no licence file.

A coding agent for building complete features across the frontend, which users see, and the backend, which handles application logic and data.

In plain words
What is it for?
Creating new features from start to finish and making coordinated frontend and backend changes.
Why use it?
It helps coordinate work that must change both sides of an application instead of handling each side separately.

Agent for Claude Code

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

Good fit Creating new features from start to finish and making coordinated frontend and backend changes.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/hydershah/nextjs-ai-template/fullstack-dev
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.

Clone the repo
git clone --depth 1 https://github.com/hydershah/nextjs-ai-template

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 fullstack-dev

README.md
[![agentmods](https://agentmods.dev/badge/agents/hydershah/nextjs-ai-template/fullstack-dev/github.svg)](https://agentmods.dev/agents/hydershah/nextjs-ai-template/fullstack-dev)
Your own site
<a href="https://agentmods.dev/agents/hydershah/nextjs-ai-template/fullstack-dev"><img src="https://agentmods.dev/badge/agents/hydershah/nextjs-ai-template/fullstack-dev/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 fullstack-dev

Your own site · 80×15
<a href="https://agentmods.dev/agents/hydershah/nextjs-ai-template/fullstack-dev"><img src="https://agentmods.dev/badge/agents/hydershah/nextjs-ai-template/fullstack-dev.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 436 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 $0.00045 $0.00436
Opus 5.5 $0.00018 $0.00174
Sonnet 5.5 $0.00009 $0.00087
Haiku 4.5 $0.00005 $0.00044

Measured 2mo ago against content hash 70dc7efe778f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

fullstack-dev 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 2mo 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/fullstack-dev.md · 79 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. 2mo ago First seen · 79 lines · 45 tokens per session scan A 70dc7efe778f

Subscribe to this mod's changes

fullstack-dev is an agent published in the GitHub repository hydershah/nextjs-ai-template (1 stars, last pushed 11mo ago), with no licence file. It adds 45 tokens to every session and 436 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 2026-08-31.

Related

fullstack-dev compared with agents from other repositories

fullstack-dev next to 6 agents from other repositories
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dotnet-architecture-reviewerStefanTheCode/dotnet-ai-toolkitAgent262mo agoMITA102Claude Code