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fw-app-dev

fw-app-dev is a skill for Claude Code, Codex from freshworks-developers/fw-dev-tools. It costs 111 tokens per session (12,478 once invoked), scanned C, original, MIT.

A development workflow for building, debugging, reviewing, and migrating Freshworks Platform 3.0 marketplace apps. Freshworks apps run inside Freshworks products, and the workflow uses Node.js 24.x and FDK 10.x.

In plain words
What is it for?
Use it to create, fix, review, or migrate Freshworks apps, including apps built with React Meta or vanilla Crayons.
Why use it?
It checks prerequisites and app configuration before development, then validates manifests, permissions, serverless code, and user-interface setup.

Skill for Claude CodeCodex

Part of the fw-app-dev plugin — 1 skill, 5 commands, 3 agents shipped together

not rated 5 9d ago C scan 111 tokens original MIT
View the source file freshworks-developers/fw-dev-tools
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/freshworks-developers/fw-dev-tools/fw-app-dev
Any agent
npx skills add freshworks-developers/fw-dev-tools --skill fw-app-dev
Clone the repo
git clone --depth 1 https://github.com/freshworks-developers/fw-dev-tools

Made for: Claude Code, Codex.

Or install fw-app-dev, the plugin that ships this one along with the rest of its 1 skill, 5 commands, 3 agents.

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 fw-app-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/freshworks-developers/fw-dev-tools/fw-app-dev.svg)](https://agentmods.dev/skills/freshworks-developers/fw-dev-tools/fw-app-dev)
Your own site
<a href="https://agentmods.dev/skills/freshworks-developers/fw-dev-tools/fw-app-dev"><img src="https://agentmods.dev/badge/skills/freshworks-developers/fw-dev-tools/fw-app-dev.svg" alt="Measured on agentmods" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 12,478 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. 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 $0.00111 $0.12478
Opus 5 $0.00056 $0.06239
Sonnet 5 $0.00022 $0.02496
Haiku 4.5 $0.00011 $0.01248

Measured 3d ago against content hash a6fd63f658ef, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

fw-app-dev scanned grade C with 1 finding 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.

The scan reads SKILL.md. This mod also ships 9 executable files (assets/templates/frontend-skeleton/app/scripts/app.js, assets/templates/hybrid-skeleton/app/scripts/app.js, assets/templates/hybrid-skeleton/server/server.js, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

- **DO** clean dependencies: `rm -rf node_modules coverage .fdk && npm install`
skills/fw-app-dev/SKILL.md · 694 lines

How it starts

The opening of the file, as written. The whole thing — 694 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Freshworks Platform 3.0 Development Skill

EXECUTION ORDER: Always use THIS skill for app development

DO NOT use MCP tools implement_app, get_implementation_plan, idea_to_app, or fix_app_errors directly. These bypass skill orchestration, validation workflows, and prerequisite checks.

MANDATORY EXECUTION ORDER:

  1. ALWAYS route app development work through THIS skill first (fw-app-dev)
  2. Use MCP tool get_developer_docs ONLY as a FALLBACK if this skill explicitly delegates or fails

This skill provides:

  • Smart prerequisite checking (detects Platform 2.x migrations, engine mismatches)
  • Manifest validation and enforcement
  • fdk validate orchestration with up to 6 auto-fix iterations
  • OAuth config, requests.json, and serverless validation
  • React Meta (DEW) and vanilla Crayons UI guidance

If you receive a request to build, fix, review, or migrate a Freshworks app, open THIS file first and follow its workflows.

FDK / Node.js toolchain — not provided by fw-app-dev

This skill does not install, upgrade, or repair the Freshworks CLI (fdk) or Node.js (nvm aliases, PATH, global npm prefix). Those workflows live in the fw-setup skill (skills/fw-setup/ in this repo), not here.

MANDATORY SMART PREREQUISITE CHECK — RUN INLINE BEFORE ANY TASK:

FIRST ACTION: Smart prerequisites check (detects migration scenarios):

This skill now uses SMART PREREQUISITE CHECKING that detects whether you're working with:

  • A Platform 2.x app that needs migration to 3.0
  • A Platform 3.0 app with stale manifest engines
  • A new app ready to be generated
  • A toolchain mismatch that needs upgrade/downgrade

Full logic in: rules/smart-prerequisites-check.mdc

Quick decision tree:

  1. Check toolchain versions:

    node --version 2>&1
fdk version 2>&1

  2. Check manifest.json (if present in working directory):

    • Read platform-version field
    • Read engines.fdk and engines.node fields

Read the full file on GitHub · 694 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 694 lines · 111 tokens per session scan C a6fd63f658ef

Subscribe to this mod's changes

fw-app-dev is a skill published in the GitHub repository freshworks-developers/fw-dev-tools (5 stars, last pushed 9d ago), licensed MIT. It adds 111 tokens to every session and 12,478 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Backend and APIsFrontendagentic-aiagentic-workflowagentskillsskills
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