agenticx-agent-builder

agenticx-agent-builder is a skill for Claude Code, Codex from DemonDamon/AgenticX. It costs 54 tokens per session (894 once invoked), scanned A, original, Apache-2.0.

A guide for creating a persistent digital avatar on the Near desktop, where the avatar appears in the sidebar and represents a chosen role or specialist.

In plain words
What is it for?
Use it to define the avatar’s job, audience, subject coverage, and working style, then create it in the Near avatar registry.
Why use it?
It turns a role description into a reusable desktop assistant instead of leaving the setup as an informal prompt or document.

Skill for Claude CodeCodex

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/demondamon/agenticx/agenticx-agent-builder
Any agent
npx skills add DemonDamon/AgenticX --skill agenticx-agent-builder
Clone the repo
git clone --depth 1 https://github.com/DemonDamon/AgenticX

Made for: Claude Code, Codex.

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 agenticx-agent-builder

README.md
[![agentmods](https://agentmods.dev/badge/skills/demondamon/agenticx/agenticx-agent-builder.svg)](https://agentmods.dev/skills/demondamon/agenticx/agenticx-agent-builder)
Your own site
<a href="https://agentmods.dev/skills/demondamon/agenticx/agenticx-agent-builder"><img src="https://agentmods.dev/badge/skills/demondamon/agenticx/agenticx-agent-builder.svg" alt="Measured on agentmods" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 894 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 $0.00054 $0.00894
Opus 5 $0.00027 $0.00447
Sonnet 5 $0.00011 $0.00179
Haiku 4.5 $0.00005 $0.00089

Measured today against content hash 6b4f237ea085, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

agenticx-agent-builder 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 today.

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.

agenticx/skills/agenticx-agent-builder/SKILL.md · 104 lines

How it starts

The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Near Digital Avatar Builder

Help the user create a persistent desktop digital avatar (数字分身) that appears in the Near sidebar avatar list.

Hard rules

  1. Must call create_avatar after clarifying and distilling the config. That tool writes the avatar into the registry and makes it appear in the sidebar.
  2. Do NOT only write a Markdown file to Desktop / workspace and claim the avatar is created.
  3. Do NOT tell the user there is "no create-avatar API" — create_avatar is the API.
  4. Do NOT ask the user to open「+ 新建」and fill the manual form unless they explicitly want the GUI.
  5. Do NOT invent Python SDK / AgentExecutor / agx agent create workflows for this task — those are code-layer agents, not Near desktop avatars.

Interview flow (2–3 rounds, not a long questionnaire)

Ask only what is still missing. Prefer short choices (clarification / show_widget) over open essays.

Round 1 — Positioning

  • What should this avatar own? (domain / job)
  • Who is it for? (usually the current user)

Round 2 — Scope & style

  • Coverage (markets, stacks, products, languages…)
  • Analysis / work style (trading vs research, concise vs thorough, etc.)

Round 3 — Boundaries (only if needed)

  • Risk preference / what it must never do
  • Preferred output structure
  • Optional default model

Stop early when you already have enough to write a solid name / role / system_prompt.

Distill into these fields

Field Meaning Example
name Short character-like display name 飞廉
role One-line positioning 进取型全市场交易分析师
system_prompt Full behavior contract See template below
default_provider / default_model Optional; omit to inherit global default

system_prompt should include

  • Identity & coverage
  • Analysis / work priorities
  • Risk preference & hard boundaries
  • Data discipline (no fabricated numbers / facts)
  • Output style & fixed structure when useful
  • Disclaimer when the domain needs one (finance, medical, legal, etc.)

Read the full file on GitHub · 104 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. today Changed 6b4f237ea085
  2. 5d ago First seen · 104 lines · 54 tokens per session scan A 42e0560cbdce

Subscribe to this mod's changes

agenticx-agent-builder is a skill published in the GitHub repository DemonDamon/AgenticX (227 stars, last pushed today), licensed Apache-2.0. It adds 54 tokens to every session and 894 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 2026-08-30.