A guided workflow for creating specialist agent files for Claude Code, an AI coding tool. The files describe roles such as backend developer, tester, security reviewer, or system architect and are tailored to a project's technology and conventions.

Use it to generate agents for coding, testing, reviewing, security, performance, or architecture work. The files are placed in the project's `.claude/agents/` directory for Claude Code to use.

Generic AI instructions may not fit a team's programming languages, tools, or working practices. This workflow gathers that context before creating a more specific agent.

summon — Skill for Claude Code and Codex by secondorderai/summon-skill

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 secondorderai/summon-skill --skill summon

Clone the repo

git clone --depth 1 https://github.com/secondorderai/summon-skill

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/secondorderai/summon-skill/summon/github.svg)](https://agentmods.dev/skills/secondorderai/summon-skill/summon)

Your own site

<a href="https://agentmods.dev/skills/secondorderai/summon-skill/summon"><img src="https://agentmods.dev/badge/skills/secondorderai/summon-skill/summon/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/secondorderai/summon-skill/summon"><img src="https://agentmods.dev/badge/skills/secondorderai/summon-skill/summon.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 194 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,996 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.

Model	Per session	Once invoked
Fable 5.1	$0.00194	$0.04996
Opus 5.5	$0.00078	$0.01998
Sonnet 5.5	$0.00039	$0.00999
Haiku 4.5	$0.00019	$0.00500

Measured 1mo ago against content hash 2fcaf9273bb3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

summon 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.

The scan reads SKILL.md. This mod also ships 2 executable files (agent-writer.sh, project-scanner.sh), 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.

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/summon/SKILL.md · 569 lines

How it starts

The opening of the file, as written. The whole thing — 569 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agency Skill Creator

A skill for generating bespoke, stack-aware Claude Code agent files through a progressive interview process. Each generated agent is a specialized AI persona with identity, personality, mission, critical rules, concrete code patterns, workflows, and success metrics — designed to be autonomously picked up by Claude Code from the project-local .claude/agents/ directory.

Why This Skill Exists

Generic agent templates are too broad to be useful. A "backend architect" agent that speaks Express.js is useless in a Hono + Drizzle + Cloudflare Workers codebase. This skill generates agents from first principles: it understands your stack, your conventions, your pain points, and produces agents that speak your language and enforce your standards.

How It Works

The skill follows a progressive interview flow:

Role Selection — What kind of specialist does the user need?
Stack Discovery — What technologies, patterns, and conventions define this project?
Domain Drilling — Role-specific questions that shape the agent's expertise
Generation — Produce the agent .md file with full structure
Composition (optional) — Generate an orchestrator agent that coordinates a team

Progressive Interview Flow

Phase 1: Role Selection

Ask the user what role they need. Present the three categories:

Engineering Roles:

Backend Engineer
Frontend Engineer
Fullstack Engineer
AI/ML Engineer
DevOps / Infrastructure Engineer
Data Engineer

Quality Roles:

QA Engineer / Test Specialist
Security Auditor
Code Reviewer
Performance Engineer

Product & Architecture Roles:

System Architect
Tech Lead
API Designer

If the user describes something that doesn't fit these categories, derive the closest match and confirm. The categories are guidelines, not constraints — the user might want a "Database Migration Specialist" or "Observability Engineer" and that's perfectly valid.

Phase 2: Stack Discovery

Read the full file on GitHub · 569 lines

Files

What ships with it

4 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.

1mo ago First seen · 569 lines · 194 tokens per session scan A 2fcaf9273bb3

Subscribe to this mod's changes

summon is a skill published in the GitHub repository secondorderai/summon-skill (1 stars, last pushed 6mo ago), licensed MIT. It adds 194 tokens to every session and 4,996 once invoked, about $0.0008 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.

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