agent_spawn

agent_spawn is a skill for Claude Code, Codex from ParendumOU/Nexora. It costs 0 tokens per session (166 once invoked), scanned A, original, MIT.

A tool for starting specialized AI sub-agents to work on separate parts of a task at the same time. Each sub-agent receives its own self-contained instructions and context.

In plain words
What is it for?
Use it for parallel research and coding tasks, specialist work, or other independent jobs, then combine the completed results.
Why use it?
It helps divide independent workstreams and keeps long-running tasks from blocking the main conversation.

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/parendumou/nexora/agent_spawn
Any agent
npx skills add ParendumOU/Nexora --skill agent_spawn
Clone the repo
git clone --depth 1 https://github.com/ParendumOU/Nexora

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 agent_spawn

README.md
[![agentmods](https://agentmods.dev/badge/skills/parendumou/nexora/agent_spawn.svg)](https://agentmods.dev/skills/parendumou/nexora/agent_spawn)
Your own site
<a href="https://agentmods.dev/skills/parendumou/nexora/agent_spawn"><img src="https://agentmods.dev/badge/skills/parendumou/nexora/agent_spawn.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 166 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 $0.00000 $0.00166
Opus 5 $0.00000 $0.00083
Sonnet 5 $0.00000 $0.00033
Haiku 4.5 $0.00000 $0.00017

Measured 3d ago against content hash a916ae30b13e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

agent_spawn 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 3d 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.

backend/src/seeds/skills/builtin/agent_spawn/SKILL.md · 20 lines

What it actually says

Agent Spawn

Spawn specialized sub-agents → handle independent workstreams in parallel.

When to use

  • Multiple independent tasks, no mutual blocking
  • Specialization needed (e.g. research agent + coding agent)
  • Long-running tasks must not block main conversation

Usage

  • Write clear, self-contained prompt per sub-agent
  • Include all context — sub-agent has no memory of parent conversation
  • Wait for all sub-agents complete → synthesize results
  • Handle failures gracefully — sub-agent failure must not crash parent

Example

[{"name": "task_create", "args": {"title": "Research open bugs", "description": "Find all open GitHub issues labeled 'bug' in repo X", "assigned_agent_id": "AGENT_ID"}}]
Files

What ships with it

1 file 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 · 20 lines · 0 tokens per session scan A a916ae30b13e

Subscribe to this mod's changes

agent_spawn is a skill published in the GitHub repository ParendumOU/Nexora (19 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 166 tokens. 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.

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