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concurrency-review

concurrency-review is an agent for Claude Code from jhoblitt/skill-review-claude. It costs 52 tokens per session (125 once invoked), scanned A, original, Apache-2.0.

An agent that checks whether a procedure's order of operations matches the dependencies between its tasks. It is a focused check for concurrency, meaning which work can safely happen at the same time.

In plain words
What is it for?
It is for running the concurrency check within skill-review or performing that check directly on a specified target.
Why use it?
It helps reveal instructions that force independent work to run one item at a time or otherwise use the wrong task order.

Agent for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: model in frontmatter.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the skill-review plugin — 1 skill, 4 agents shipped together

not rated 2repo 24d ago A scan 52 tokens original Apache-2.0

Good fit It is for running the concurrency check within skill-review or performing that check directly on a specified target.

Compare 6 agents from other repositories ↓
View source ↗ jhoblitt/skill-review-claude
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add jhoblitt/skill-review-claude
Claude Code
/plugin install skill-review

Made for: Claude Code.

Or install skill-review, the plugin that ships this one along with the rest of its 1 skill, 4 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 concurrency-review

README.md
[![agentmods](https://agentmods.dev/badge/agents/jhoblitt/skill-review-claude/concurrency-review/github.svg)](https://agentmods.dev/agents/jhoblitt/skill-review-claude/concurrency-review)
Your own site
<a href="https://agentmods.dev/agents/jhoblitt/skill-review-claude/concurrency-review"><img src="https://agentmods.dev/badge/agents/jhoblitt/skill-review-claude/concurrency-review/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 concurrency-review

Your own site · 80×15
<a href="https://agentmods.dev/agents/jhoblitt/skill-review-claude/concurrency-review"><img src="https://agentmods.dev/badge/agents/jhoblitt/skill-review-claude/concurrency-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 125 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00052 $0.00125
Opus 5.5 $0.00021 $0.00050
Sonnet 5.5 $0.00010 $0.00025
Haiku 4.5 $0.00005 $0.00013

Measured 2mo ago against content hash 80acf3d1cbbb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

concurrency-review 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.

plugins/skill-review/agents/concurrency-review.md · 11 lines

What it actually says

Read ${CLAUDE_PLUGIN_ROOT}/skills/skill-review/SKILL.md and ${CLAUDE_PLUGIN_ROOT}/skills/skill-review/references/concurrency.md, and run that axis under them over the target your dispatch names.

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 · 11 lines · 52 tokens per session scan A 80acf3d1cbbb

Subscribe to this mod's changes

concurrency-review is an agent published in the GitHub repository jhoblitt/skill-review-claude (2 stars, last pushed 24d ago), licensed Apache-2.0. It adds 52 tokens to every session and 125 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.

Building agentsCode review
Related

concurrency-review compared with agents from other repositories

concurrency-review next to 6 agents from other repositories
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