langgraph

langgraph is a skill for OpenCode from chujian66688/Tuling-Ai. It costs 53 tokens per session (3,152 once invoked), scanned A, original, no licence file.

A guide to LangGraph, a framework for building AI applications whose steps, shared data, and decisions persist over time. It covers applications with several collaborating agents or steps that can repeat or branch.

In plain words
What is it for?
It helps build graphs, manage state, add save points, handle human review, create loops and branches, and implement the ReAct pattern, where an AI alternates between reasoning and taking actions.
Why use it?
It helps developers design these applications without losing track of their current state, saved data, human approvals, or transitions between steps.

Skill for OpenCode

Written for OpenCode: installed under .opencode/.

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/chujian66688/tuling-ai/langgraph
Any agent
npx skills add chujian66688/Tuling-Ai --skill langgraph
Clone the repo
git clone --depth 1 https://github.com/chujian66688/Tuling-Ai

Made for: OpenCode.

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 langgraph

README.md
[![agentmods](https://agentmods.dev/badge/skills/chujian66688/tuling-ai/langgraph.svg)](https://agentmods.dev/skills/chujian66688/tuling-ai/langgraph)
Your own site
<a href="https://agentmods.dev/skills/chujian66688/tuling-ai/langgraph"><img src="https://agentmods.dev/badge/skills/chujian66688/tuling-ai/langgraph.svg" alt="Measured on agentmods" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,152 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00053 $0.03152
Opus 5 $0.00026 $0.01576
Sonnet 5 $0.00011 $0.00630
Haiku 4.5 $0.00005 $0.00315

Measured 6d ago against content hash c208e453c478, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

langgraph 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 6d 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.

.opencode/skills/langgraph/SKILL.md · 506 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 6d ago First seen · 506 lines · 53 tokens per session scan A c208e453c478

Subscribe to this mod's changes

langgraph is a skill published in the GitHub repository chujian66688/Tuling-Ai (58 stars, last pushed 9d ago), with no licence file. It adds 53 tokens to every session and 3,152 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.

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