evals

evals is a cursor rule for Cursor from naoufalelh/cursor-langgraph-starter. It costs 0 tokens per session (755 once invoked), scanned A, original, no licence file.

A set of rules for writing evaluations with LangGraph and LangSmith. LangGraph is a framework for building agent workflows, while LangSmith helps test and inspect them.

In plain words
What is it for?
Creating and reviewing tests or evaluation code for LangGraph applications using LangSmith.
Why use it?
It gives evaluation work a consistent approach when checking whether agent workflows behave as expected.

Cursor rule for Cursor

Written for Cursor: installed under .cursor/.

Good fit Creating and reviewing tests or evaluation code for LangGraph applications using LangSmith.

Compare 6 cursor rules from other repositories ↓
Install with agentmods
npx agentmods add rules/naoufalelh/cursor-langgraph-starter/evals
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.

Clone the repo
git clone --depth 1 https://github.com/naoufalelh/cursor-langgraph-starter

Made for: Cursor.

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 evals

README.md
[![agentmods](https://agentmods.dev/badge/rules/naoufalelh/cursor-langgraph-starter/evals/github.svg)](https://agentmods.dev/rules/naoufalelh/cursor-langgraph-starter/evals)
Your own site
<a href="https://agentmods.dev/rules/naoufalelh/cursor-langgraph-starter/evals"><img src="https://agentmods.dev/badge/rules/naoufalelh/cursor-langgraph-starter/evals/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 evals

Your own site · 80×15
<a href="https://agentmods.dev/rules/naoufalelh/cursor-langgraph-starter/evals"><img src="https://agentmods.dev/badge/rules/naoufalelh/cursor-langgraph-starter/evals.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 755 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 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 $0.00000 $0.00755
Opus 5.5 $0.00000 $0.00302
Sonnet 5.5 $0.00000 $0.00151
Haiku 4.5 $0.00000 $0.00076

Measured 1mo ago against content hash 8897f170ca34, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

evals 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.

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.

.cursor/rules/evals.mdc · 133 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. 1mo ago First seen · 133 lines · 0 tokens per session scan A 8897f170ca34

Subscribe to this mod's changes

evals is a cursor rule published in the GitHub repository naoufalelh/cursor-langgraph-starter (2 stars, last pushed 10mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 755 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 2026-08-31.

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