api-guidelines

api-guidelines is a cursor rule for Cursor from swadhinsekhar/cursor-rules-golang. It costs 0 tokens per session (960 once invoked), scanned A, original, no licence file.

Rules for developing Go APIs, including guidance on security, scalability, maintainability, handlers, and middleware. A Go API is a service written in Go that other programs can call.

In plain words
What is it for?
Use it when designing Go API handlers and middleware, reviewing API security, or planning for larger usage and easier maintenance.
Why use it?
It helps teams structure API code consistently and avoid common security and maintenance problems.

Cursor rule for Cursor

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 rules/swadhinsekhar/cursor-rules-golang/api-guidelines
Clone the repo
git clone --depth 1 https://github.com/swadhinsekhar/cursor-rules-golang

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 api-guidelines

README.md
[![agentmods](https://agentmods.dev/badge/rules/swadhinsekhar/cursor-rules-golang/api-guidelines.svg)](https://agentmods.dev/rules/swadhinsekhar/cursor-rules-golang/api-guidelines)
Your own site
<a href="https://agentmods.dev/rules/swadhinsekhar/cursor-rules-golang/api-guidelines"><img src="https://agentmods.dev/badge/rules/swadhinsekhar/cursor-rules-golang/api-guidelines.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 960 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 $0.00000 $0.00960
Opus 5 $0.00000 $0.00480
Sonnet 5 $0.00000 $0.00192
Haiku 4.5 $0.00000 $0.00096

Measured 4d ago against content hash b25a4e27fdf1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

api-guidelines 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 4d 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/api-guidelines.mdc · 175 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. 4d ago First seen · 175 lines · 0 tokens per session scan A b25a4e27fdf1

Subscribe to this mod's changes

api-guidelines is a cursor rule published in the GitHub repository swadhinsekhar/cursor-rules-golang (4 stars, last pushed 1y ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 960 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.