cursorrules

Project instructions for SEOAgent, an open-source search-engine-optimisation toolkit. They describe its TypeScript pnpm monorepo, where several related packages share one repository, and its test-first workflow.

In plain words
What is it for?
Adding features, writing tests first, building the project, and working with its command-line tool, MCP server, or local web dashboard.
Why use it?
They help an agent find the main business logic, follow the project structure, and run the expected build and tests.

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/yagomp/seoagent/cursorrules
Clone the repo
git clone --depth 1 https://github.com/yagomp/seoagent

Made for: Cursor.

Per session 209 This file is loaded in full into every session.
When invoked 209 The same file — it is already loaded in full.
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 $0.00209 $0.00209
Opus 5 $0.00105 $0.00105
Sonnet 5 $0.00042 $0.00042
Haiku 4.5 $0.00021 $0.00021

Measured 2d ago against content hash 94ffad0e19ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

cursorrules 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 2d 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.

.cursorrules · 20 lines

What it actually says

This is SEOAgent, an open-source agent-first SEO toolkit.

Architecture: TypeScript pnpm monorepo with 4 packages.

  • packages/core/ — ALL business logic lives here. Start here for any feature.
  • packages/cli/ — commander.js CLI, thin wrapper over core
  • packages/mcp/ — MCP server (24 tools), thin wrapper over core
  • packages/dashboard/ — Vite + React + Tailwind local web UI

Key files:

  • packages/core/src/index.ts — barrel export (public API)
  • packages/core/src/types.ts — shared types
  • packages/core/src/schema.ts — SQLite schema (9 tables)
  • packages/core/src/tests/ — all core tests (231 tests)

Workflow: TDD. Write test first, implement, verify, export from index.ts. Tests use vitest with globals. Mock HTTP calls, use SEOAGENT_HOME env var for temp dirs. Build: pnpm build. Test: pnpm test.

See AGENTS.md for full function reference and patterns.

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. 2d ago First seen · 20 lines · 209 tokens per session scan A 94ffad0e19ce

Subscribe to this mod's changes

cursorrules is a cursor rule published in the GitHub repository yagomp/seoagent (0 stars, last pushed 4mo ago), licensed MIT. It adds 209 tokens to every session, about $0.0010 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 2026-08-31.