agentmods.dev

search-engine-core: Instructions file for GitHub Copilot

.github/instructions/project-context.instructions.md

search-engine-core project-context.instructions.md is an instructions file for GitHub Copilot from hatefsystems/search-engine-core. It costs 252 tokens per session, scanned A, original, Apache-2.0.

A project guide for a C++ search engine that uses uWebSockets, MongoDB, Redis, Docker, web crawling, and browser rendering. MongoDB is a document database, while Redis is an in-memory data store.

In plain words
What is it for?
Use it when working on controllers, storage, crawling, browser rendering, logging, API documentation, templates, or static files.
Why use it?
It records important project-wide rules that help prevent crashes, corrupted database updates, and incorrect service setup.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is hatefsystems/search-engine-core's own configuration. It tells GitHub Copilot how to work on search-engine-core itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything search-engine-core configures →

not rated 5repo yesterday A scan 252 tokens original Apache-2.0
View source ↗ hatefsystems/search-engine-core hatef.ir
Reuse

Borrowing it

Nothing to install: this file belongs to hatefsystems/search-engine-core. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/hatefsystems/search-engine-core/master/.github/instructions/project-context.instructions.md
Clone the repo
git clone --depth 1 https://github.com/hatefsystems/search-engine-core

Made for: GitHub Copilot.

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 search-engine-core project-context.instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/hatefsystems/search-engine-core/project-context/github.svg)](https://agentmods.dev/instructions/hatefsystems/search-engine-core/project-context)
Your own site
<a href="https://agentmods.dev/instructions/hatefsystems/search-engine-core/project-context"><img src="https://agentmods.dev/badge/instructions/hatefsystems/search-engine-core/project-context/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 search-engine-core project-context.instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/hatefsystems/search-engine-core/project-context"><img src="https://agentmods.dev/badge/instructions/hatefsystems/search-engine-core/project-context.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 252 This file is loaded in full into every session.
When invoked 252 The same file — it is already loaded in full.
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 $0.00252 $0.00252
Opus 5.5 $0.00101 $0.00101
Sonnet 5.5 $0.00050 $0.00050
Haiku 4.5 $0.00025 $0.00025

Measured 2mo ago against content hash 210006bf9033, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

search-engine-core project-context.instructions.md 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.

.github/instructions/project-context.instructions.md · 27 lines

What it actually says

Search Engine Core - Project Context

This is a high-performance search engine built with C++, uWebSockets, MongoDB, and Redis. Docker for containerization; features include web crawling, SPA rendering, and sponsor management.

Critical Reminders

  1. MongoDB: Use MongoDBInstance::getInstance() before creating any client; never create clients without it.
  2. uWebSockets: Every res->onData() MUST be paired with res->onAborted() to prevent crashes.
  3. Controllers: Use lazy initialization — NEVER initialize services in controller constructors.
  4. Debug: Use LOG_DEBUG() instead of std::cout; configure via LOG_LEVEL environment variable.
  5. MongoDB updates: Use basic builder with .extract() for complex updates; stream builder causes data corruption.

Important Paths

  • Controllers: src/controllers/
  • Storage: src/storage/
  • Headers: include/
  • MongoDB singleton: include/mongodb.h
  • API docs: docs/api/
  • Templates: templates/
  • Static files: public/
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 · 27 lines · 252 tokens per session scan A 210006bf9033

Subscribe to this mod's changes

search-engine-core project-context.instructions.md is an instructions file published in the GitHub repository hatefsystems/search-engine-core (5 stars, last pushed yesterday), licensed Apache-2.0. It adds 252 tokens to every session, about $0.0010 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.

c-plus-plushatefsearch-engine
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