logging-standards

A set of coding rules for recording messages through the Operative Control Center logging system instead of using print statements.

In plain words
What is it for?
It helps developers add startup, success, error, warning, debug, interaction, network, and completion logs to the Operative codebase.
Why use it?
It keeps production logs in one dashboard, where they can be grouped by emoji category and copied for debugging.

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/refreshdotdev/web-eval-agent/logging-standards
Clone the repo
git clone --depth 1 https://github.com/refreshdotdev/web-eval-agent

Made for: Cursor.

Per session 444 This file is loaded in full into every session.
When invoked 444 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 $0.00444 $0.00444
Opus 5 $0.00222 $0.00222
Sonnet 5 $0.00089 $0.00089
Haiku 4.5 $0.00044 $0.00044

Measured yesterday against content hash 5323509de670, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

logging-standards 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 yesterday.

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/logging-standards.mdc · 66 lines

What it actually says

Operative Control Center Logging Standards

When working with the Operative codebase, follow these logging practices:

Core Logging Principle

  • NEVER use print() statements for logging in production code
  • Always use the send_log() function from the log server module for all logs

Importing the Log Function

from webEvalAgent.src.log_server import send_log

Basic Usage Pattern

# ❌ Don't do this
print("Some message")

# ✅ Do this instead
send_log("Some message", "➡️")  # Second parameter is the emoji prefix

Emoji Usage Guidelines

Use appropriate emojis as the second parameter to categorize logs:

  • 🚀 - Initialization/startup
  • ✅ - Successful operation
  • ❌ - Error
  • ⚠️ - Warning
  • 🔍 - Debug information
  • 🖱️ - User interactions
  • 🖥️ - Console logs
  • 🔗 - URL/navigation related
  • ➡️ - Network request
  • ⬅️ - Network response
  • 📝 - Information/notes
  • 🏁 - Completion/final state

If a request is not one of these, find an emoji that fits!

Benefits of the Logging System

  • All logs are visible in the Operative Control Center dashboard
  • Logs are organized and categorized with emojis
  • Users can easily copy logs for debugging
  • Logging doesn't interfere with MCP server stdout/stderr

Example

# Function that performs some operation
def perform_operation():
    send_log("Starting operation", "🚀")
    try:
        # Do something
        result = process_data()
        send_log(f"Operation completed with result: {result}", "✅")
        return result
    except Exception as e:
        send_log(f"Error during operation: {e}", "❌")
        raise

Always ensure logs are meaningful and provide context that helps with debugging or understanding the system state.

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. yesterday First seen · 66 lines · 444 tokens per session scan A 5323509de670

Subscribe to this mod's changes

logging-standards is a cursor rule published in the GitHub repository refreshdotdev/web-eval-agent (1,240 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 444 tokens to every session, about $0.0022 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.