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velocity.report: Instructions file for GitHub Copilot

.github/copilot-instructions.md

velocity.report copilot-instructions.md is an instructions file for GitHub Copilot from banshee-data/velocity.report. It costs 1,185 tokens per session, scanned A, original, Apache-2.0.

Project instructions for GitHub Copilot in a privacy-focused traffic-monitoring system. They describe the project's rules, components, programming languages, and required quality checks.

In plain words
What is it for?
Use them when asking Copilot to work on the Go server, Svelte and TypeScript web interface, SQLite database, reports, or other listed components.
Why use it?
They give Copilot the project context and constraints needed to make changes that fit the system, such as local data handling and required validation.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file. Also seen: mentions AGENTS.md.

This is banshee-data/velocity.report's own configuration. It tells GitHub Copilot how to work on velocity.report 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 velocity.report configures →

not rated 11repo changed 1mo ago A scan 1,185 tokens original Apache-2.0
View source ↗ banshee-data/velocity.report velocity.report
Reuse

Borrowing it

Nothing to install: this file belongs to banshee-data/velocity.report. 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/banshee-data/velocity.report/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/banshee-data/velocity.report

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 velocity.report copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/banshee-data/velocity.report/copilot-instructions/github.svg)](https://agentmods.dev/instructions/banshee-data/velocity.report/copilot-instructions)
Your own site
<a href="https://agentmods.dev/instructions/banshee-data/velocity.report/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/banshee-data/velocity.report/copilot-instructions/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 velocity.report copilot-instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/banshee-data/velocity.report/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/banshee-data/velocity.report/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,185 This file is loaded in full into every session.
When invoked 1,185 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 $0.01185 $0.01185
Opus 5.5 $0.00474 $0.00474
Sonnet 5.5 $0.00237 $0.00237
Haiku 4.5 $0.00119 $0.00119

Measured 1mo ago against content hash bfa36d031f0b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

velocity.report copilot-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 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.

.github/copilot-instructions.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

velocity.report Development Guidelines

Canonical knowledge lives in .github/knowledge/. This file summarises the essentials that every Copilot interaction needs. For deeper detail, read the referenced module.

Read AGENTS.md for repository-wide agent instructions before making changes.

Tenets

See TENETS.md for the full project constitution. The short version:

  1. Privacy above all — no cameras, no licence plates, no PII, local-only data
  2. Protect the vulnerable — safety for people who walk, cycle, and play
  3. Evidence over opinion — measured data, not anecdote
  4. Local-first — Raspberry Pi, SQLite, offline-capable; optional remote map/prior fetches must be explicit opt-in
  5. Simplicity and durability — smallest change that solves the problem
  6. DRY — every fact has one canonical source

Project Overview

velocity.report is a privacy-focused traffic monitoring system for neighbourhood change-makers.

Component Language Location
Server Go cmd/, internal/
PDF reports Go + Typst internal/report/
Web frontend Svelte/TypeScript web/
macOS visualiser Swift/Metal tools/visualiser-macos/
Database SQLite local file
Docs site Eleventy public_html/
PDF pipeline Go internal/report/

Deployment: Raspberry Pi 4 (ARM64 Linux), systemd service, local-only.

For full architecture, tech stack, data flow, and schema: see knowledge/architecture.md.

Quality Gate (Mandatory)

Every commit must pass:

make lint      # Check all code formatting
make format    # Auto-format all code
make test      # Run all test suites

Validation Protocol

Read the full file on GitHub · 100 lines

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 Changed · +2 lines · +20 tokens per session bfa36d031f0b
  2. 1mo ago First seen · 98 lines · 1,165 tokens per session scan A adc0c24080e7

Subscribe to this mod's changes

velocity.report copilot-instructions.md is an instructions file published in the GitHub repository banshee-data/velocity.report (11 stars, last pushed today), licensed Apache-2.0. It adds 1,185 tokens to every session, about $0.0047 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 2026-09-25.

Building agentsGoLanguagesTypeScriptlidarradarroad-safetystreet-safetytraffic-analysisurban-analytics
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