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MCP_DinCoder copilot-instructions.md

A set of instructions and tools for spec-driven development, where you describe and validate what to build before making an implementation plan. It organizes specifications, clarifications, plans, and tasks in a `.dincoder/` directory.

In plain words
What is it for?
It helps initialize a project, write and refine specifications, check the plan against them, create task lists, inspect dependencies, search and filter tasks, and track progress.
Why use it?
It reduces unclear requirements and mismatches between what a project should do and how it will be built.

Instructions file for GitHub Copilot

2 10mo ago A scan 749 tokens original MIT
View the source file flight505/MCP_DinCoder
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 instructions/flight505/mcp_dincoder/copilot-instructions
Clone the repo
git clone --depth 1 https://github.com/flight505/MCP_DinCoder

Made for: GitHub Copilot.

Per session 749 This file is loaded in full into every session.
When invoked 749 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 $0.00749 $0.00749
Opus 5 $0.00375 $0.00375
Sonnet 5 $0.00150 $0.00150
Haiku 4.5 $0.00075 $0.00075

Measured 2d ago against content hash 968979068881, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

MCP_DinCoder 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 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.

templates/vscode/.github/copilot-instructions.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DinCoder Spec-Driven Development

This project uses DinCoder for spec-driven development workflows.

MCP Tools Available

The DinCoder MCP server provides tools for structured development:

Project Initialization

  • specify_start - Initialize .dincoder/ directory
  • prereqs_check - Verify environment setup

Specification Phase

  • specify_describe - Create detailed specification
  • spec_validate - Check specification quality
  • spec_refine - Update specific sections
  • clarify_add/resolve/list - Manage clarifications

Planning Phase

  • plan_create - Generate technical implementation plan
  • artifacts_analyze - Verify spec-plan alignment

Task Management

  • tasks_generate - Create actionable task list
  • tasks_visualize - Show dependency graphs (Mermaid/Graphviz/ASCII)
  • tasks_filter - Smart filtering (next, frontend, backend, ready, cleanup)
  • tasks_search - Fuzzy search across tasks
  • tasks_stats - Progress analytics and charts
  • tasks_tick - Mark single task complete
  • tasks_tick_range - Batch completion (T001-T005 syntax)

Workflow

  1. Specify - Define what to build

    • Run specify_start to initialize
    • Run specify_describe to create spec.md
    • Run spec_validate to ensure quality

  2. Plan - Design how to build it

    • Run plan_create to generate plan.md
    • Run artifacts_analyze to verify alignment

  3. Execute - Build following tasks

    • Run tasks_generate to create tasks.md
    • Run tasks_filter with preset "next" to see actionable items
    • Mark complete with tasks_tick or tasks_tick_range

  4. Track - Monitor progress

    • Run tasks_stats for progress analytics
    • Run tasks_visualize for dependency graphs

MCP Prompts (Slash Commands)

Use these slash commands in Copilot Chat (agent mode):

  • /mcp.dincoder.start_project - Initialize new project
  • /mcp.dincoder.create_spec - Create specification
  • /mcp.dincoder.generate_plan - Generate implementation plan
  • /mcp.dincoder.create_tasks - Generate task list
  • /mcp.dincoder.review_progress - View progress report
  • /mcp.dincoder.validate_spec - Check spec quality
  • /mcp.dincoder.next_tasks - Show next actionable tasks

Read the full file on GitHub · 98 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. 2d ago First seen · 98 lines · 749 tokens per session scan A 968979068881

Subscribe to this mod's changes

MCP_DinCoder copilot-instructions.md is an instructions file published in the GitHub repository flight505/MCP_DinCoder (2 stars, last pushed 10mo ago), licensed MIT. It adds 749 tokens to every session, about $0.0037 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.

PlanningResearch
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