What is teams-mcp copilot-instructions.md?

Coding instructions for a Microsoft Teams MCP server, including its project structure, authentication, read-only mode, commands, and automated checks.

Use them when developing, testing, authenticating, or changing the Teams integration and its Microsoft Graph tools.

They explain how the server is organised and how to work with Teams data safely, including limiting access to reading.

How goddivor/teams-mcp configures GitHub Copilot

Reuse

Borrowing it

Nothing to install: this file belongs to goddivor/teams-mcp. 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/goddivor/teams-mcp/main/.github/copilot-instructions.md

Clone the repo

git clone --depth 1 https://github.com/goddivor/teams-mcp

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/goddivor/teams-mcp/copilot-instructions.svg)](https://agentmods.dev/instructions/goddivor/teams-mcp/copilot-instructions)

Your own site

<a href="https://agentmods.dev/instructions/goddivor/teams-mcp/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/goddivor/teams-mcp/copilot-instructions.svg" alt="Measured on agentmods" height="20"></a>

Per session 1,680 This file is loaded in full into every session.

When invoked 1,680 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 100% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5.1	$0.01680	$0.01680
Opus 5	$0.00840	$0.00840
Sonnet 5	$0.00336	$0.00336
Haiku 4.5	$0.00168	$0.00168

Measured 6d ago against content hash f854e671f5a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

teams-mcp 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 6d 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.

Origin

This is a copy

100% identical to teams-mcp copilot-instructions.md — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.github/copilot-instructions.md · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Copilot Instructions — teams-mcp

Project Overview

MCP (Model Context Protocol) server that bridges AI assistants to Microsoft Teams via the Microsoft Graph API. Published as @floriscornel/teams-mcp on npm. Uses MSAL device-code auth with a file-based token cache (~/.teams-mcp-token-cache.json).

Architecture

src/index.ts — Dual-mode entrypoint: CLI commands (authenticate, check, logout) and MCP server (startMcpServer). Routes via process.argv. Supports --read-only flag and TEAMS_MCP_READ_ONLY env var.
src/services/graph.ts — Singleton GraphService wrapping the Microsoft Graph client. Handles token acquisition (env AUTH_TOKEN or MSAL silent refresh). Exports READ_ONLY_SCOPES and FULL_SCOPES. Has a readOnlyMode property that controls which scopes are requested. All Graph API calls go through graphService.getClient().
src/tools/*.ts — Each file exports a register*Tools(server, graphService, readOnly) function that registers MCP tools via server.tool(name, description, zodSchema, handler). Tools are grouped by domain: auth, users, teams, chats, search. When readOnly is true, write tools are skipped.
src/types/graph.ts — Re-exports @microsoft/microsoft-graph-types and defines project-specific interfaces (GraphApiResponse<T>, *Summary types). All response shapes use optional properties with | undefined to handle Graph API variability.
src/utils/ — Stateless helpers: markdown.ts (Markdown→sanitized HTML via marked+DOMPurify), html-to-markdown.ts (Teams HTML→Markdown via turndown with custom rules for <at>, <attachment>, <systemEventMessage>), attachments.ts (image hosted content), file-upload.ts (file uploads with automatic simple ≤4MB / resumable >4MB split), users.ts (mention processing).
src/msal-cache.ts — File-based ICachePlugin for MSAL token persistence.

Commands

npm run build          # clean + tsc
npm run dev            # tsx watch src/index.ts
npm test               # vitest run
npm run test:watch     # vitest (watch mode)
npm run test:coverage  # vitest with v8 coverage (80% threshold on branches/functions/lines/statements)
npm run lint           # biome check src/
npm run lint:fix       # biome check --write --unsafe src/
npm run format         # biome format --write src/
npm run ci             # biome ci src/ (CI mode)

Read the full file on GitHub · 77 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.

6d ago First seen · 77 lines · 1,680 tokens per session scan A f854e671f5a7

Subscribe to this mod's changes

teams-mcp copilot-instructions.md is an instructions file published in the GitHub repository goddivor/teams-mcp (0 stars, last pushed 2mo ago), licensed MIT. It adds 1,680 tokens to every session, about $0.0084 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to teams-mcp copilot-instructions.md, differing in 0 lines, and is treated as a copy.

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AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.

openai/codex · 5,182 tokens

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Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).

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teams-mcp: Instructions file for GitHub Copilot