A connection between an AI assistant and Microsoft OneNote through Microsoft's Graph API. OneNote is Microsoft's note-taking app, and this connection can browse, search, read, and create notebook pages.

Use it to authenticate, list notebooks and sections, inspect pages, search note text, read full page content, and create new pages.

It lets the assistant find and work with notes without manually opening notebooks and copying their contents.

onenote — Skill for Claude Code by sandraschi

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.

Any agent

npx skills add sandraschi/onenote-mcp --skill onenote

Clone the repo

git clone --depth 1 https://github.com/sandraschi/onenote-mcp

Made for: Claude Code.

Or install onenote-mcp, the plugin that ships this one along with the rest of its 2 skills, 1 MCP server.

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/skills/sandraschi/onenote-mcp/onenote.svg)](https://agentmods.dev/skills/sandraschi/onenote-mcp/onenote)

Your own site

<a href="https://agentmods.dev/skills/sandraschi/onenote-mcp/onenote"><img src="https://agentmods.dev/badge/skills/sandraschi/onenote-mcp/onenote.svg" alt="Measured on agentmods" height="20"></a>

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 531 The whole file, excluding the scripts and references it only reads on demand.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00000	$0.00531
Opus 5	$0.00000	$0.00266
Sonnet 5	$0.00000	$0.00106
Haiku 4.5	$0.00000	$0.00053

Measured 8d ago against content hash 2aa7b0c00944, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

onenote 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 8d 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.

src/onenote_mcp/skills/onenote/SKILL.md · 47 lines

How it starts

The opening of the file, as written. The whole thing — 47 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OneNote MCP — Skill

What this server does

OneNote MCP connects an AI assistant to Microsoft OneNote through the Microsoft Graph API: browsing notebooks/sections/pages, reading full page content (HTML), creating pages, and full-text search across the user's notes. 13 tools, dual transport (stdio + HTTP streamable on 10907).

Tool categories

Category	Tools
Auth	`authenticate`, `onenote_save_access_token`
Discovery	`onenote_list_notebooks`, `onenote_get_notebook`, `onenote_list_sections`, `onenote_list_pages`, `onenote_get_notebook_toc`
Content	`onenote_get_page`, `onenote_create_page`, `onenote_search_pages`
Presentation	`show_notebooks_card` (in-chat Prefab card)
System	`onenote_help`, `shutdown_server`

Best practices

Authenticate first. If any tool returns No access token available, call authenticate() (device-code flow) before anything else.
Navigate top-down. Start with onenote_list_notebooks(), then onenote_get_notebook_toc(notebook_id=...) to see sections + pages in one call, then onenote_get_page(page_id=...) for content. IDs are opaque Graph IDs - always pass them through, never truncate.
Creating pages takes HTML content: onenote_create_page(notebook_id=..., title="Meeting Notes", content="<h1>...</h1><p>...</p>").
Search (onenote_search_pages) is full-text across all notebooks - use it when the user describes a note instead of naming a notebook.
Page content is HTML. Read it as-is; render/sanitize before display (the webapp uses DOMPurify).

Configuration requirements

Microsoft Graph access: either GRAPH_ACCESS_TOKEN in .env or the device-code flow (recommended; token persisted to .access-token.txt).
Ports: backend 10907 (/mcp for MCP, /api/* for REST), webapp 10906.
MCP_BRIDGE_URLS optionally proxies remote MCP servers.

Notes

Token expiry: Graph tokens rotate; on 401s re-run authenticate() or update GRAPH_ACCESS_TOKEN.
The MCP surface is reachable only while the backend process runs.

Read the full file on GitHub · 47 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.

8d ago First seen · 47 lines · 0 tokens per session scan A 2aa7b0c00944

Subscribe to this mod's changes

onenote is a skill published in the GitHub repository sandraschi/onenote-mcp (0 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 531 tokens. 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.

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