session-context

session-context is a skill for Claude Code, Codex from sandraschi/onenote-mcp. It costs 13 tokens per session (126 once invoked), scanned A, original, MIT.

A session guide for using Microsoft OneNote as working memory across coding tasks. It explains how to find notebooks and save notes through Microsoft Graph, Microsoft's interface for accessing Microsoft 365 data.

In plain words
What is it for?
Use it to load a notebook's structure before work, save results to a OneNote page afterward, and re-authenticate if access has expired.
Why use it?
It helps an agent recall relevant notes at the start of a task and preserve useful insights at the end.

Skill for Claude CodeCodex

Part of the onenote-mcp plugin — 2 skills, 1 MCP server shipped together

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 skills/sandraschi/onenote-mcp/session-context
Any agent
npx skills add sandraschi/onenote-mcp --skill session-context
Clone the repo
git clone --depth 1 https://github.com/sandraschi/onenote-mcp

Made for: Claude Code, Codex.

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.

agentmods badge for session-context

README.md
[![agentmods](https://agentmods.dev/badge/skills/sandraschi/onenote-mcp/session-context.svg)](https://agentmods.dev/skills/sandraschi/onenote-mcp/session-context)
Your own site
<a href="https://agentmods.dev/skills/sandraschi/onenote-mcp/session-context"><img src="https://agentmods.dev/badge/skills/sandraschi/onenote-mcp/session-context.svg" alt="Measured on agentmods" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 126 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00013 $0.00126
Opus 5 $0.00006 $0.00063
Sonnet 5 $0.00003 $0.00025
Haiku 4.5 $0.00001 $0.00013

Measured 4d ago against content hash b11a81a6d7a5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

session-context 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 4d 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.

.opencode/skills/session-context/SKILL.md · 17 lines

What it actually says

Session Context (OneNote MCP)

You have access to Microsoft OneNote via Microsoft Graph (12 tools).

Before starting work:

  1. Find the notebook: onenote_list_notebooks()
  2. Get structure: onenote_get_notebook_toc(notebook_id="...")

At end of work, save insights:

  • Persist notes: onenote_create_page(notebook_id=..., title=..., content="<html>")
  • If auth fails, run: authenticate()
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. 4d ago First seen · 17 lines · 13 tokens per session scan A b11a81a6d7a5

Subscribe to this mod's changes

session-context is a skill published in the GitHub repository sandraschi/onenote-mcp (0 stars, last pushed 4d ago), licensed MIT. It adds 13 tokens to every session and 126 once invoked, about $0.0001 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.

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