Borrowing it
Nothing to install: this file belongs to hasan-imam/mcp-outlook-applescript. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/hasan-imam/mcp-outlook-applescript/main/CLAUDE.mdgit clone --depth 1 https://github.com/hasan-imam/mcp-outlook-applescriptWrote 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.
[](https://agentmods.dev/instructions/hasan-imam/mcp-outlook-applescript/claude-md)<a href="https://agentmods.dev/instructions/hasan-imam/mcp-outlook-applescript/claude-md"><img src="https://agentmods.dev/badge/instructions/hasan-imam/mcp-outlook-applescript/claude-md.svg" alt="Measured on agentmods" height="20"></a>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 | $0.02269 | $0.02269 |
| Opus 5 | $0.01135 | $0.01135 |
| Sonnet 5 | $0.00454 | $0.00454 |
| Haiku 4.5 | $0.00227 | $0.00227 |
Grade A, and why
mcp-outlook-applescript CLAUDE.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 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.
How it starts
The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
mcp-outlook-applescript
MCP server for Microsoft Outlook on Mac. 49 tools for mail, calendar, contacts, tasks, and notes via AppleScript. TypeScript with strict mode, Zod validation, and security-hardened input escaping.
Commands
| Command | Purpose |
|---|---|
npm run build |
Compile TypeScript to dist/ and set shebang |
npm run typecheck |
Type-check without emitting |
npm test |
Run 121 unit tests (vitest, no Outlook needed) |
bash scripts/audit.sh |
28 static quality checks (build, security, package, functional) |
node scripts/doc-quality.mjs |
Score all 49 tool descriptions against 6-criterion rubric |
node scripts/smoke-test.mjs |
Live integration tests (requires Outlook running) |
Testing
| When | Run | What it checks |
|---|---|---|
| Any code change | npm run build && npm test && bash scripts/audit.sh |
Types, 121 unit tests, 28 static checks (security, package, bug-fix preservation) |
| Before release, or after changing AppleScript/repository/parser | node scripts/smoke-test.mjs (Outlook must be running) |
Live integration: 45/49 tools via JSON-RPC against real Outlook |
| After changing tool descriptions or Zod schemas | Give an MCP client a task without naming tools — it must discover and call them from descriptions | Tool discoverability, schema usability, response format |
Architecture
src/ # 34 TypeScript files
├── index.ts # MCP server entry point, tool dispatch
├── applescript/ # AppleScript backend
│ ├── executor.ts # osascript runner, escapeForAppleScript()
│ ├── scripts.ts # AppleScript templates (pure functions)
│ ├── parser.ts # delimiter-based output parser
│ ├── repository.ts # IRepository implementation
│ ├── account-repository.ts # account enumeration
│ ├── account-scripts.ts # account-related AppleScript
│ ├── calendar-manager.ts # event update/delete/respond
│ ├── calendar-writer.ts # event creation
│ ├── content-readers.ts # single-item content readers
│ ├── mail-sender.ts # send email with attachments
│ └── index.ts # barrel exports
├── approval/ # Two-step prepare/confirm for destructive ops
│ ├── token-manager.ts # single-use token store (5-min TTL)
│ ├── hash.ts # content hashing for change detection
│ └── types.ts # ApprovalToken, OperationType, TargetType
├── database/
│ └── repository.ts # IRepository + IWriteableRepository interfaces
├── parsers/
│ └── html-stripper.ts # HTML to plain text
├── tools/ # Zod input schemas + tool logic
│ ├── mail.ts # mail read tools + send_email
│ ├── calendar.ts # calendar tools
│ ├── contacts.ts # contact tools
│ ├── tasks.ts # task tools
│ ├── notes.ts # note tools
│ ├── mailbox-organization.ts # destructive ops + low-risk mutations
│ └── index.ts # barrel exports
├── types/ # Domain types + pagination envelope
│ └── pagination.ts # PaginatedResult<T>, paginate()
└── utils/
├── dates.ts # Apple epoch (2001) <-> ISO conversion
└── errors.ts # ErrorCode enum, OutlookMcpError hierarchy
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 · 140 lines · 2,269 tokens per session scan A ad789e7c7966
mcp-outlook-applescript CLAUDE.md is an instructions file published in the GitHub repository hasan-imam/mcp-outlook-applescript (8 stars, last pushed 6mo ago), licensed MIT. It adds 2,269 tokens to every session, about $0.0113 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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