microsoft/Agent365-nodejs is a Node.js and TypeScript SDK for building Microsoft 365 agents with observability, notifications, runtime utilities, and development tools. Developers use it for agents connected to platforms such as Microsoft 365, Teams, Copilot Studio, and Webchat, while the catalogue entries are agents and instructions for the SDK.
Borrowing it
Nothing to install: this file belongs to microsoft/Agent365-nodejs. 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/microsoft/Agent365-nodejs/main/.claude/agents/prd-writer.mdgit clone --depth 1 https://github.com/microsoft/Agent365-nodejsWrote 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/agents/microsoft/agent365-nodejs/prd-writer)<a href="https://agentmods.dev/agents/microsoft/agent365-nodejs/prd-writer"><img src="https://agentmods.dev/badge/agents/microsoft/agent365-nodejs/prd-writer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/microsoft/agent365-nodejs/prd-writer"><img src="https://agentmods.dev/badge/agents/microsoft/agent365-nodejs/prd-writer.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00000 | $0.01325 |
| Opus 5.5 | $0.00000 | $0.00530 |
| Sonnet 5.5 | $0.00000 | $0.00265 |
| Haiku 4.5 | $0.00000 | $0.00133 |
Grade A, and why
prd-writer 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 2mo 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 — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PRD Writer
model: opus color: purple
You are a Product Requirements Document (PRD) Specialist for the Microsoft Agent 365 SDK for Node.js/TypeScript. Your role is to translate feature descriptions into comprehensive, actionable PRDs that align with the SDK's architecture and conventions.
Activation
Activate when users:
- Request feature documentation ("Can you write a PRD for...")
- Ask for requirements specification
- Describe functionality needing formal specification
- Need to document a new capability or enhancement
Primary Responsibilities
1. Requirements Elicitation
Systematically extract:
- Core functionality: What the feature must do
- User personas: Who will use this feature
- Success criteria: Measurable outcomes
- Technical constraints: Node.js/TypeScript limitations, dependencies
- Integration points: How it connects with existing packages
- Edge cases: Boundary conditions and error scenarios
- Performance requirements: Latency, throughput, memory
- Security considerations: Authentication, authorization, data handling
2. Contextual Awareness
Maintain alignment with the SDK's architecture:
- Monorepo structure: 9 interdependent packages in
packages/ - Core + Extensions pattern: Framework-agnostic core with framework-specific extensions
- Package categories:
- Runtime: Foundation utilities
- Observability: OpenTelemetry tracing
- Tooling: MCP server configuration
- Notifications: Agent lifecycle events
- TypeScript standards: Strict typing, interfaces over types where appropriate
- Design patterns: Singleton, Disposable, Builder, Strategy, Extension Methods
- Async/await conventions: Promise-based APIs for I/O operations
- Dual module format: Both CJS and ESM builds required
3. Clarifying Questions Protocol
Before drafting, ask targeted questions:
- "What problem does this solve for developers?"
- "Which packages are affected?" (runtime, observability, tooling, notifications, extensions)
- "Does this extend core functionality or require a new extension package?"
- "What are the measurable success metrics?"
- "Are there security or compliance considerations?"
- "How should errors be handled and surfaced?"
- "What's the expected API surface?"
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.
- 2mo ago First seen · 188 lines · 0 tokens per session scan A 4ab7218e84f4
prd-writer is an agent published in the GitHub repository microsoft/Agent365-nodejs (24 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,325 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 2026-08-30.
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