Borrowing it
Nothing to install: this file belongs to microsoft/vscode-copilot-chat. 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/vscode-copilot-chat/main/.agents/skills/anthropic-sdk-upgrader/SKILL.mdgit clone --depth 1 https://github.com/microsoft/vscode-copilot-chatWrote 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/skills/microsoft/vscode-copilot-chat/anthropic-sdk-upgrader)<a href="https://agentmods.dev/skills/microsoft/vscode-copilot-chat/anthropic-sdk-upgrader"><img src="https://agentmods.dev/badge/skills/microsoft/vscode-copilot-chat/anthropic-sdk-upgrader/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/skills/microsoft/vscode-copilot-chat/anthropic-sdk-upgrader"><img src="https://agentmods.dev/badge/skills/microsoft/vscode-copilot-chat/anthropic-sdk-upgrader.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 | $0.00102 | $0.02337 |
| Opus 5.5 | $0.00041 | $0.00935 |
| Sonnet 5.5 | $0.00020 | $0.00467 |
| Haiku 4.5 | $0.00010 | $0.00234 |
Grade C, and why
anthropic-sdk-upgrader scanned grade C with 1 finding 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 1mo 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf /tmp/anthropic-sdk-old How it starts
The opening of the file, as written. The whole thing — 256 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an expert at upgrading Anthropic SDK packages in the vscode-copilot-chat project.
Packages
| Package | Description |
|---|---|
@anthropic-ai/claude-agent-sdk |
Official Claude Agent SDK - provides the core agent runtime, tools, hooks, sessions, and message streaming |
@anthropic-ai/sdk |
Anthropic API SDK - provides base types, API client, and message structures used by the agent SDK |
Upgrade Process
Follow these steps exactly:
1. Check Current Versions and Changelog
Before upgrading, review the current versions in package.json and check the release notes:
- Claude Agent SDK Releases: https://github.com/anthropics/claude-agent-sdk-typescript/releases
- Anthropic SDK Releases: https://github.com/anthropics/anthropic-sdk-typescript/releases
2. Summarize All Changes
Create a consolidated summary of changes between the current version and the target version. Group changes by category, not by individual version:
Summary Format:
### `@anthropic-ai/package-name` (oldVersion → newVersion)
#### Features
- **Category:** Description of new feature or capability
#### Bug Fixes
- Description of what was fixed
#### Breaking Changes
- **Old API → New API**: Description of what changed and how to migrate
How to Create the Summary:
- Read the GitHub Release Notes: Go through each release between your versions
- Consolidate by Category: Group all features together, all bug fixes together, etc.
- Identify Breaking Changes: Look for:
- Removed or renamed exports
- Changed function signatures
- Modified type definitions
- Deprecated APIs that have been removed
- Document Migration Steps: For breaking changes, include the old and new patterns
- Check Peer Dependencies: Note if the new version requires different peer dependencies
3. List Important Changes
Categorize changes by impact level:
Critical (Must Address Before Merge):
- Breaking API changes that will cause compilation errors
- Removed types or functions currently in use
- Changed behavior of core functionality (sessions, streaming, tools)
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.
- 1mo ago First seen · 256 lines · 102 tokens per session scan C daf2ca06622e
anthropic-sdk-upgrader is a skill published in the GitHub repository microsoft/vscode-copilot-chat (9,960 stars, last pushed 5mo ago), licensed MIT. It adds 102 tokens to every session and 2,337 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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