raindrop-mcp: Skill for Claude Code

.github/skills/mcp-refactoring/SKILL.md

mcp-refactoring is a skill for Claude Code, Codex from adeze/raindrop-mcp. It costs 17 tokens per session (801 once invoked), scanned A, original, MIT.

Guidelines for improving MCP tools, which let AI assistants interact with external data and services. They cover resources for reading data, sampling large results, and asking for missing information or confirmation.

In plain words
What is it for?
Use it when refactoring a Raindrop MCP server to expose collections, bookmarks, tags, highlights, and user data through standard read and write operations.
Why use it?
It helps make tools easier for an AI assistant to discover, use, and operate safely. It addresses large result sets, missing inputs, and risky actions such as deletion.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

This is adeze/raindrop-mcp's own configuration. It tells Claude Code and Codex how to work on raindrop-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything raindrop-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to adeze/raindrop-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/adeze/raindrop-mcp/master/.github/skills/mcp-refactoring/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/adeze/raindrop-mcp

Made for: Claude Code, Codex.

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 mcp-refactoring

README.md
[![agentmods](https://agentmods.dev/badge/skills/adeze/raindrop-mcp/mcp-refactoring.svg)](https://agentmods.dev/skills/adeze/raindrop-mcp/mcp-refactoring)
Your own site
<a href="https://agentmods.dev/skills/adeze/raindrop-mcp/mcp-refactoring"><img src="https://agentmods.dev/badge/skills/adeze/raindrop-mcp/mcp-refactoring.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 801 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00017 $0.00801
Opus 5 $0.00009 $0.00400
Sonnet 5 $0.00003 $0.00160
Haiku 4.5 $0.00002 $0.00080

Measured 7d ago against content hash fc9cd18e5a4e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

mcp-refactoring 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 7d 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.

.github/skills/mcp-refactoring/SKILL.md · 82 lines

How it starts

The opening of the file, as written. The whole thing — 82 lines — stays where its author put it; the contents beside it link to each section on GitHub.

MCP Refactoring Skill

Guidelines for refactoring Raindrop MCP tools for better LLM integration, usability, and following MCP best practices.

Capabilities: Resources, Sampling, Elicitation

Resources

Expose all major Raindrop entities as MCP resources:

  • collections://all, collections://{id}
  • bookmarks://{id}, tags://all
  • highlights://all, user://info

Implement resource discovery and navigation (list, get, search, children, etc.) using standard MCP resource URIs and methods. Ensure each resource supports GET (read), and where appropriate, CREATE, UPDATE, DELETE (write) actions.

Sampling

For large collections/bookmarks/tags/highlights, implement sampling endpoints:

  • e.g., bookmarks://collection/{id}?sample=10 returns a random or recent sample.
  • Add tool parameters for limit, offset, and sample to all list/search tools.
  • Use MCP's sampling capability to advertise this in the server manifest.

Elicitation

Implement elicitation tools for:

  • Confirming destructive actions (delete, merge, etc.)
  • Requesting missing parameters (e.g., if a required field is omitted, prompt the LLM/user)
  • Use the MCP elicitation capability to allow the server to ask clarifying questions or confirmations.

Streamlining Tools for LLMs

Hierarchical, Predictable Naming

  • Use a consistent {resource}_{action} pattern (e.g., collection_list, bookmark_create, tag_manage)
  • Group related actions under a single tool with an operation parameter where possible (e.g., collection_manage for create, update, delete)

Reduce Redundancy

Collapse similar tools:

  • Merge collection_create, collection_update, collection_delete into collection_manage with an operation parameter
  • Do the same for bookmarks, tags, highlights
  • For read-only actions, keep list, get, and search as separate, simple tools

LLM-Friendly Descriptions

  • Ensure every tool and parameter has a clear, concise description
  • Use Zod schemas for validation and documentation

Read the full file on GitHub · 82 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.

  1. 7d ago First seen · 82 lines · 17 tokens per session scan A fc9cd18e5a4e

Subscribe to this mod's changes

mcp-refactoring is a skill published in the GitHub repository adeze/raindrop-mcp (183 stars, last pushed 1mo ago), licensed MIT. It adds 17 tokens to every session and 801 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 2026-08-30.

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