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website: Skill for Cursor

.cursor/skills/round-trip-protocol-change/SKILL.md

round-trip-protocol-change is a skill for Cursor from feelyourprotocol/website. It costs 88 tokens per session (2,555 once invoked), scanned A, original, no licence file.

A workflow for taking a protocol change, such as an EIP or ERC, from a brief through exploration and an MCP-based counterpart. EIPs and ERCs are proposals that define changes or standards for Ethereum and related blockchain systems; optional outputs include a comic or short video.

In plain words
What is it for?
Use it to prepare a round-trip package for an EIP, ERC, or research proposal, including exploration, an MCP integration, and optionally a comic or short-form video.
Why use it?
It organizes several ways of explaining and integrating a protocol change instead of handling each output as a separate task. The description does not say that it approves, implements, or tests the protocol change.

Skill for Cursor

Written for Cursor: installed under .cursor/.

This is feelyourprotocol/website's own configuration. It tells Cursor how to work on website 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 website configures →

not rated 4repo changed 1mo ago A scan 88 tokens no licence
View source ↗ feelyourprotocol/website feelyourprotocol.org
Reuse

Borrowing it

Nothing to install: this file belongs to feelyourprotocol/website. 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/feelyourprotocol/website/main/.cursor/skills/round-trip-protocol-change/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/feelyourprotocol/website

Made for: Cursor.

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 round-trip-protocol-change

README.md
[![agentmods](https://agentmods.dev/badge/skills/feelyourprotocol/website/round-trip-protocol-change/github.svg)](https://agentmods.dev/skills/feelyourprotocol/website/round-trip-protocol-change)
Your own site
<a href="https://agentmods.dev/skills/feelyourprotocol/website/round-trip-protocol-change"><img src="https://agentmods.dev/badge/skills/feelyourprotocol/website/round-trip-protocol-change/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.

agentmods 80×15 button for round-trip-protocol-change

Your own site · 80×15
<a href="https://agentmods.dev/skills/feelyourprotocol/website/round-trip-protocol-change"><img src="https://agentmods.dev/badge/skills/feelyourprotocol/website/round-trip-protocol-change.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 88 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,555 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 unknown 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 $0.00088 $0.02555
Opus 5.5 $0.00035 $0.01022
Sonnet 5.5 $0.00018 $0.00511
Haiku 4.5 $0.00009 $0.00255

Measured 1mo ago against content hash 331fc0efdb92, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

round-trip-protocol-change 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 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.

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.

.cursor/skills/round-trip-protocol-change/SKILL.md · 155 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 1mo ago Changed 331fc0efdb92
  2. 1mo ago Changed 69bae317ba44
  3. 1mo ago Changed · -2 lines 90114fc55125
  4. 1mo ago Changed · +22 lines · +8 tokens per session 71a0af0db698
  5. 1mo ago Changed 2e96d5fe43c6
  6. 1mo ago Changed dfd817c5c723
  7. 1mo ago Changed b95faf7e9fb5
  8. 2mo ago First seen · 135 lines · 80 tokens per session scan A 2a256e827004

Subscribe to this mod's changes

round-trip-protocol-change is a skill published in the GitHub repository feelyourprotocol/website (4 stars, last pushed 29d ago), with no licence file. It adds 88 tokens to every session and 2,555 once invoked, about $0.0004 per session on Opus 5.5. 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 2026-09-05.

ResearchWeb3 and blockchaincommunityeipsethereumhardforkslayer1protocol
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