claude-chat-exporter: Skill for Claude Code

.claude/skills/add-sponsor/SKILL.md

add-sponsor is a skill for Claude Code from agarwalvishal/claude-chat-exporter. It costs 50 tokens per session (1,140 once invoked), scanned A, original, MIT.

A maintenance guide for adding, changing, or removing sponsor logos in a project's README and installation page.

In plain words
What is it for?
Use it when a sponsor changes tier, ends sponsorship, or provides a replacement logo.
Why use it?
It removes the need to remember where sponsor assets and logo entries belong, including the different display rules for Team and Company sponsors.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is agarwalvishal/claude-chat-exporter's own configuration. It tells Claude Code how to work on claude-chat-exporter 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 claude-chat-exporter configures →

Reuse

Borrowing it

Nothing to install: this file belongs to agarwalvishal/claude-chat-exporter. 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/agarwalvishal/claude-chat-exporter/main/.claude/skills/add-sponsor/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/agarwalvishal/claude-chat-exporter

Made for: Claude Code.

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 add-sponsor

README.md
[![agentmods](https://agentmods.dev/badge/skills/agarwalvishal/claude-chat-exporter/add-sponsor/github.svg)](https://agentmods.dev/skills/agarwalvishal/claude-chat-exporter/add-sponsor)
Your own site
<a href="https://agentmods.dev/skills/agarwalvishal/claude-chat-exporter/add-sponsor"><img src="https://agentmods.dev/badge/skills/agarwalvishal/claude-chat-exporter/add-sponsor/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 add-sponsor

Your own site · 80×15
<a href="https://agentmods.dev/skills/agarwalvishal/claude-chat-exporter/add-sponsor"><img src="https://agentmods.dev/badge/skills/agarwalvishal/claude-chat-exporter/add-sponsor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,140 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00050 $0.01140
Opus 5.5 $0.00020 $0.00456
Sonnet 5.5 $0.00010 $0.00228
Haiku 4.5 $0.00005 $0.00114

Measured 2mo ago against content hash 8e1b0a2eb0d1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

add-sponsor 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.

.claude/skills/add-sponsor/SKILL.md · 91 lines

How it starts

The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Adding a sponsor

Assets live in docs/sponsors/<name>.svg. Three edits, all by hand — there is no CI.

README — one block under the install badge, holding both tiers

Company first, Team after, the same height="28" for every logo, and no taglines (they force a vertical layout and push the project's own pitch off the screen). The label links to the Support section so the policy is one click away:

<p align="center">
  <sub><b><a href="#support-this-project">Supported by</a></b></sub><br>
  <a href="https://acme.example" rel="sponsored noopener"><img src="docs/sponsors/acme.svg" alt="Acme" height="28"></a>
  &nbsp;
  <a href="https://globex.example" rel="sponsored noopener"><img src="docs/sponsors/globex.svg" alt="Globex" height="28"></a>
</p>

Do not add a "still MIT / still private" line beside the logos. Both claims are already in the README's first sentence, above the badge.

Install page — Company tier only

A row in the footer of docs/index.html. The footer is also where the update notice sends returning users (d.onclick = window.open(P) in the shim), which is what the tier sells.

<span class="sponsors"><span class="lbl">Supported by</span>
  <a href="https://acme.example" target="_blank" rel="sponsored noopener"><img src="sponsors/acme.svg" alt="Acme" height="28"></a>
</span>
footer .sponsors { display: flex; align-items: center; gap: .5rem .9rem; flex-wrap: wrap; }
footer .sponsors .lbl { font-size: .8rem; color: var(--muted); }
footer .sponsors img { height: 28px; width: auto; max-width: 110px; opacity: .85; }
footer .sponsors a:hover img { opacity: 1; }

Accepting the asset — sanitise before committing

Committing the logo is the right call: it keeps the install page's promise that it makes no third-party requests. Hot-linking a sponsor's own domain would let them log every visitor's IP. (refined-github does the same; larger projects instead serve from their funding platform. Nobody loads a sponsor's server.)

Read the full file on GitHub · 91 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. 2mo ago First seen · 91 lines · 50 tokens per session scan A 8e1b0a2eb0d1

Subscribe to this mod's changes

add-sponsor is a skill published in the GitHub repository agarwalvishal/claude-chat-exporter (743 stars, last pushed 14d ago), licensed MIT. It adds 50 tokens to every session and 1,140 once invoked, about $0.0002 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 2026-08-30.

Related

add-sponsor compared with skills from other repositories

add-sponsor next to 6 skills from other repositories
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