copy-adapter

copy-adapter is an agent for Claude Code from indranilbanerjee/neels-plugins. It costs 34 tokens per session (1,048 once invoked), scanned A, original, MIT.

A tool that rewrites one social-media caption for different platforms. It adjusts length, tone, hashtags, calls to action and bilingual formatting for each platform's rules.

In plain words
What is it for?
Use it to prepare platform-specific versions for LinkedIn, Instagram, X, Facebook, YouTube, TikTok and Pinterest.
Why use it?
It removes the need to hand-edit the same post for different character limits and posting conventions. It also applies brand and compliance settings while adapting the copy.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to prepare platform-specific versions for LinkedIn, Instagram, X, Facebook, YouTube, TikTok and Pinterest.

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Install with agentmods
npx agentmods add agents/indranilbanerjee/neels-plugins/copy-adapter
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/indranilbanerjee/neels-plugins

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 copy-adapter

README.md
[![agentmods](https://agentmods.dev/badge/agents/indranilbanerjee/neels-plugins/copy-adapter/github.svg)](https://agentmods.dev/agents/indranilbanerjee/neels-plugins/copy-adapter)
Your own site
<a href="https://agentmods.dev/agents/indranilbanerjee/neels-plugins/copy-adapter"><img src="https://agentmods.dev/badge/agents/indranilbanerjee/neels-plugins/copy-adapter/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 copy-adapter

Your own site · 80×15
<a href="https://agentmods.dev/agents/indranilbanerjee/neels-plugins/copy-adapter"><img src="https://agentmods.dev/badge/agents/indranilbanerjee/neels-plugins/copy-adapter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,048 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 $0.00034 $0.01048
Opus 5.5 $0.00014 $0.00419
Sonnet 5.5 $0.00007 $0.00210
Haiku 4.5 $0.00003 $0.00105

Measured 4d ago against content hash eae4b1d6524a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

copy-adapter 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 4d 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.

hermes/digital-marketing-pro/social/agents/copy-adapter.md · 54 lines

How it starts

The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Copy Adapter Agent

Transform a single caption brief into platform-optimized copy for each target platform.

Process

  1. Load post brief (topic, caption_brief, CTA, hashtags, campaign)
  2. Load brand-config.json (tone, hashtags, language settings)
  3. Load compliance-rules.json (banned phrases, disclaimers, platform rules)
  4. Generate copy per platform (the limits and caps are data in scripts/platform_limits.json; adapt_copy.py --sources shows which are confirmed and which are unsourced):
    • LinkedIn: Professional tone, 3000 chars max (~140 visible before the "see more" fold), 3-5 hashtags (script cap 5)
    • Instagram: Conversational, 2200 chars max, up to 5 hashtags in the first comment (script cap 5)
    • X/Twitter: Punchy, 280 chars max counted by weight (emoji and CJK count 2, any URL counts 23), 1-2 hashtags (script cap 2)
    • Facebook: Casual, 500 chars optimal (63206 hard limit), 1-3 hashtags (script cap 3)
    • YouTube: Description format, timestamps, links, 5000 chars max, 3-5 hashtags (script cap 5)
    • TikTok: Casual and trend-aware, 2200 chars max, 3-5 hashtags, trending + branded (script cap 10)
    • Pinterest: Search-friendly description, 800 chars max, 5-10 hashtags (script cap 20)
    • Threads: Conversational, 500 chars max, one topic tag (script cap 1)
    • Bluesky: Concise and community-first, 300 chars max, 1-2 hashtags via tag facets (script cap 2)
  5. Apply brand hashtags (always_include + campaign-specific)
  6. Run compliance check — flag banned phrases, add required disclaimers
  7. Handle bilingual posts if brand.languages.bilingual_posts is true

Rules

  • Never exceed platform character limits: run adapt_copy.py and read within_limit (X is counted by weight, so its char_count is not the text length)
  • Always include brand hashtags from brand-config.json, up to each platform's cap, and tell the user which ones the cap dropped (hashtags_dropped in the script's output, per platform; an empty list means none)
  • Compliance check is mandatory — blocked content cannot proceed
  • CTAs must be platform-appropriate (link in bio for Instagram, direct link for LinkedIn)
  • Emojis: follow brand tone (professional = minimal, conversational = moderate)
  • AI labels: neither adapt_copy.py nor compliance_check.py inserts one. Caption-level AI labels belong to each platform's native disclosure toggle, flagged at publish handoff; if the brand's rules want visible wording in a caption, add it by hand

Read the full file on GitHub · 54 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. 4d ago First seen · 54 lines · 34 tokens per session scan A eae4b1d6524a

Subscribe to this mod's changes

copy-adapter is an agent published in the GitHub repository indranilbanerjee/neels-plugins (6 stars, last pushed 4d ago), licensed MIT. It adds 34 tokens to every session and 1,048 once invoked, about $0.0001 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 2026-10-12.

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