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.
npx skills add n24q02m/claude-plugins --skill channel-postgit clone --depth 1 https://github.com/n24q02m/claude-pluginsWrote 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/n24q02m/claude-plugins/channel-post)<a href="https://agentmods.dev/skills/n24q02m/claude-plugins/channel-post"><img src="https://agentmods.dev/badge/skills/n24q02m/claude-plugins/channel-post.svg" alt="Measured on agentmods" 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 | $0.00023 | $0.00751 |
| Opus 5 | $0.00012 | $0.00376 |
| Sonnet 5 | $0.00005 | $0.00150 |
| Haiku 4.5 | $0.00002 | $0.00075 |
Grade A, and why
channel-post 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 6d 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.
This is a copy
100% identical to channel-post — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Channel Post
Compose and post formatted content to a Telegram channel with correct formatting.
Steps
-
Identify target channel:
chat(action="list")to find the channel- Channel chat_id is a negative number (e.g., -1001234567890) or @username
-
Compose content with the user:
- Draft the message text
- Apply MarkdownV2 formatting (see escaping rules below)
- Determine if media attachments are needed
-
Handle media attachments (if any):
- Photo with caption:
media(action="send_photo", chat_id="...", file_path_or_url="...", caption="...")-- caption goes WITH the photo, not as a separate message - Document:
media(action="send_file", chat_id="...", file_path_or_url="...") - Multiple photos: send as media group, first photo carries the caption
- Photo with caption:
-
Split long messages if content exceeds 4096 characters:
- Split at paragraph boundaries (double newline) to preserve readability
- Each chunk must be independently valid MarkdownV2 (no unclosed formatting)
- Send chunks sequentially with the same parse_mode
-
Send and verify:
message(action="send", chat_id="<channel>", text="<content>", parse_mode="MarkdownV2")- Verify the message appears correctly in the channel
- If formatting breaks, check the escaping rules below
MarkdownV2 Escaping Rules
All these characters MUST be escaped with \ when used as literal text (outside formatting markup):
_ * [ ] ( ) ~ ` > # + - = | { } . !
Common patterns
| Intent | Correct MarkdownV2 |
|---|---|
| Bold text | *bold* |
| Italic text | _italic_ |
| Code inline | `code` |
| Code block | ```language\ncode\n``` |
| Link | [text](https://url) |
| Literal dot in "v2.0" | v2\.0 |
| Literal dash in list | \- item |
| Price "$9.99" | \$9\.99 |
| Exclamation "Done!" | Done\! |
| Parenthetical "(note)" | \(note\) |
| Hashtag "#topic" | \#topic |
Formatting inside formatting
When nesting, the inner delimiter must also be escaped:
- Bold italic:
*_bold italic_*-- the_inside*...*does NOT need escaping - But literal
_inside bold:*score\_value*-- MUST escape
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.
- 6d ago First seen · 80 lines · 23 tokens per session scan A 288d13e6cc4e
channel-post is a skill published in the GitHub repository n24q02m/claude-plugins (4 stars, last pushed yesterday), licensed Apache-2.0. It adds 23 tokens to every session and 751 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to channel-post, differing in 0 lines, and is treated as a copy.
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