weixin-file-send

weixin-file-send is a skill for Claude Code, Codex from CES-Ltd/TitanX. It costs 32 tokens per session (491 once invoked), scanned A, original, Apache-2.0.

Instructions for sending an existing local file or image back to the user through a required message format. It applies when the user asks for a file to be sent or passed back.

In plain words
What is it for?
Use it to return local images and files, including their paths, optional filenames, and captions.
Why use it?
It prevents the agent from merely describing a file when the chat system needs a specific handoff format to deliver it.

Skill for Claude CodeCodex

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

Good fit Use it to return local images and files, including their paths, optional filenames, and captions.

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Install with agentmods
npx agentmods add skills/ces-ltd/titanx/weixin-file-send
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.

Any agent
npx skills add CES-Ltd/TitanX --skill weixin-file-send
Clone the repo
git clone --depth 1 https://github.com/CES-Ltd/TitanX

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 weixin-file-send

README.md
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Your own site
<a href="https://agentmods.dev/skills/ces-ltd/titanx/weixin-file-send"><img src="https://agentmods.dev/badge/skills/ces-ltd/titanx/weixin-file-send/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 weixin-file-send

Your own site · 80×15
<a href="https://agentmods.dev/skills/ces-ltd/titanx/weixin-file-send"><img src="https://agentmods.dev/badge/skills/ces-ltd/titanx/weixin-file-send.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 491 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 $0.00032 $0.00491
Opus 5 $0.00016 $0.00246
Sonnet 5 $0.00006 $0.00098
Haiku 4.5 $0.00003 $0.00049

Measured 9d ago against content hash 56cfc1ac8183, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

weixin-file-send 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 9d 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.

src/process/resources/skills/weixin-file-send/SKILL.md · 72 lines

What it actually says

Weixin File Send

Use this skill when:

  • The user asks you to send a file or image back, for example:
    • "send me the file"
    • "send the image over"
    • "pass the file to me"
    • "发给我"
    • "图片发过来"
    • "把文件传给我"
  • A local file already exists and should be delivered to the current chat.

Do not claim a file was sent unless you emit the protocol block exactly. Without the protocol block, the app will not actually send the file.

Protocol

Append one or more protocol blocks at the end of the final reply:

[AIONUI_CHANNEL_SEND]
{"type":"image","path":"./output/chart.png","caption":"Chart ready"}
[/AIONUI_CHANNEL_SEND]
[AIONUI_CHANNEL_SEND]
{"type":"file","path":"./output/report.pdf","fileName":"report.pdf","caption":"Report ready"}
[/AIONUI_CHANNEL_SEND]

Rules

  • type must be image or file.
  • path must point to a real local file that already exists.
  • Use relative paths when the file is inside the workspace.
  • fileName is optional for file.
  • caption is optional.
  • If the user clearly wants the file or image sent back, prefer emitting the protocol block instead of only describing the file in text.
  • Place protocol blocks after the user-visible answer.
  • Do not wrap the JSON in Markdown code fences.
  • Do not emit the protocol block if the file does not exist.
  • Do not say the file was sent if you did not emit the protocol block.

Examples

User-visible text with image:

I generated the chart and sent it below.

[AIONUI_CHANNEL_SEND]
{"type":"image","path":"./output/chart.png","caption":"Sales chart"}
[/AIONUI_CHANNEL_SEND]

File only:

[AIONUI_CHANNEL_SEND]
{"type":"file","path":"./output/report.pdf","fileName":"report.pdf","caption":"Weekly report"}
[/AIONUI_CHANNEL_SEND]
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. 9d ago First seen · 72 lines · 32 tokens per session scan A 56cfc1ac8183

Subscribe to this mod's changes

weixin-file-send is a skill published in the GitHub repository CES-Ltd/TitanX (48 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 32 tokens to every session and 491 once invoked, about $0.0002 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.