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weixin-access

weixin-access is a skill for Claude Code from qufei1993/cc-weixin. It costs 17 tokens per session (367 once invoked), scanned A, original, MIT.

An access-control tool for a coding assistant that receives messages through WeChat. It uses pairing codes and an allowlist, which is a list of approved user IDs.

In plain words
What is it for?
Confirming six-digit pairing codes, adding or removing user IDs, changing the access policy, and viewing the current access settings.
Why use it?
It prevents unknown WeChat users from sending messages to the assistant. You can choose whether new users need approval, only listed users can connect, or access is open.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Part of the weixin plugin — 2 skills, 1 MCP server shipped together

not rated 153repo 4mo ago A scan 17 tokens original MIT

Good fit Confirming six-digit pairing codes, adding or removing user IDs, changing the access policy, and viewing the current access settings.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/qufei1993/cc-weixin/access
View source ↗ qufei1993/cc-weixin
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 qufei1993/cc-weixin --skill access
Clone the repo
git clone --depth 1 https://github.com/qufei1993/cc-weixin

Made for: Claude Code.

Or install weixin, the plugin that ships this one along with the rest of its 2 skills, 1 MCP server.

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-access

README.md
[![agentmods](https://agentmods.dev/badge/skills/qufei1993/cc-weixin/access.svg)](https://agentmods.dev/skills/qufei1993/cc-weixin/access)
Your own site
<a href="https://agentmods.dev/skills/qufei1993/cc-weixin/access"><img src="https://agentmods.dev/badge/skills/qufei1993/cc-weixin/access.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 367 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 $0.00017 $0.00367
Opus 5 $0.00009 $0.00183
Sonnet 5 $0.00003 $0.00073
Haiku 4.5 $0.00002 $0.00037

Measured 8d ago against content hash e526ec04d1e8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

weixin-access 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 8d 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.

plugins/weixin/skills/access/SKILL.md · 48 lines

What it actually says

WeChat Access Control

Manage who can send messages to your AI coding assistant via WeChat.

Instructions

Parse the command argument and perform the appropriate action:

pair <code>

Confirm a 6-digit pairing code. Call confirmPairing(code) from ./src/pairing.js.

  • If valid: display the confirmed user ID and confirm they've been added to the allowlist.
  • If invalid/expired: display an error.

allow <userId>

Manually add a user ID to the allowlist:

  1. Load access config with loadAccessConfig()
  2. Add the userId to allowFrom if not already present
  3. Save with saveAccessConfig()
  4. Confirm the user was added

remove <userId>

Remove a user ID from the allowlist:

  1. Load access config
  2. Remove the userId from allowFrom
  3. Save the config
  4. Confirm removal

policy <mode>

Set the access policy. Mode must be one of: pairing, allowlist, disabled.

  • pairing: New users get a pairing code, must be confirmed (default)
  • allowlist: Only pre-approved users can message (no new pairing codes)
  • disabled: Anyone can message (not recommended)

status

Display current access configuration:

  • Current policy
  • Number of allowed users
  • List of allowed user IDs

Import functions from ./src/pairing.js and ./src/accounts.js.

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. 8d ago First seen · 48 lines · 17 tokens per session scan A e526ec04d1e8

Subscribe to this mod's changes

weixin-access is a skill published in the GitHub repository qufei1993/cc-weixin (153 stars, last pushed 4mo ago), licensed MIT. It adds 17 tokens to every session and 367 once invoked, about $0.0001 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.

Security
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