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Agent skill

Feishu Rich Card Sender

by xjtulyc in xjtulyc/MedgeClaw

Sends interactive Feishu group-chat cards that mix markdown text with uploaded chart or diagram images, for progress updates and analysis results.

No licenceAuto-check: notesProductivity & Automation

Install Feishu Rich Card Sender

skills CLI
$ npx skills add xjtulyc/MedgeClaw --skill feishu-rich-card -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install xjtulyc/MedgeClaw feishu-rich-card --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/xjtulyc/MedgeClaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/feishu-rich-card .claude/skills/feishu-rich-card && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
feishu-rich-card
GitHub stars
617
Used in
1 other repo
Token cost
~734 tokens
SKILL.md length
136 words
Files
2 (incl. references)
Skills in repo
6
Repo updated
First seen
Licence
None found

At a glance

Sends interactive Feishu group-chat cards that mix markdown text with uploaded chart or diagram images, for progress updates and analysis results.

  • Works in 3 steps: Prepare Images → Upload & Send → Quick One-liner (for simple cases)
  • Reporting analysis progress to a Feishu group with a chart attached
  • SKILL.md covers When to Use, Architecture, Workflow and Card Elements Reference, plus 4 more sections
  • Runs Python scripts from its folder; calls python3

What it does

Covers the path from generated image to posted card: a chart or diagram is produced with SVG templates converted to PNG, matplotlib or seaborn, or Pillow, then uploaded to Feishu to obtain an `image_key`, since a card cannot reference an image by URL. A helper class in `references/send_card.py` wraps the upload-and-send steps, with a one-line `send_image_report()` method for simple cases.

The card itself is built from a fixed set of elements — markdown blocks, standalone image elements, dividers, multi-column layouts and a footer note — capped at 50 elements per card and declared with card schema version 2.0. Markdown blocks cannot embed images directly; each image needs its own element. A default chat id is read from an environment variable, and the skill notes that the agent's own normal reply should be suppressed after sending a card to avoid a duplicate message.

When your agent uses it

  • Reporting analysis progress to a Feishu group with a chart attached
  • Sending a research summary that mixes text and an image in one card
  • Posting a project status update with a multi-column layout to Feishu
  • Combining a matplotlib chart with written commentary in a single message

Example prompts

  • “Send today's analysis results to the research Feishu group as a rich card.”
  • “把这次单细胞分析的结果做成图文卡片发到飞书群。”
  • “Post a progress card with the completion chart and a short note at the bottom.”

Requirements

  • A Feishu bot with Card Kit access
  • matplotlib, PIL or cairosvg for generating the images

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Prepare Images
  2. Upload & Send
  3. Quick One-liner (for simple cases)

What it can do on your machine

Read from SKILL.md and the folder at commit fef51d3. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships script files (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Feishu Rich Card Sender loads about 734 tokens when it runs, and up to ~3.3k if it reads all its reference files. Until then it costs about 76 tokens; SKILL.md has 136 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~76
When it runs · the whole SKILL.md, loaded when a task matches
~734
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:118
    通过环境变量配置：`FEISHU_DEFAULT_CHAT_ID`（在 `.env` 中设置）

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 136 words (~734 tokens).

name
feishu-rich-card

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in skills/feishu-rich-card of xjtulyc/MedgeClaw.

  • SKILL.md
  • references/send_card.py

Open the folder on GitHubat commit fef51d3

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in xjtulyc/MedgeClaw, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Feishu Rich Card Sender next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Feishu Rich Card Sender compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Feishu Rich Card Sender this skillxjtulyc/MedgeClaw6171 repos~734Automated safety check: NotesNone
Cc Connectarchibate/dotfiles-opencode108—~1.2kAutomated safety check: PassNone
Chrome Daily Update Checkdragon-hh/ai-boshu-crawler106—~1.3kAutomated safety check: PassNone
Ae Systeminfometa/workbuddyskills348—~4.9kAutomated safety check: PassNone
Feishu Docopenclaw/openclaw392k—~516Automated safety check: PassMIT
Claude To Imop7418/Claude-to-IM-skill2.9k—~3.4kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Feishu Rich Card Sender

What does Feishu Rich Card Sender do?

Sends interactive Feishu group-chat cards that mix markdown text with uploaded chart or diagram images, for progress updates and analysis results. Covers the path from generated image to posted card: a chart or diagram is produced with SVG templates converted to PNG, matplotlib or seaborn, or Pillow, then uploaded to Feishu to obtain an `image_key`, since a card cannot reference an image by URL.py` wraps the upload-and-send steps, with a one-line `send_image_report()` method for simple cases.

When should I use Feishu Rich Card Sender?

Feishu Rich Card Sender fits situations like: reporting analysis progress to a Feishu group with a chart attached; sending a research summary that mixes text and an image in one card; posting a project status update with a multi-column layout to Feishu; combining a matplotlib chart with written commentary in a single message.

How do I install Feishu Rich Card Sender in Claude Code?

Run `npx skills add xjtulyc/MedgeClaw --skill feishu-rich-card -a claude-code`. Or copy the skill folder (skills/feishu-rich-card in xjtulyc/MedgeClaw) into .claude/skills/feishu-rich-card in your project. Claude Code loads it when a task matches its description.

How do I install Feishu Rich Card Sender in Codex?

Run `npx skills add xjtulyc/MedgeClaw --skill feishu-rich-card -a codex`. Or copy the skill folder (skills/feishu-rich-card in xjtulyc/MedgeClaw) into .agents/skills/feishu-rich-card in your project. Codex loads it when a task matches its description.

Can I use Feishu Rich Card Sender in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add xjtulyc/MedgeClaw --skill feishu-rich-card -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/feishu-rich-card, .gemini/skills/feishu-rich-card, .github/skills/feishu-rich-card and .opencode/skills/feishu-rich-card in your project.

What does Feishu Rich Card Sender need to run?

Going by SKILL.md and its folder, Feishu Rich Card Sender needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: A Feishu bot with Card Kit access; matplotlib, PIL or cairosvg for generating the images.

Does Feishu Rich Card Sender access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Feishu Rich Card Sender safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Feishu Rich Card Sender use?

No licence was found for Feishu Rich Card Sender or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Feishu Rich Card Sender use?

About 734 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.6k tokens, read only when the agent opens those files.

What are the alternatives to Feishu Rich Card Sender?

Skills that share tags, products or a category with Feishu Rich Card Sender: Cc Connect (archibate/dotfiles-opencode, 108 stars), Chrome Daily Update Check (dragon-hh/ai-boshu-crawler, 106 stars), Ae System (infometa/workbuddyskills, 348 stars) and Feishu Doc (openclaw/openclaw, 392k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Feishu Rich Card Sender?

xjtulyc (a GitHub user) maintains it in xjtulyc/MedgeClaw, which has 617 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on March 12, 2026.

Source: xjtulyc/MedgeClaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.