DeepChat is an open-source desktop client for AI agents that keeps user data local first and connects agents with services such as MCP, Skills, ACP, and messaging apps. It is for people who want to use and control AI assistants from a desktop application. The catalogue add-ons extend DeepChat’s agent workflows.
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 agentmods add skills/thinkinaixyz/deepchat/feishu-toolsnpx skills add ThinkInAIXYZ/deepchat --skill feishu-toolsgit clone --depth 1 https://github.com/ThinkInAIXYZ/deepchatWrote 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/thinkinaixyz/deepchat/feishu-tools)<a href="https://agentmods.dev/skills/thinkinaixyz/deepchat/feishu-tools"><img src="https://agentmods.dev/badge/skills/thinkinaixyz/deepchat/feishu-tools.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 | $0.00029 | $0.00562 |
| Opus 5 | $0.00015 | $0.00281 |
| Sonnet 5 | $0.00006 | $0.00112 |
| Haiku 4.5 | $0.00003 | $0.00056 |
Grade A, and why
feishu-tools 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.
How it starts
The opening of the file, as written. The whole thing — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.
feishu-tools
This plugin is an MCP server tool surface exposed by DeepChat's Feishu plugin. Do not ask the user to classify the plugin as an MCP server, a CLI tool, or another plugin type. When a request is about Feishu/Lark content and matching tools are available, invoke the relevant tool directly.
Runtime Context
- Plugin id:
${OWNER_PLUGIN_ID}. - Plugin root:
${PLUGIN_ROOT}. - Server id:
feishu-tools.
When To Use
- The user asks to read, summarize, search, create, update, append to, or organize Feishu/Lark documents.
- The user asks to inspect or edit Feishu/Lark spreadsheets, sheets, tables, or similar structured workspace data.
- The user asks to operate on another Feishu/Lark artifact and the current tool list exposes a matching tool by name or description.
Required Behavior
- Treat the currently exposed
feishu-toolsMCP tools as the primary action surface for Feishu/Lark requests. - Use the live tool names and descriptions in the current session as the source of truth for what the server supports.
- Prefer the matching tool directly instead of asking the user how to call the plugin or what kind of plugin it is.
- When the user provides a Feishu/Lark URL, extract the relevant document, sheet, spreadsheet, or workspace identifier when the target tool expects an id or token.
- For write operations that could overwrite or append content, confirm intent only when the target artifact or requested mutation is ambiguous or destructive.
- If the requested operation has no matching currently exposed tool, explain that the active Feishu preset may not include it and describe the gap.
- If a tool call returns an authentication or configuration error, tell the user to open the Feishu plugin settings and verify App ID, App Secret, brand, and preset.
Routing Hints
- For documents, prefer tools whose names or descriptions reference docs, docx, wiki, or knowledge.
- For spreadsheets or tables, prefer tools whose names or descriptions reference sheets, spreadsheets, tables, or bitable-like structures.
- For task, calendar, or IM requests, prefer the matching domain-specific Feishu/Lark tools when they are exposed by the current preset.
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 · 55 lines · 29 tokens per session scan A 6b3a59bcb6d6
feishu-tools is a skill published in the GitHub repository ThinkInAIXYZ/deepchat (6,309 stars, last pushed today), licensed Apache-2.0. It adds 29 tokens to every session and 562 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.
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