Tencent SkillHub · Productivity

feishu-doc-write

Feishu (Lark) Document API writing spec. Converts Markdown content to Feishu Block structures and writes to cloud docs. Handles concurrency ordering. Use when syncing articles, creating document blocks, or writing long-form content to Feishu docs.

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Requirements

Target platform: OpenClaw
Install method: Manual import
Extraction: Extract archive
Prerequisites: OpenClaw
Primary doc: SKILL.md

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Download mode: Yavira redirect
Package format: ZIP package
Source platform: Tencent SkillHub
What's included: SKILL.md

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Release facts

Source: Tencent SkillHub
Verification: Indexed source record
Version: 1.0.0

Provenance

Publisher: sunnyyao2222-eng
Source page: View original listing
Canonical URL: Open canonical page

Documentation

ClawHub primary doc Primary doc: SKILL.md 23 sections Open source page

Feishu Document Writer

Reference spec for writing content to Feishu (Lark) cloud documents via the Docx API. Feishu docs use a Block tree model — raw Markdown is not accepted. Document (block_type=1, Page) +-- Heading1 Block (block_type=3) +-- Text Block (block_type=2) +-- Callout Block (block_type=19) | +-- Text Block | +-- Bullet Block +-- Image Block (block_type=27) +-- Divider Block (block_type=22)

Preferred Approach: Convert API

Feishu provides an official Markdown -> Blocks conversion endpoint: POST /open-apis/docx/v1/documents/{document_id}/convert { "content": "# Title\n\nBody text\n\n- Item 1\n- Item 2\n\n> Quote", "content_type": "markdown" } Pros: No manual Block JSON construction. Handles most standard Markdown. Limitation: Does not support Feishu-specific blocks (Callout, etc.) — use manual Block creation for those.

Block Type Reference

block_typeNameJSON KeyNotes1PagepageDocument root2TexttextParagraph3-11Heading1-9heading1-heading9Headings12BulletbulletUnordered list (each item = separate block)13OrderedorderedOrdered list14CodecodeCode block (with style.language enum)15QuotequoteBlockquote17TodotodoCheckbox item (with style.done)19CalloutcalloutHighlight box (Feishu-specific, container block)22DividerdividerHorizontal rule27ImageimageTwo-step: create placeholder, then upload31TabletableTable34QuoteContainerquote_containerQuote container

Create Blocks API

POST /open-apis/docx/v1/documents/{document_id}/blocks/{block_id}/children?document_revision_id=-1 Headers: Content-Type: application/json Authorization: Bearer <tenant_access_token> Body: { "children": [ ...Block array... ], "index": 0 } block_id: Parent block ID (usually document_id itself for root) index: Insert position (0 = beginning, -1 or omit = end)

Text

{ "block_type": 2, "text": { "elements": [{ "text_run": { "content": "Paragraph text here", "text_element_style": { "bold": false, "italic": false } } }] } }

Heading

{ "block_type": 3, "heading1": { "elements": [{ "text_run": { "content": "H1 Title" } }] } } { "block_type": 4, "heading2": { "elements": [{ "text_run": { "content": "H2 Title" } }] } }

Bullet / Ordered List

{ "block_type": 12, "bullet": { "elements": [{ "text_run": { "content": "List item" } }] } } { "block_type": 13, "ordered": { "elements": [{ "text_run": { "content": "Numbered item" } }] } } Each list item is a separate Block.

Code Block

{ "block_type": 14, "code": { "elements": [{ "text_run": { "content": "console.log('hello');" } }], "style": { "language": 23, "wrap": false } } } Common language enums: PlainText=1, JavaScript=23, Python=40, TypeScript=49, Go=20, Shell=46, SQL=47, Java=22, Rust=44, C=12, CSS=17, HTML=21, Docker=19.

Callout (Feishu-specific highlight box)

Callout is a container block — create it first, then add child blocks inside. // Step 1: Create callout as document child { "block_type": 19, "callout": { "background_color": 3, "border_color": 3, "emoji_id": "star" } } // Step 2: POST .../blocks/{callout_block_id}/children { "children": [{ "block_type": 2, "text": { "elements": [{ "text_run": { "content": "Highlight text" } }] } }] } Color enums: Red=1, Orange=2, Yellow=3, Green=4, Blue=5, Purple=6, Grey=7.

Divider

{ "block_type": 22, "divider": {} }

Image (two-step)

Step 1: Create placeholder block { "block_type": 27, "image": {} } Step 2: Upload via POST /open-apis/drive/v1/medias/upload_all - multipart/form-data: file, file_name, parent_type="docx_image", parent_node=<image_block_id>

Text Styling

Apply styles via text_element_style in text_run: PropertyTypeEffectboldboolBolditalicboolItalicstrikethroughboolStrikethroughunderlineboolUnderlineinline_codeboolInline codetext_colorintText color (same enum as callout colors)background_colorintBackground colorlink.urlstringHyperlink Multiple text_run elements in one block = mixed styles in one paragraph.

Markdown to Block Mapping

Markdownblock_typeJSON Key# H13heading1## H24heading2### H35heading3Paragraph2text- item12bullet1. item13orderedCode fence14code> quote15quote- [ ] todo17todo---22divider![](url)27image (two-step)**bold**--text_element_style.bold: true*italic*--text_element_style.italic: true`code`--text_element_style.inline_code: true~~strike~~--text_element_style.strikethrough: true[text](url)--text_element_style.link.url(no MD equivalent)19callout (Feishu-specific)

Concurrency & Ordering (Critical)

Problem: Concurrent Block creation API calls produce random ordering.

Solution A: Single Batch Request (Recommended)

Put all blocks in one children array, single API call: { "children": [ { "block_type": 3, "heading1": { "elements": [{"text_run": {"content": "Title"}}] } }, { "block_type": 2, "text": { "elements": [{"text_run": {"content": "Paragraph 1"}}] } }, { "block_type": 22, "divider": {} }, { "block_type": 4, "heading2": { "elements": [{"text_run": {"content": "Section 2"}}] } } ], "index": 0 }

Solution B: Serial Writes with Index

For long content requiring multiple requests, execute serially with explicit index: Request 1: index=0, write block A Request 2: index=1, write block B (wait for A to succeed) Request 3: index=2, write block C (wait for B to succeed)

Solution C: Collect-Then-Write (Recommended)

LLM outputs complete Markdown -> Conversion layer -> Single API batch write Never let the LLM write one paragraph at a time with concurrent API calls.

Complete Write Flow

Create document: POST /open-apis/docx/v1/documents with { "folder_token": "<token>", "title": "Title" } -> returns document_id Build Block array: Convert full content to Block JSON Batch write: POST .../documents/{doc_id}/blocks/{doc_id}/children?document_revision_id=-1 with all blocks Container blocks (optional): For Callout etc., get block_id from step 3 response, then add children

Custom Callout Syntax

Since Markdown has no Callout equivalent, use this custom markup: :::callout{color=yellow emoji=bulb} Highlight content here. Supports **bold**, *italic*, and lists. ::: ParamValuesDefaultPurposecolorred, orange, yellow, green, blue, purple, greyyellowBackground & borderemojiAny Feishu emoji_id (bulb, star, warning, fire)bulbLeft iconborderSame as color valuesSame as colorBorder color (override) Common templates: :::callout{color=yellow emoji=bulb} **Key Insight**: The most important takeaway ::: :::callout{color=red emoji=warning} **Warning**: Common misconception ::: :::callout{color=green emoji=check} **Action Item**: What to do next :::

Rate Limits & Constraints

Max blocks per batch: ~50 recommended Long articles: Split by H2/H3 sections, 200-500ms between batches Always use document_revision_id=-1 (latest version) Token validity: ~2 hours, cache and refresh before expiry

Authentication

curl -X POST 'https://open.feishu.cn/open-apis/auth/v3/app_access_token/internal' \ -H 'Content-Type: application/json' \ -d '{ "app_id": "<app_id>", "app_secret": "<app_secret>" }'

Schema Pitfalls (Battle-tested)

No Markdown tables in write ops — use bullet lists instead (prevents schema errors) No nested code blocks inside lists — Feishu schema validation is strict on nesting depth Callout is a container — always requires a two-step create (container first, then children) Each list item = separate Block — don't try to put multiple items in one block

References

Create Blocks API: https://open.feishu.cn/document/ukTMukTMukTM/uUDN04SN0QjL1QDN/document-docx/docx-v1/document-block-children/create Block Data Structure: https://open.feishu.cn/document/ukTMukTMukTM/uUDN04SN0QjL1QDN/document-docx/docx-v1/data-structure/block Convert API: https://open.feishu.cn/document/ukTMukTMukTM/uUDN04SN0QjL1QDN/document-docx/docx-v1/document/convert Extended API reference: See FEISHU_API_HANDBOOK.md in workspace root

Category context

Workflow acceleration for inboxes, docs, calendars, planning, and execution loops.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package

1 Docs

SKILL.md Primary doc