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miro-core-workflow-b Manage Miro connectors, images, embeds, app cards, and document items via REST API v2.
Use for visual workflows, embedding content, and building rich board layouts.
Trigger with phrases like "miro connectors", "miro embed",
"miro app card", "miro image upload", "connect miro items".
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name miro-core-workflow-b description Manage Miro connectors, images, embeds, app cards, and document items via REST API v2.
Use for visual workflows, embedding content, and building rich board layouts.
Trigger with phrases like "miro connectors", "miro embed",
"miro app card", "miro image upload", "connect miro items".
allowed-tools Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep version 1.6.0 license MIT author Jeremy Longshore <jeremy@intentsolutions.io> tags ["saas","miro","connectors","embeds","app-cards"] compatibility Designed for Claude Code
Miro Core Workflow B — Connectors, Embeds & Rich Items
Overview
Advanced item operations: connectors between items, image uploads, embedded content, app cards for custom integrations, and document items — all via the Miro REST API v2.
Prerequisites
Completed miro-core-workflow-a (boards and basic items)
Access token with boards:read and boards:write scopes
Connectors
Connectors are lines that visually link two items on a board. They replaced "lines" from the v1 API.
Create a Connector
const connector = await miroFetch (`/v2/boards/${boardId} /connectors` , 'POST' , {
startItem : {
id : startItemId,
position : {
x : 1.0 ,
y : 0.5 ,
},
},
endItem : {
id : endItemId,
snapTo : 'left' ,
},
captions : [
{
content : 'depends on' ,
position : 0.5 ,
textAlignVertical : 'top' ,
},
],
shape : 'curved' ,
style : {
color : '#1a1a2e'
fontSize
12
strokeColor
'#1a1a2e'
strokeWidth
2
strokeStyle
'normal'
startStrokeCap
'none'
endStrokeCap
'stealth'
console
log
`Connector ${connector.id} : ${startItemId} → ${endItemId} `
List All Connectors on a Board
const connectors = await miroFetch (`/v2/boards/${boardId} /connectors?limit=50` );
for (const c of connectors.data ) {
console .log (`${c.startItem.id} --[${c.captions?.[0 ]?.content ?? '' } ]--> ${c.endItem.id} ` );
}
Update a Connector
await miroFetch (`/v2/boards/${boardId} /connectors/${connectorId} ` , 'PATCH' , {
captions : [{ content : 'blocks' , position : 0.5 }],
style : { strokeColor : '#ff0000' , endStrokeCap : 'filled_triangle' },
});
Delete a Connector
await miroFetch (`/v2/boards/${boardId} /connectors/${connectorId} ` , 'DELETE' );
Images
Upload Image from URL
const image = await miroFetch (`/v2/boards/${boardId} /images` , 'POST' , {
data : {
url : 'https://example.com/architecture-diagram.png' ,
title : 'System Architecture' ,
},
position : { x : 500 , y : 0 },
geometry : { width : 400 },
});
Upload Image from Base64 Data URL import fs from 'fs' ;
const imageBuffer = fs.readFileSync ('diagram.png' );
const base64 = imageBuffer.toString ('base64' );
const dataUrl = `data:image/png;base64,${base64} ` ;
const image = await miroFetch (`/v2/boards/${boardId} /images` , 'POST' , {
data : { url : dataUrl, title : 'Local Diagram' },
position : { x : 0 , y : 400 },
});
Embed Items Embed external content (URLs rendered as previews).
const embed = await miroFetch (`/v2/boards/${boardId} /embeds` , 'POST' , {
data : {
url : 'https://www.youtube.com/watch?v=dQw4w9WgXcQ' ,
mode : 'inline' ,
previewUrl : '' ,
},
position : { x : -400 , y : 400 },
geometry : { width : 480 , height : 270 },
});
App Cards App cards display custom data from your integration, with structured fields and status indicators.
const appCard = await miroFetch (`/v2/boards/${boardId} /app_cards` , 'POST' , {
data : {
title : 'JIRA-1234: Fix login bug' ,
description : 'Users unable to log in after password reset' ,
status : 'connected' ,
fields : [
{ value : 'High' , iconUrl : '' , fillColor : '#ff0000' , iconShape : 'round' , tooltip : 'Priority' },
{ value : 'In Progress' , fillColor : '#ffd700' , iconShape : 'square' , tooltip : 'Status' },
{ value : 'John Doe' , tooltip : 'Assignee' },
],
},
style : { cardTheme : '#2d9bf0' },
position : { x : 600 , y : 200 },
});
Update App Card Status
await miroFetch (`/v2/boards/${boardId} /app_cards/${appCardId} ` , 'PATCH' , {
data : {
status : 'connected' ,
fields : [
{ value : 'Done' , fillColor : '#00c853' , tooltip : 'Status' },
],
},
});
Document Items
const doc = await miroFetch (`/v2/boards/${boardId} /documents` , 'POST' , {
data : {
url : 'https://example.com/spec.pdf' ,
title : 'Technical Specification v2' ,
},
position : { x : -600 , y : 0 },
});
Building a Visual Workflow Complete example: Kanban-style board with frames, cards, and connectors.
async function buildKanbanBoard (boardId : string const todoFrame = await miroFetch (`/v2/boards/${boardId} /frames` , 'POST' , {
data : { title : 'To Do' , format : 'custom' },
position : { x : 0 , y : 0 },
geometry : { width : 400 , height : 800 },
});
const doingFrame = await miroFetch (`/v2/boards/${boardId} /frames` , 'POST' , {
data : { title : 'In Progress' , format : 'custom' },
position : { x : 500 , y : 0 },
geometry : { width : 400 , height : 800 },
});
const doneFrame = await miroFetch (`/v2/boards/${boardId} /frames` , 'POST' , {
data : { title : 'Done' , format : 'custom' },
position : { x : 1000 , y : 0 },
geometry : { width : 400 , height : 800 },
});
const card1 = await miroFetch (`/v2/boards/${boardId} /cards` , 'POST' , {
data : { title : 'Design API schema' , description : 'OpenAPI 3.1 spec' },
position : { x : 0 , y : -200 },
parent : { id : todoFrame.id },
});
const card2 = await miroFetch (`/v2/boards/${boardId} /cards` , 'POST' , {
data : { title : 'Implement auth' , description : 'OAuth 2.0 flow' },
position : { x : 500 , y : -200 },
parent : { id : doingFrame.id },
});
await miroFetch (`/v2/boards/${boardId} /connectors` , 'POST' , {
startItem : { id : card1.id , snapTo : 'right' },
endItem : { id : card2.id , snapTo : 'left' },
captions : [{ content : 'blocks' }],
style : { endStrokeCap : 'stealth' , strokeStyle : 'dashed' },
});
}
Error Handling Error Status Cause Solution connectorStartItemNotFound404 Start item deleted Verify both items exist connectorEndItemNotFound404 End item deleted Verify both items exist invalidImageUrl400 URL inaccessible Check URL is publicly reachable imageTooLarge400 File exceeds size limit Resize image before upload embedUrlNotSupported400 URL cannot be embedded Check Miro's supported embed providers
Resources
Next Steps For common errors and troubleshooting, see miro-common-errors.
