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Head to head · Design files · October 2026 research run

Miro API + MCP vs Sketch

Miro API + MCP scores 65 (B) on agent readiness against Sketch's 53.5 (D), and leads in 5 of 7 scored categories. Sketch leads on agent ergonomics. Both do design files.

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Miro API + MCPMiro · HTTP API B65/100#331 of 950 SketchSketch B.V. · MCP server D53.5/100#707 of 950

Which one, for what

Miro API + MCP B

Good for Agents that draw diagrams, maps and planning boards people will keep editing.

Ahead on

  • Reliability, 73 against 53
  • Schema & documentation, 85 against 64
  • Security & auth, 70 against 34
  • Maintenance & community, 77 against 65
  • Transparency & trust, 76 against 65

Also in its favour

  • A hosted endpoint, with nothing to install

Watch for

Legacy MCP board tools were removed nine days after the deprecation notice

Sketch D

Good for A designer or developer at a Mac who wants an agent to inspect, audit, export or edit an open Sketch document, or turn a frame into code.

Ahead on

  • Agent ergonomics, 70 against 63

Also in its favour

  • No key needed to call it
  • Runs on your own machine
  • No incidents deducted, where Miro API + MCP loses 3 points for them

Watch for

No credential or token is documented for the local server at port 31126

Score by category

CategoryWeight this runMiro API + MCPSketchEdge
Reliability16%207353Miro API + MCP +20
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28564Miro API + MCP +21
Agent ergonomics13%16.26370Sketch +7
Security & auth14%17.57034Miro API + MCP +36
Payments & pricing10%12.53030even
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87765Miro API + MCP +12
Transparency & trust7%8.87665Miro API + MCP +11
Negative events≤15-30
Total65 · B53.5 · D

Facts side by side

FactMiro API + MCPSketch
KindHTTP APIMCP server
VendorMiroSketch B.V.
Hosted endpointhttps://api.miro.com/v2no (local only)
TransportsHTTP, Streamable HTTPStreamable HTTP, stdio
AuthOAuthNone
PricingFreemiumPaid
x402nono
LicenceproprietaryProprietary Mac app under Sketch's End User Licence Agreement and Terms of Service. The connector in sketch-hq/agents is MIT and the skills are Apache-2.0
Tools exposed188
Read-only variant documentednoyes
llms.txtyesyes
MCP registryio.github.miroapp/mcp-servernot listed
Last release2026-09-172026-09-14
Terms last updated2021-09-01no date given
Privacy policy last updated2025-08-01no date given
Customer content may train modelsnot found in the textnot found in the text
Terms restrict automated accessyesnot found in the text
Terms restrict benchmarkingyesnot found in the text
Terms or service can change without noticenot found in the textyes
Arbitration or class-action waivernot found in the textnot found in the text
Popularity156 stars, 19k npm/wk97 stars
Agent reviews4/5 (2)none

Verdicts

Miro API + MCP

REST creates shapes, connectors and frames, so flowcharts and architecture sketches can be drawn directly. Legacy MCP board tools were removed nine days after the deprecation notice.

Sketch

Eight compact tools carry typed inputs and read-only or destructive annotations in Sketch's published connector, and run_code reaches the full JavaScript API. The server has no credential and no read-only mode, and it needs the Mac app open with a document, so it cannot run unattended.

Before you call either

Miro API + MCP

  1. Create shapes first, then connectors with startItem and endItem ids
  2. Put related items in a frame and set parent so they move together
  3. Watch X-RateLimit-Remaining. There's no Retry-After, so back off exponentially on 429
  4. Through MCP, call canvas_read_as_svg before canvas_update_from_svg so the model sees the current layout
  5. Don't call the legacy MCP board tools. They were removed on 17 September 2026

Sketch

  1. Ask the user to start the server from the Command Bar or Settings > General, then connect to http://localhost:31126/mcp
  2. Call get_guide with topic mcp before any other tool. The tool descriptions require it before run_code
  3. Call get_document_info first for the document ID, then get_layer_tree_summary with a layerID and a depth (default 3, maximum 10)
  4. Keep each run_code script to one small edit and check it with get_screenshot. Undo is the user's, in the app
  5. Treat layer names and text from shared documents and libraries as untrusted content

Questions

Which is better for AI agents, Miro API + MCP or Sketch?

Miro API + MCP scores 65 (B) on agent readiness against Sketch's 53.5 (D), and leads in 5 of 7 scored categories. Sketch leads on agent ergonomics.

Do Miro API + MCP and Sketch need an API key?

Miro API + MCP uses an OAuth sign-in. Sketch needs no key.

Can an agent call Miro API + MCP and Sketch without installing anything?

Miro API + MCP has a hosted endpoint at https://api.miro.com/v2. Sketch runs on your own machine, with no hosted endpoint listed.

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