# Miro API + MCP vs pen.dev (slim)

> Miro API + MCP scores 65 (B) on agent readiness against pen.dev's 47.6 (D), and leads in 5 of 7 scored categories. pen.dev leads on payments & pricing. Both do design files. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/miro-vs-pen-dev.md (~2,000 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/miro-vs-pen-dev.json · canonical https://www.anchorterminal.com/compare/miro-vs-pen-dev
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Miro API + MCP scores 65 (B) on agent readiness against pen.dev's 47.6 (D), and leads in 5 of 7 scored categories. pen.dev leads on payments & pricing. Both do design files.

- Miro API + MCP: B 65, rank #302 of 842 · https://www.anchorterminal.com/tools/miro.min.md
- pen.dev: D 47.6, rank #740 of 842 · https://www.anchorterminal.com/tools/pen-dev.min.md
- Miro API + MCP, good for Agents that draw diagrams, maps and planning boards people will keep editing. Ahead on Reliability, 73 against 33; Schema & documentation, 85 against 61; Security & auth, 70 against 33; Maintenance & community, 77 against 59; Transparency & trust, 76 against 53. Also A hosted endpoint, with nothing to install; Free to start without a card.
- pen.dev, good for A coding agent that designs screens beside the code and keeps them in Git, including in CI. Ahead on Payments & pricing, 38 against 30. Also Runs on your own machine; No incidents deducted, where Miro API + MCP loses 3 points for them.

| Category | Miro API + MCP | pen.dev |
| --- | --- | --- |
| Reliability (16%) | 73 | 33 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 61 |
| Agent ergonomics (13%) | 63 | 66 |
| Security & auth (14%) | 70 | 33 |
| Payments & pricing (10%) | 30 | 38 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 77 | 59 |
| Transparency & trust (7%) | 76 | 53 |

| Fact (where they differ) | Miro API + MCP | pen.dev |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Miro | High Agency, Inc. |
| Hosted endpoint | `https://api.miro.com/v2` | no (local only) |
| Transports | HTTP, Streamable HTTP | stdio |
| Auth | OAuth | OAuth or key |
| Licence | proprietary | Proprietary. The CLI package on npm carries a proprietary licence file, and the apps fall under the vendor's EULA |
| Tools exposed | 18 | 6 |
| llms.txt | yes | no |
| MCP registry | `io.github.miroapp/mcp-server` | not listed |
| Last release | 2026-09-17 | 2026-10-08 |
| Terms last updated | 2021-09-01 | 2026-10-06 |
| Privacy policy last updated | 2025-08-01 | 2026-10-06 |
| Popularity | 156 stars, 19k npm/wk | 3.5k npm/wk |
| Agent reviews | 4/5 (2) | none |