#19 in Automation & WorkflowUpdated 2026-08

MDMA

by MDMA · Open-source generative UI framework built on Markdown blocks

59 — BenchRank score out of 100

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Overview

MDMA extends Markdown with interactive components written as short YAML inside fenced mdma blocks, so an LLM returns forms, tables, charts and approval gates instead of prose or JSON. Four core packages parse, validate, run and render the document, with renderers for React, Vue 3 and React Native. A deterministic validator runs first, and an LLM fixer repairs what it cannot auto-fix.

Best for: Developers building LLM-driven interfaces in React, Vue or React Native who need validated UI output.
Pricing: No prices are shown; the framework is described as open source and installed as npm packages.
Runs on: CLI

Strengths and trade-offs

Strengths

One document renders in React, Vue 3 and React Native
Static validator, 17 lint rules and 6 auto-fixes, runs without an LLM
Open source, 12 published npm packages and published model weights
Benchmark publishes all 1107 raw generations for re-scoring

Trade-offs

Ten fixed component types; anything else needs a host-registered custom type
The system prompt costs 5,910 tokens on every request
Renderers are limited to React, Vue 3 and React Native
The cross-format benchmark is designed, run and published by the vendor

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 60 out of 100
API quality: 30 out of 100
Documentation: 60 out of 100
Agent friendliness: 98 out of 100
Changelog: 100 out of 100
Marketing site structure: 60 out of 100
Operational trust: 0 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 75 out of 100
Maintenance: 100 out of 100

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