Markloop vs Mastra
Markloop vs Mastra, compared side by side on 15 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Markloop is on 9/100 and Mastra on 77/100.
Where each one leads
Markloop
Leads on none of the measures we hold for both companies.
Mastra
- our overall score: 77/100 against 9/100
- domain rating: 76/100 against 12/100
At a glance
| Measure | Markloop | Mastra |
|---|---|---|
| What it is | Share the HTML documents and artifacts your AI agent writes — from Claude Code, Codex, or any tool. People comment and answer your questions in context, and the feedback comes back to your agent, read | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. |
| Category | Agentic AI, AI Agent, AI Tool, Developer Tools | Agentic AI, AI Agents, Developer Tools, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2026 | 2024 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Markloop | Mastra |
|---|---|---|
| Employees | Not published | 53 |
| Headcount growthLast 12 months | Not published | +204.5% |
| Total funding | Not published | $35.5M |
| Latest round | Not published | Series A |
| LinkedIn followers | Not published | 6,591 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Markloop | Mastra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 9/100 | 77/100 |
| Traction | Not published | 70/100 |
| Team | Not published | 90/100 |
| Community | Not published | 38/100 |
| Search visibility | 8/100 | 68/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 12/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Markloop | Mastra |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Vercel |
| Frameworks | Bootstrap | Next.js, Tailwind CSS |
| Analytics | Segment | Not detected |
| Open source | No | Yes, 15,100 GitHub stars |
| Self-hostable | No | Yes |
Product and pricing
| Measure | Markloop | Mastra |
|---|---|---|
| Key features | Not published | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular |
What users say
| Measure | Markloop | Mastra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 2 votes |
Markloop vs Mastra: common questions
Which is better, Markloop or Mastra?
On our 0-100 score Mastra rates higher (77/100 against 9/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 15 data points above: read the rows that match what you are buying for.
How do Markloop and Mastra compare on the numbers?
Mastra leads on our overall score (77/100 against 9/100), domain rating (76/100 against 12/100).
Read the full Markloop review and pricing or the Mastra review and pricing. You can also browse other Markloop alternatives we track.