Compare
Mastra vs MCPExplorer
A TypeScript framework for building AI agents, not a server index; MCPExplorer supplies ready-made verified tools.
MastraTypeScript framework for AI agents
MCPExplorerA hand-picked index of great MCP servers with install commands, transport, provenance, and…Which to pick
Pick Mastra if you want…
- Typed AI agents with built-in observability
- Building custom agent frameworks
- Integrations with React, Next.js or Node (on Mastra's list, not MCPExplorer's)
Pick MCPExplorer if you want…
- Verified MCP server catalog
- A free, open-source tool
- Integrations with GitHub, Linear or Vercel (on MCPExplorer's list, not Mastra's)
Side by side
- What it is
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- MCPExplorer:MCPExplorer is a curated index of verified MCP servers with install commands, provenance, and capability details.
- Best for
- Mastra:Typed AI agents with built-in observability
- MCPExplorer:Verified MCP server catalog
- Who it’s for
- Mastra:TypeScript developers building AI-powered applications and agents.
- MCPExplorer:Developers building AI agents who need trusted external tools.
- Pricing
- Mastra:Freemium
- MCPExplorer:Free
- Plans
- Mastra:Starter $0 per month · Teams $250 per month
- MCPExplorer:—
- Open source
- Mastra:Yes, 28,481 GitHub stars
- MCPExplorer:Yes, 1 GitHub stars
- Works with
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
- MCPExplorer:GitHub, Linear, Vercel, PostHog, Notion, Stripe, Supabase, Sentry
Mastra features
- Typed Agents. Define agents with instructions, models, tools and runtime behavior in TypeScript.
- Workflows. Compose multi-step, retryable, branchable workflows with typed control flow.
- Harness. Coordinate multi-mode agents with shared state, threads and storage.
- Memory. Durable observational memory with semantic recall and thread-aware storage.
- Observability. Logs, metrics, traces, datasets and signals for full runtime insight.
- Server & Studio. Run agents locally or in Mastra Cloud and manage them via a web studio.
MCPExplorer features
- Hand-picked verified servers. Only live, first-party MCP servers are included after manual checks.
- Searchable index. Browse or query 5,761 servers across 33 053 verified tools.
- Machine-readable API. Access the full index via JSON manifests, markdown mirrors, and llms.txt.
- Install config generation. Generate ready-to-use install commands for selected servers.
- Provenance & timestamps. Each entry shows source, risk label, and last-checked date.
- Submit your own server. Publish and get your MCP server verified and listed for free.
Mastra vs MCPExplorer FAQ
Is Mastra or MCPExplorer free?+
Mastra has a free plan (Starter); paid plans start at $250/month (Teams). MCPExplorer is free.
Which is cheaper, Mastra or MCPExplorer?+
MCPExplorer is free, so it costs less. Mastra starts at $250/month (Teams).
Is Mastra or MCPExplorer open source?+
Yes, both are open source: Mastra (mastra-ai/mastra on GitHub) and MCPExplorer (mcpexplorer/mcp on GitHub, MIT license).
Do Mastra and MCPExplorer integrate with the same tools?+
Their integration lists don't overlap: Mastra lists React, Next.js, Node, LibSQL and 2 more; MCPExplorer lists GitHub, Linear, Vercel, PostHog and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.