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Mastra vs skilder
Short answer: Pick Mastra if you want typed AI agents with built-in observability; pick skilder if you want versioned AI plugins with guardrails. Mastra has a free plan, paid from $250/month; skilder has a free plan.
MastraTypeScript framework for AI agents
skilderCompose agent plugins from skills, MCP servers and apps in one place.Which to pick
Pick Mastra if you want…
- Typed AI agents with built-in observability
- LLM app framework
- Integrations with React, Next.js or Node (on Mastra's list, not skilder's)
Pick skilder if you want…
- Versioned AI plugins with guardrails
- Integrations with Claude, ChatGPT or Copilot (on skilder'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.
- skilder:skilder lets teams package AI skills, MCP tools and apps into versioned plugins served to any MCP-compatible assistant.
- Best for
- Mastra:Typed AI agents with built-in observability
- skilder:Versioned AI plugins with guardrails
- Who it’s for
- Mastra:TypeScript developers building AI-powered applications and agents.
- skilder:IT, security and product teams that need governed AI capabilities across tools.
- Pricing
- Mastra:Freemium
- skilder:Freemium
- Starting price
- Mastra:$250/month (Teams)
- skilder:—
- Free plan or trial
- Mastra:Free plan (Starter)
- skilder:—
- Plans
- Mastra:Starter $0 per month · Teams $250 per month
- skilder:—
- Open source
- Mastra:Yes, 28,481 GitHub stars
- skilder:Yes, 1 GitHub stars
- Works with
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
- skilder:Claude, ChatGPT, Copilot, Gemini, Grok, Muse, Cursor, GitHub
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.
skilder features
- Skill packaging. Define skills with method, scripts and metadata, stored and versioned centrally.
- MCP server integration. Connect internal MCP servers once and scope tool access per plugin.
- Guardrails & audit logs. Enforce policies on tool calls and export per-user execution traces.
- Multi-assistant support. Serve plugins to Claude, ChatGPT, Copilot, Gemini, Cursor and any MCP client.
- Enterprise security. Enterprise SSO, RBAC, OAuth, GDPR/FADP compliance, hosted in Switzerland or EU.
- App UI in chat. Render small interactive apps (tables, forms, buttons) within the AI conversation.
Mastra vs skilder FAQ
What is the difference between Mastra and skilder?+
Mastra: Framework for building LLM apps and agents, lacks centralized plugin versioning and audit logs.
Should I use Mastra or skilder?+
Pick Mastra if you want typed AI agents with built-in observability, LLM app framework or integrations with React, Next.js or Node (on Mastra's list, not skilder's). Pick skilder if you want versioned AI plugins with guardrails or integrations with Claude, ChatGPT or Copilot (on skilder's list, not Mastra's).
Is Mastra or skilder free?+
Mastra has a free plan (Starter); paid plans start at $250/month (Teams). skilder has a free plan and paid plans.
Is Mastra or skilder open source?+
Yes, both are open source: Mastra (mastra-ai/mastra on GitHub) and skilder (skilder-ai/plugin on GitHub, MIT license).
Do Mastra and skilder integrate with the same tools?+
Their integration lists don't overlap: Mastra lists React, Next.js, Node, LibSQL and 2 more; skilder lists Claude, ChatGPT, Copilot, Gemini and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.