Compare
Agent Coach vs Mastra
Mastra is a TypeScript framework for building agents; Agent Coach is a ready-to-use skill matching and coaching service.
Agent CoachSecurity-scanned skills and a daily coach for AI agents
MastraTypeScript framework for AI agentsWhich to pick
Pick Agent Coach if you want…
- Security-scanned skill matching for agents
- A free tool
- Integrations with Claude Code, Cursor or Codex (on Agent Coach's list, not Mastra's)
Pick Mastra if you want…
- Typed AI agents with built-in observability
- TypeScript agent framework
- Open-source code (mastra-ai/mastra on GitHub)
- Integrations with React, Next.js or Node (on Mastra's list, not Agent Coach's)
Side by side
- What it is
- Agent Coach:Agent Coach provides security-scanned skill matching and daily coaching for AI agents.
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Best for
- Agent Coach:Security-scanned skill matching for agents
- Mastra:Typed AI agents with built-in observability
- Who it’s for
- Agent Coach:Developers building or managing autonomous AI agents.
- Mastra:TypeScript developers building AI-powered applications and agents.
- Pricing
- Agent Coach:Free
- Mastra:Freemium
- Plans
- Agent Coach:—
- Mastra:Starter $0 per month · Teams $250 per month
- Open source
- Agent Coach:—
- Mastra:Yes, 28,481 GitHub stars
- Works with
- Agent Coach:Claude Code, Cursor, Codex, OpenClaw, Grok Bot
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
Agent Coach features
- One-line skill matching. Paste a single line and the agent receives matched skills, MCP servers and prompts from a curated library.
- Security scanning. All 3,302 items are scanned with semgrep, gitleaks, osv-scanner and custom rules for prompt injection and exfiltration.
- Daily coach check-ins. Each day the coach tells the owner which items to keep or drop based on 10 public verdict rules.
- Owner digest. A daily digest is sent to the owner summarizing kept, dropped and flagged items.
- MCP server & OpenAPI spec. Provides an MCP server endpoint and an OpenAPI specification for integration.
- Public verdict rules. Items are classified as permanent, temporary, promising, trial, pending removal or unproven.
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.
Agent Coach vs Mastra FAQ
Is Agent Coach or Mastra free?+
Agent Coach is free. Mastra has a free plan (Starter); paid plans start at $250/month (Teams).
Which is cheaper, Agent Coach or Mastra?+
Agent Coach is free, so it costs less. Mastra starts at $250/month (Teams).
Is Agent Coach or Mastra open source?+
Mastra is open source (mastra-ai/mastra on GitHub). DevHunt has no public source repository on record for Agent Coach.
Do Agent Coach and Mastra integrate with the same tools?+
Their integration lists don't overlap: Agent Coach lists Claude Code, Cursor, Codex, OpenClaw and 1 more; Mastra lists React, Next.js, Node, LibSQL and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.