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Mastra Factory vs Cortex

Mastra FactoryCortex

Bottom line: Mastra Factory for engineering teams with a steady issue backlog; Cortex for aPI teams with maintained specifications.

Mastra FactoryMastra Factory

Agent-run software delivery that takes an issue from triage to reviewed pull request

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CortexCortex

Turn API specifications into docs, typed SDKs, and an MCP server

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Votes00
PricingFreemiumFree
CategoryAgent FrameworksMcp
Tags
agentic sdlccoding agentspull requestsopen sourcedeveloper workflow
mcp serverapi documentationsdk generationopenapiopen source
Best for
  • Engineering teams with a steady issue backlog
  • Mastra framework users
  • Teams wanting self-hosted agent delivery
  • API teams with maintained specifications
  • Teams exposing APIs to agents via MCP
  • Open-source projects needing docs and SDKs
Pros
  • Built on an established open-source agent framework
  • Apache 2.0 core with a real self-hosted path
  • Human approval gates before implementation
  • Output lands as reviewable pull requests
  • Board-based view of agent work in progress
  • MIT licensed with a public repository
  • Generates docs, SDKs, and an MCP server from one spec
  • Supports OpenAPI, AsyncAPI, GraphQL, gRPC, and OpenRPC
  • Eleven SDK output languages
  • Fully self-hostable, deployable anywhere Node runs
Cons
  • Usage-based billing on events and CPU hours can be hard to forecast
  • Teams tier is a significant step up at 250 dollars per month
  • Young product in a category that is changing fast
  • Value depends heavily on issue quality and repo hygiene
  • No public API documented at launch
  • Output quality depends entirely on spec quality
  • No hosted service or commercial support
  • Requires a build step in your pipeline
  • No team collaboration features
  • Young project with a small ecosystem

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