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Postiz vs Cortex

PostizCortex

Bottom line: Postiz for developers; Cortex for aPI teams with maintained specifications.

Open-source, self-hostable AI social media scheduler for 30+ networks

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

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Votes00
PricingFreemiumFree
CategorySocial MediaMcp
Tags
social schedulingopen sourceself-hostedcontent calendarai posts
mcp serverapi documentationsdk generationopenapiopen source
Best for
  • Developers
  • Agencies
  • Privacy-focused teams
  • API teams with maintained specifications
  • Teams exposing APIs to agents via MCP
  • Open-source projects needing docs and SDKs
Pros
  • Fully open source and self-hostable
  • Self-hosted parity with cloud
  • Supports 30+ networks
  • Public API and MCP server
  • Automation integrations like n8n and Make
  • 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
  • Self-hosting needs technical skill
  • No native mobile app
  • Smaller polish than big incumbents
  • AI media has usage quotas
  • Support is community-driven for self-host
  • 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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