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Speakeasy vs Cortex

SpeakeasyCortex

Bottom line: Speakeasy for aPI-first companies; Cortex for aPI teams with maintained specifications.

SpeakeasySpeakeasy

Generate production MCP servers and SDKs from your API, plus an MCP gateway

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CortexCortex

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

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Votes00
PricingFreemiumFree
CategoryMcpMcp
Tags
mcpmcp-server-generationopenapisdk-generationai-gateway
mcp serverapi documentationsdk generationopenapiopen source
Best for
  • API-first companies
  • Platform teams making APIs agent-ready
  • Enterprises needing MCP governance
  • API teams with maintained specifications
  • Teams exposing APIs to agents via MCP
  • Open-source projects needing docs and SDKs
Pros
  • Generates production MCP servers from OpenAPI
  • You fully own and can self-host the generated code
  • Supports both MCP transports plus streaming
  • Open-source Gram platform for MCP servers
  • MCP Gateway adds SSO, policy, and observability
  • 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
  • Best results require a clean, well-structured OpenAPI spec
  • MCP is a fast-moving standard, so patterns keep evolving
  • Gateway and enterprise governance suit larger orgs
  • Pricing for advanced tiers is not fully public
  • Overkill for teams without an existing API to expose
  • 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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