Cortex

For developers: Cortex converts API specs into docs, SDKs, and MCP servers so you ship integrations 10x faster.

Built by Nick Chisiu and fmerian · Free

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Product Hunt listing

Listing status

281upvotes

Community score

Nick Chisiu and fmerian (Joined Sep 2026)

Founder

Compared against 4 alternatives

Market comparison

Launched on Launch Llama Sep 13, 2026 · #12 of 31 that day

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About

Cortex is an open-source API knowledge layer that converts API specifications into multiple developer and AI agent interfaces. It helps developers and AI agents integrate with APIs by providing documentation, typed client libraries, and tool schemas from a single configuration.

Launch Llama's Take

Based on Launch Llama data as of November 2026

Cortex has 281 upvotes, including the votes it received on Product Hunt. It has been listed on Launch Llama since September 2026. No Launch Llama members have upvoted it yet and it has no reviews yet.

Key Features

Generate interactive API documentation with search and live request builder
Create typed SDKs in eleven programming languages from API specifications
Build MCP servers with typed tools and embedded API documentation
Support multiple API specification formats in a single project
Export and customize generated code using open template overrides

Use Cases

API teams wanting to maintain a single source of truth for documentation and client libraries across multiple languages
Developers integrating AI agents with REST, GraphQL, or gRPC APIs by providing agents with typed tool schemas and documentation

Who it is for

Developers integrating with APIs who want typed SDKs in their language
API platform teams who maintain docs, SDKs, and interfaces for their APIs
Teams building AI agents that need structured context and tools from their APIs

Pricing

Cortex is free to use. See the website for details.

View Cortex pricing →

Cortex at a glance

01What it is: Cortex: For developers: Cortex converts API specs into docs, SDKs, and MCP servers so you ship integrations 10x faster.
02Pricing: Cortex pricing: Free.
03Best for: Cortex is best for developers integrating with APIs who want typed SDKs in their language, aPI platform teams who maintain docs, SDKs, and interfaces for their APIs and teams building AI agents that need structured context and tools from their APIs.
04Alternatives: Top Cortex alternatives on Launch Llama: api to mcp converter, apideck and AgentsKit.