Compare

Substructure vs. DeepSeek Harness

DeepSeek Harness is an agent runtime you run on your own machine, where every part is a plugin. Substructure is a server that runs agents for a team, in Slack and your own clients.

Substructure vs. CrewAI for AI agents

CrewAI gives you role-based crews of agents in Python, with a no-code studio on the paid platform. Substructure runs agents your whole team uses in Slack, in any language.

Substructure vs. Inngest for AI agents

Inngest makes your functions durable and gives you AgentKit to assemble an agent in TypeScript. Substructure is the assembled agent, running in Slack with MCP and your own tools.

Substructure vs. LangGraph for AI agents

LangGraph is the agent loop as a graph in your own Python or TypeScript process. Substructure is an engine that runs agents for your team, in any language.

Substructure vs. Mastra for AI agents

Mastra is a TypeScript framework for building an agent into your own app. Substructure is an engine that runs agents your team uses through Slack and your own clients.

Substructure vs. n8n for AI agents

n8n puts an AI agent on a visual canvas with 500+ integrations. Substructure runs agents as config in git, with every step of the loop open to your code.

Substructure vs. the OpenAI Agents SDK

The OpenAI Agents SDK is a library you host, built around OpenAI's models and hosted tools. Substructure is an engine that runs agents for your team, on any model.

Substructure vs. Temporal for AI agents

Temporal gives you durable execution, and you build the agent around it. Substructure gives you the agent itself, running in Slack with MCP and your own tools.