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The Agent Stack: Agent Facing Software

This landscape covers startups building software whose primary user is an AI agent rather than a human. These products give agents the infrastructure they need to act independently across digital and real-world environments.

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Categories

  • Identity, Credentials & Permissions

    Software that gives agents a persistent identity and controlled access to external systems while keeping credentials and permissions secure.

  • Payments & Financial Accounts

    Infrastructure that allows agents to transact autonomously while remaining within predefined financial controls.

  • Communication Channels

    Services that give agents their own communication endpoints so they can interact directly with people and other software.

  • Compute & Interaction Environments

    Cloud environments that give agents a persistent digital workspace from which they can operate software as a human user would.

  • Agent Tool Access & Execution

    Infrastructure that gives AI agents direct access to external software and allows them to execute actions through secure machine-readable interfaces.

  • Agent Memory & Context

    Infrastructure that preserves knowledge across tasks and sessions so AI agents can maintain continuity and use previously learned context.

  • Human & Physical-World Access

    Services that allow agents to delegate work to people when a task cannot be completed entirely through software.

  • Search & Data Access

    Infrastructure that gives AI agents access to external information at the moment it is needed for a task.

  • Agent Networking

    Network infrastructure that gives agents persistent addresses and allows them to discover, authenticate, and communicate directly with other agents.

  • Agent Runtime & Orchestration

    Infrastructure that keeps agent workflows stateful, durable and coordinated across long-running executions, failures and external dependencies.

Companies

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