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Use Colossus

Start a task in the terminal or an editor, return to it later, and bring in the information it needs. These guides show the user-facing workflows; each keeps the same Colossus model routing, tools, approvals, and session history.

Connect a model

Choose where to work

  • Terminal UI


    Talk through a task, watch tools run, and answer approvals in the terminal.

    Work in the terminal

  • Agent runs


    Run one prompt from the shell or capture JSON for a script.

    Run an agent task

  • ACP in editors


    Use Colossus as a local agent in an ACP-compatible editor.

    Connect an editor

Keep work moving

  • Sessions


    Find a conversation and continue it from the CLI or terminal UI.

    Resume a session

  • Context


    Read the model input budget and manage long-session snapshots.

    Understand context

  • Planning


    Review a durable plan, then run it once or through a bounded goal loop.

    Plan a task

  • Goals and subagents


    Iterate on a longer objective or delegate bounded work.

    Explore goals

Find and keep information

  • Search


    Run a web search, understand its results, and see how agent and research routes use it.

    Explore search

  • Deep research


    Produce a durable cited report from repository, web, or MCP evidence.

    Investigate a question

  • Memories


    Save reusable context for later work.

    Explore memories

  • Decisions


    Record a binding workspace choice that future work should respect.

    Record a decision

  • Tools


    See the catalog of actions the agent can take in this workspace.

    Explore tools

For skills, plugins, MCP servers, and workflows, see Extend Colossus.