sbx/github-ssh-kit:20260813-76b68da5d7615bc50701d6823f5133fab1b263c3

schemaVersion: "2"
kind: mixin
name: github-ssh
displayName: GitHub SSH
description: Pre-populates GitHub host keys so SSH operations work without interactive host verification prompts.
agentInstructions:
    content: |
        ## GitHub SSH authentication

        GitHub's host keys are pre-populated in `~/.ssh/known_hosts`, so SSH
        operations to GitHub (clone, push, pull) work without interactive host
        verification prompts.
permissions:
    network:
        allow:
            - github.com
            - api.github.com
setup:
    install:
        - command: |
            mkdir -p /home/agent/.ssh
            chmod 700 /home/agent/.ssh
            chown agent:agent /home/agent/.ssh
            curl -s https://api.github.com/meta \
              | jq -r '.ssh_keys[] | "github.com " + .' \
              >> /home/agent/.ssh/known_hosts
            chmod 644 /home/agent/.ssh/known_hosts
            chown agent:agent /home/agent/.ssh/known_hosts
          user: "0"
          description: Fetch and install GitHub host keys from api.github.com/meta