Skill

depot-github-runners

Configures Depot-managed GitHub Actions runners as a drop-in replacement for GitHub-hosted runners. Use when setting up or migrating GitHub Actions workflows to use Depot runners, choosing runner sizes (CPU/RAM), configuring runs-on labels, setting up ARM or Windows or macOS runners, troubleshooting GitHub Actions runner issues, configuring egress filtering, using Depot Cache with GitHub Actions, or running Dagger/Dependabot on Depot runners. Also use when the user mentions depot-ubuntu, depot-windows, depot-macos runner labels, or asks about faster/cheaper GitHub Actions runners.

npx claudepluginhub depot/skills --plugin depot

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Depot provides managed, ephemeral, single-tenant GitHub Actions runners. Drop-in replacement for GitHub-hosted runners — change the `runs-on` label and everything else stays the same.

Supporting Assets

agents/openai.yamlassets/depot-icon-large-compact.pngassets/depot-icon-small-compact.png

SKILL.md

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Last CommitApr 1, 2026

Actions

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Depot GitHub Actions Runners

Depot provides managed, ephemeral, single-tenant GitHub Actions runners. Drop-in replacement for GitHub-hosted runners — change the runs-on label and everything else stays the same.

Requirement: Repository must be owned by a GitHub organization (not a personal account).

Setup

Depot dashboard → GitHub Actions → Connect to GitHub → Install Depot GitHub App
For public repos: GitHub org settings → Actions → Runner groups → Default → "Allow public repositories"
Update runs-on in your workflow files

Org Context Check for Multi-Org Users

If a user belongs to multiple organizations and expected repos/settings/runners are not visible, verify Depot org context first:

depot org show              # Current org ID
depot org list              # Orgs the user belongs to
depot org switch <org-id>   # Optional: set default org

For commands that support it, pass --org <org-id> to target the org where the workflow/repo lives.

Runner Labels

Use a single label. Format: depot-{os}-{version}[-{arch}][-{size}]

Ubuntu (Intel x86 — AMD EPYC)

Label	CPUs	RAM	Disk	$/min
`depot-ubuntu-24.04`	2	8 GB	100 GB	$0.004
`depot-ubuntu-24.04-4`	4	16 GB	130 GB	$0.008
`depot-ubuntu-24.04-8`	8	32 GB	150 GB	$0.016
`depot-ubuntu-24.04-16`	16	64 GB	180 GB	$0.032
`depot-ubuntu-24.04-32`	32	128 GB	200 GB	$0.064
`depot-ubuntu-24.04-64`	64	256 GB	250 GB	$0.128

Ubuntu 22.04 also available: depot-ubuntu-22.04, depot-ubuntu-22.04-4, etc.

Ubuntu (ARM — Graviton4)

Same sizes and pricing as Intel. Add -arm suffix: depot-ubuntu-24.04-arm, depot-ubuntu-24.04-arm-4, depot-ubuntu-24.04-arm-8, etc.

Windows Server

Label	CPUs	RAM	$/min
`depot-windows-2025`	2	8 GB	$0.008
`depot-windows-2025-4`	4	16 GB	$0.016
`depot-windows-2025-8` through `-64`	8–64	32–256 GB	$0.032–$0.256

Windows Server 2022 also available: depot-windows-2022, etc. Windows limitation: No Hyper-V. Docker does not work on Windows runners.

macOS (Apple M2)

Label	CPUs	RAM	$/min
`depot-macos-15` / `depot-macos-latest`	8	24 GB	$0.08
`depot-macos-14`	8	24 GB	$0.08

macOS is NOT fully elastic — fixed pool with FIFO queuing. Startup plan+ only.

Aliases

depot-ubuntu-latest → Ubuntu 24.04, depot-windows-latest → Windows 2025, depot-macos-latest → macOS 15

Migration Example

jobs:
  build:
    # Before:
    # runs-on: ubuntu-latest
    # After:
    runs-on: depot-ubuntu-24.04-4
    steps:
      - uses: actions/checkout@v4
      - run: npm ci
      - run: npm test

Common Mistakes

# ❌ WRONG — multiple labels cause stability issues
runs-on: [self-hosted, depot-ubuntu-24.04]

# ✅ CORRECT — always use a single Depot runner label
runs-on: depot-ubuntu-24.04-4

Caching

Actions using the GitHub Actions cache API automatically use Depot Cache — no config changes needed. This includes actions/cache, actions/setup-node, actions/setup-python, actions/setup-java, and any action using @actions/cache.

Pre-configured build tool caches (zero config on Depot runners):

Tool	What's pre-configured
Turborepo	`TURBO_API` env var set — just run `turbo build`
Bazel	`~/.bazelrc` pre-populated — just run `bazel build //...`
sccache	`SCCACHE_WEBDAV_ENDPOINT` set — use `RUSTC_WRAPPER: 'sccache'`
Maven	`settings.xml` pre-populated (cache id `depot-cache`)
Pants	`pants.toml` pre-configured — just run `pants package ::`
moonrepo	Env vars set — just run `moon run build`

Cache behavior: repository-scoped, no branch isolation, encrypted, up to 1000 MiB/s throughput, configurable retention (7/14/30 days).

To disable auto-cache: org settings → turn off "Allow Actions jobs to automatically connect to Depot Cache."

Dagger Integration

runs-on: depot-ubuntu-latest,dagger=0.15.1

Launches a dedicated Dagger Engine VM with persistent NVMe cache. Dagger CLI pre-installed. Additional $0.04/min.

Egress Filtering (Linux Only)

Configure in org settings → GitHub Actions Runners → Egress Rules. Set default rule to Allow or Deny, then add specific allow/deny rules for IPs, CIDRs, or hostnames. Not supported on macOS or Windows. Incompatible with Tailscale.

Access Private Endpoints with Tailscale

Use Tailscale when jobs need to reach private services (internal APIs, databases, private subnets) without static IP allowlists.

How it works on Depot:

Depot GitHub Actions runners join your tailnet as ephemeral nodes at job start.
Access is controlled with your Tailscale ACLs (recommended tag: tag:depot-runner).
No workflow YAML changes are required just to connect runners to private endpoints.

Setup:

In Tailscale ACLs, create a runner tag (for example tag:depot-runner) under tagOwners.
Create a Tailscale OAuth client with Keys > Auth Keys write scope and choose that tag.
In Depot org settings, open Tailscale settings and connect using the OAuth client ID/secret.
Add ACLs allowing tag:depot-runner to access target hosts/subnets.

ACL examples:

{
  "acls": [
    {
      "action": "accept",
      "src": ["tag:depot-runner"],
      "dst": ["database-hostname"]
    }
  ]
}

{
  "acls": [
    {
      "action": "accept",
      "src": ["tag:depot-runner"],
      "dst": ["192.0.2.0/24:*"]
    }
  ]
}

Reference docs:

Dependabot

Enable "Dependabot on self-hosted runners" in GitHub org settings. Jobs auto-run on depot-ubuntu-latest.

Important: OIDC is not supported for Dependabot. Use token: input with a DEPOT_TOKEN secret instead.

SSH Debugging

steps:
  - uses: actions/checkout@v4
  - uses: mxschmitt/action-tmate@v3
  - run: npm test

Troubleshooting

Error	Fix
"No space left on device"	OS uses ~70 GB disk; upgrade to larger runner or clean disk in workflow
"Lost communication with server"	Check status.depot.dev; check org usage caps
"Operation was canceled"	Manual cancel, concurrency cancel-in-progress, or OOM — check memory in dashboard
"Unable to get ACTIONS_ID_TOKEN_REQUEST_URL"	Dependabot doesn't support OIDC — use `DEPOT_TOKEN` secret
Workflows not starting	Verify single runner label; check runner group allows the repo; verify Depot GitHub App permissions
Stuck workflows	Force cancel via GitHub API: `POST /repos/{owner}/{repo}/actions/runs/{id}/force-cancel`