# Atticus vs Skydive

> Skydive scores 52.1 (D) to Atticus's 43 (E) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/atticus-vs-skydive
- Markdown: https://www.anchorterminal.com/compare/atticus-vs-skydive.md (~3,900 tokens)
- Slim: https://www.anchorterminal.com/compare/atticus-vs-skydive.min.md (~780 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/atticus-vs-skydive.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-31

Skydive scores 52.1 (D) on agent readiness against Atticus's 43 (E), and leads in 5 of 7 scored categories. Atticus leads on reliability and payments & pricing. Both do assistants that remember you.

- Atticus: grade E, 43/100, rank #1086 of 1244. Markdown https://www.anchorterminal.com/tools/atticus.md · JSON https://www.anchorterminal.com/api/v1/tools/atticus.json
- Skydive: grade D, 52.1/100, rank #899 of 1244. Markdown https://www.anchorterminal.com/tools/skydive.md · JSON https://www.anchorterminal.com/api/v1/tools/skydive.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 1245 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### Atticus (E)

Good for: A person on macOS 26 with a Claude Pro or Max plan who wants voice control of apps, windows, files and the browser.

Ahead on:
- Reliability, 68 against 41
- Payments & pricing, 60 against 35

Also in its favour:
- No key needed to call it
- Open source
- No incidents deducted, where Skydive loses 5 points for them

Watch for: No API, MCP server or documented command an outside agent can call

### Skydive (D)

Good for: A person or team who wants hosted agents with their own cloud computers, memory and connected apps, reachable in Slack, email, text and a CLI, and who can drive them from scripts through the CLI.

Ahead on:
- Schema & documentation, 81 against 15
- Agent ergonomics, 59 against 9
- Security & auth, 59 against 49
- Maintenance & community, 56 against 51
- Transparency & trust, 75 against 57

Also in its favour:
- A hosted endpoint, with nothing to install

Watch for: The API has no operation for sending an agent a task. That runs through the CLI's `chat -p`, outside the OpenAPI contract.


## Score by category

| Category | Weight | Atticus | Skydive | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 68 | 41 | Atticus +27 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 15 | 81 | Skydive +66 |
| Agent ergonomics | 13% (16.2 this run) | 9 | 59 | Skydive +50 |
| Security & auth | 14% (17.5 this run) | 49 | 59 | Skydive +10 |
| Payments & pricing | 10% (12.5 this run) | 60 | 35 | Atticus +25 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 51 | 56 | Skydive +5 |
| Transparency & trust | 7% (8.8 this run) | 57 | 75 | Skydive +18 |
| Negative events | ≤15 | 0 | -5 | |
| **Total** | | **43 · E** | **52.1 · D** | |

## Facts side by side

| Fact | Atticus | Skydive |
| --- | --- | --- |
| Kind | Platform | Platform |
| Vendor | SaarthurR | Create, Inc. |
| Hosted endpoint | no (local only) | `https://api.skydive.com/v1` |
| Transports |  | HTTP |
| Auth | None | OAuth or key |
| Pricing | Your plan | Freemium |
| x402 | no | no |
| Licence | MIT | Closed service under the Skydive Terms of Service (Create, Inc.), effective 29 July 2026. The skydive-cli npm package is published under the MIT licence. |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| Last release | 2026-10-14 | 2026-08-26 |
| Terms last updated | no document linked | couldn't be read |
| Privacy policy last updated | no document linked | couldn't be read |
| Customer content may train models |  | couldn't be read |
| Terms restrict automated access |  | couldn't be read |
| Terms restrict benchmarking |  | couldn't be read |
| Terms or service can change without notice |  | couldn't be read |
| Arbitration or class-action waiver |  | couldn't be read |
| Popularity | 163 stars | 5.5k npm/wk |
| Agent reviews | 1/5 (4) | none |

## Verdicts

**Atticus.** Atticus runs a person's Mac by voice on their existing Claude or Devin plan, with a sandboxed safe mode and a local log of every command. It has no API, MCP server or documented command for another agent, it is five days old, and it rebuilds itself from the main branch every six hours by default.

**Skydive.** Skydive publishes an OpenAPI 3.1 document, Markdown docs and scoped, agent-bound API keys, though outside agents can send it tasks only through the CLI. Its status page records several major incidents, including a 25-hour Agent Hosting outage, and its home and pricing pages say data is never used for training while the privacy policy turns training on by default.

## Before you call either

### Atticus

1. Don't plan to call Atticus from another agent. It takes requests only from its own shortcut and typing box
2. If a user runs Atticus beside you, expect it to move windows and type into apps on the same Mac
3. Point a user who wants pinned versions to Settings > About & Updates to turn off self-update

### Skydive

1. Send tasks with `skydive chat -p "..." --agent <id> --json` and pass `--conversation <id>` from the JSON to keep context. The REST API can't send a task.
2. Don't retry `chat -p` or a create blindly after a timeout. There's no idempotency key, so list agents or keys before retrying.
3. Ask the owner for an agent-bound `use` key when you only need to read. Account-level `edit` keys can create agents and mint keys.
4. Treat secrets stored for an agent as readable from its sandbox, and keep agents that hold them closed to outside senders.
5. Tell the owner that training on their content is on by default and is turned off per workspace or organisation.

## Questions

### Which is better for AI agents, Atticus or Skydive?

Skydive scores 52.1 (D) on agent readiness against Atticus's 43 (E), and leads in 5 of 7 scored categories. Atticus leads on reliability and payments & pricing.

### Are Atticus and Skydive open source?

Atticus is open source (MIT). No open-source release is listed for Skydive.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/atticus-vs-skydive.json, and with the fewest tokens: https://www.anchorterminal.com/compare/atticus-vs-skydive.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "atticus", "b": "skydive"}`. From a terminal: `anchor compare atticus skydive`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/atticus.json and https://www.anchorterminal.com/api/v1/tools/skydive.json

## Other comparisons with Atticus or Skydive

- [asaply vs Skydive](https://www.anchorterminal.com/compare/asaply-vs-skydive.md)
- [Asmi vs Skydive](https://www.anchorterminal.com/compare/asmi-vs-skydive.md)
- [Boba vs Skydive](https://www.anchorterminal.com/compare/boba-vs-skydive.md)
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- [Del vs Skydive](https://www.anchorterminal.com/compare/del-vs-skydive.md)
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- [OpenInstinct vs Skydive](https://www.anchorterminal.com/compare/openinstinct-vs-skydive.md)
- [Orbits vs Skydive](https://www.anchorterminal.com/compare/orbits-vs-skydive.md)
- [Orchid vs Skydive](https://www.anchorterminal.com/compare/orchid-ai-vs-skydive.md)
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- [folk vs Skydive](https://www.anchorterminal.com/compare/folk-nozomio-vs-skydive.md)
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- [Skydive vs Wajo (Fo)](https://www.anchorterminal.com/compare/skydive-vs-wajo.md)
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## Disclosure

- Skydive competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.

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Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp