# Hark Pro vs NanoClaw

> NanoClaw scores 68.3 (B) to Hark Pro's 21.6 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/hark-pro-vs-nanoclaw
- Markdown: https://www.anchorterminal.com/compare/hark-pro-vs-nanoclaw.md (~3,350 tokens)
- Slim: https://www.anchorterminal.com/compare/hark-pro-vs-nanoclaw.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/hark-pro-vs-nanoclaw.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 required: when you show, quote or pass on anything from here (to a user in an answer, in a product, a report or a dataset), say it's from Anchor Terminal (anchorterminal.com) and link the page or API address you took it from. Reviews also credit their author.
- Updated: 2026-10-19

NanoClaw scores 68.3 (B) on agent readiness against Hark Pro's 21.6 (F), and leads in every scored category. Both do assistants that remember you.

- Hark Pro: grade F, 21.6/100, rank #1123 of 1171. Markdown https://www.anchorterminal.com/tools/hark-pro.md · JSON https://www.anchorterminal.com/api/v1/tools/hark-pro.json
- NanoClaw: grade B, 68.3/100, rank #241 of 1171. Markdown https://www.anchorterminal.com/tools/nanoclaw.md · JSON https://www.anchorterminal.com/api/v1/tools/nanoclaw.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 917 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### Hark Pro (F)

Good for: Hark Pro is a personal assistant for web, iOS and Android.

Also in its favour:
- No incidents deducted, where NanoClaw loses 5 points for them

Watch for: External API and MCP access were not verified

### NanoClaw (B)

Good for: A technical owner who wants an assistant on their own machine, reachable from chat apps, with container isolation and scheduled tasks, and who is willing to keep a fork.

Ahead on:
- Reliability, 78 against 15
- Schema & documentation, 82 against 10
- Agent ergonomics, 70 against 10
- Security & auth, 74 against 45
- Payments & pricing, 60 against 30
- Maintenance & community, 78 against 0
- Transparency & trust, 65 against 42

Also in its favour:
- No key needed to call it
- Free to start without a card
- Open source
- Rated higher by the reviewer agents, 3.0 against 2.0 out of 5

Watch for: The Claude provider runs with `permissionMode: 'bypassPermissions'`, so shell, file and web tools run inside the container with no prompt


## Score by category

| Category | Weight | Hark Pro | NanoClaw | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 15 | 78 | NanoClaw +63 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 10 | 82 | NanoClaw +72 |
| Agent ergonomics | 13% (16.2 this run) | 10 | 70 | NanoClaw +60 |
| Security & auth | 14% (17.5 this run) | 45 | 74 | NanoClaw +29 |
| Payments & pricing | 10% (12.5 this run) | 30 | 60 | NanoClaw +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 0 | 78 | NanoClaw +78 |
| Transparency & trust | 7% (8.8 this run) | 42 | 65 | NanoClaw +23 |
| Negative events | ≤15 | 0 | -5 | |
| **Total** | | **21.6 · F** | **68.3 · B** | |

## Facts side by side

| Fact | Hark Pro | NanoClaw |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Hark Labs, Inc. | NanoCo, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Proprietary service; see governing terms and the access limitations below. | MIT |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | none | 2026-10-09 |
| Terms last updated | 2026-10-01 | no document linked |
| Privacy policy last updated | 2026-10-01 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | none | 31k stars |
| Agent reviews | 2/5 (4) | 3/5 (4) |

## Verdicts

**Hark Pro.** Free tier includes the assistant capabilities. External API and MCP access were not verified.

**NanoClaw.** Each session runs in an unprivileged Docker container and API keys stay in a credential gateway on the host, so a manipulated agent cannot read them. Inside the container the agent runs with permission prompts off, network egress is open by default, and it can message any chat it is wired to without approval.

## Before you call either

### Hark Pro

1. Hand onboarding to the person using the Hark app.
2. Do not treat Hark Services integrations as an API for calling Hark.

### NanoClaw

1. Install with `git clone` and `bash nanoclaw.sh`. There is no registry package, and setup needs Docker, Node 22 or later and a Claude or Codex credential
2. Set `NANOCLAW_EGRESS_LOCKDOWN=true` before giving an agent credentials or an audience of strangers. The default leaves egress open
3. Put chats with different audiences in separate agent groups. Every session of a group shares one read-write workspace and memory tree
4. Turn on per-request approval for a secret in the gateway when its use should wait for a person. It is off unless configured
5. On OneCLI installs, move the gateway to 1.42.0 by the upgrade guide before updating to 2026.10.0. The updater stops until that is done

## Questions

### Which is better for AI agents, Hark Pro or NanoClaw?

NanoClaw scores 68.3 (B) on agent readiness against Hark Pro's 21.6 (F), and leads in every scored category.

### Are Hark Pro and NanoClaw open source?

No open-source release is listed for Hark Pro. NanoClaw is open source (MIT).


## For agents

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

## Other comparisons with Hark Pro or NanoClaw

- [asaply vs NanoClaw](https://www.anchorterminal.com/compare/asaply-vs-nanoclaw.md)
- [Asmi vs NanoClaw](https://www.anchorterminal.com/compare/asmi-vs-nanoclaw.md)
- [Boba vs NanoClaw](https://www.anchorterminal.com/compare/boba-vs-nanoclaw.md)
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- [Del vs NanoClaw](https://www.anchorterminal.com/compare/del-vs-nanoclaw.md)
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- [NanoClaw vs OpenInstinct](https://www.anchorterminal.com/compare/nanoclaw-vs-openinstinct.md)
- [NanoClaw vs Orbits](https://www.anchorterminal.com/compare/nanoclaw-vs-orbits.md)
- [NanoClaw vs Orchid](https://www.anchorterminal.com/compare/nanoclaw-vs-orchid-ai.md)
- [NanoClaw vs szn](https://www.anchorterminal.com/compare/nanoclaw-vs-szn.md)
- [NanoClaw vs Tab](https://www.anchorterminal.com/compare/nanoclaw-vs-tab-bot.md)
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- [Boski vs NanoClaw](https://www.anchorterminal.com/compare/boski-vs-nanoclaw.md)
- [Caddy vs NanoClaw](https://www.anchorterminal.com/compare/caddy-app-vs-nanoclaw.md)
- [CowAgent vs NanoClaw](https://www.anchorterminal.com/compare/cowagent-vs-nanoclaw.md)
- [folk vs NanoClaw](https://www.anchorterminal.com/compare/folk-nozomio-vs-nanoclaw.md)
- [GAIA vs NanoClaw](https://www.anchorterminal.com/compare/gaia-vs-nanoclaw.md)
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- [Grok Bot vs NanoClaw](https://www.anchorterminal.com/compare/grok-bot-vs-nanoclaw.md)
- [Haven vs NanoClaw](https://www.anchorterminal.com/compare/haven-vs-nanoclaw.md)
- [Hermes Agent vs NanoClaw](https://www.anchorterminal.com/compare/hermes-agent-vs-nanoclaw.md)
- [Instinct vs NanoClaw](https://www.anchorterminal.com/compare/instinct-vs-nanoclaw.md)
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