
AgentGatePay
x402
Real-world tasks your agent can't do alone.
OpenClaw
Marchward.ai
Aditya Protocol
Entire
Claude Code
Tines
CodeMaker AI
Human-in-the-Loop infra for AI Agents
Which is more popular?
Based on our record, HumanLayer should be more popular than Underscore Done. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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HL
HumanLayer
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|---|---|---|
| Website | underscoredone.com | humanlayer.dev |
| Pricing | — | |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
No description of HumanLayer yet.
What each product offers, as listed by its team.

No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Underscore Done yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No Underscore Done videos yet. You could help us improve this page by suggesting one.
HumanLayer (CodeLayer): The MOST PRODUCTIVE AI Coder YET!
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Underscore Done and HumanLayer.
Underscore Done's answer
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Underscore Done's answer
Ai Agents that work on behalf of people.
Share your experience with using Underscore Done and HumanLayer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 13 days ago
Dex Horthy, CEO of HumanLayer, put a name to the pattern in his AI Engineer conference talk "No Vibes Allowed" (AI Engineer World's Fair, 2024). The Research → Plan → Implement (RPI) framework is a structured workflow for AI-assisted... - Source: dev.to / 6 months ago
I realized I needed to change my approach. While I love the iterative learning process, I needed a way to give the agent a better foundation so our pair programming sessions actually made progress. I decided to try the RPI method... - Source: dev.to / 8 months ago
When comparing Underscore Done and HumanLayer, you can also consider the following products.

Enable AI agents to make autonomous payments with AP2 mandates and X402 protocol. Multi-chain crypto, budget controls, instant settlement.
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The AI that actually does things. Your personal assistant on any platform.
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An open protocol for internet-native payments from Coinbase
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Marchward is runtime authority for AI agents. Route every tool call through one key, then allow, gate, or block it at runtime with a hard cost cap, human approval on irreversible actions, and a tamper-evident audit log.
Compare Marchward.ai to Underscore Done or HumanLayer: