Products

three.dev

AI-nativeMCPSkill

Detect and fix your agent failures

three.dev SourceAI Models & Agents / Prompts, Evals & LLM Observability

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Oct 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$79/mo
Higher than 77% of peersNiche median $21.595/mo
Creators
Andrea Moscatelli
No social account linkedCo-created with Borja Burgos, Bryan Lee
Launched
5d ago
2026-11-10 · Est.

Traffic

Last 12 months
Monthly visitsData through Oct 2026
Events7 marketing moves

Marketing moves

Launches, search & content, referrals, promotions

  • DevHunt highlights three.dev features and integrationsReferrals & Backlinks

    DevHunt posted coverage detailing the features and integrations supported by three.dev, including AI SDK integrations, Claude Code, Cursor, Codex, and MCP-based issue handoff.

    Nov 13 · 2d agoX Post

    At the time: <5K visits/mo6 concurrent moves

  • DevHunt features three.devReferrals & Backlinks

    DevHunt featured three.dev, highlighting its capability to help teams discover AI agent failures by connecting existing AI SDKs through a single base URL and sending issues to coding agents via MCP.

    Nov 13 · 2d agoX Post

    At the time: <5K visits/mo6 concurrent moves

  • three.dev launches on Product HuntPromotions

    three.dev is featured and live on Product Hunt.

    Nov 12 · 3d agoDemo VideoLaunch PostX Post

    At the time: <5K visits/mo6 concurrent moves

  • three.dev launches to evaluate AI agent failures in productionLaunch

    three.dev launched to monitor and score live AI agent production conversations, detect failure modes, and help coding agents write fixes.

    Nov 12 · 3d agoDemo VideoLaunch PostX Post

    At the time: <5K visits/mo6 concurrent moves

  • Launched on Product HuntLaunch

    Find out how your AI agent fails. Before your users do.

    Nov 12 · 3d agoLaunch page

    At the time: <5K visits/mo6 concurrent moves

Open Source & Agent Ecosystem

GitHub · MCP / Skill
round3ai/skills
GitHub Stars
Public repo
Forks
—
License
See repository
Primary language
—
Browse peer open-source projects →

Agent, MCP & Developer Integration

MCP ServerAgent Skill
Integration docs
Ecosystem & integrations:
Claude CodeCodexCursorOpenAIAnthropicGeminiAzure OpenAIClaude
Exposed tool capabilities:
Model MonitoringModel EvaluationWe group what failsEvidence-backed issuesFailure modesMCP integration
Browse all MCP Server products →

Traffic sources

Oct 2026

Traffic breakdown

Channels

No data yet

Countries

No data yet

Search

Domain authority —Domain registered 2025-09-09

KeywordMonthly volume
3bytes deve instagram450
3dev140
3dev by45100

Traffic data: Vaneform

Pricing

Free
Free
1 GB of data a month · 5k requests scored a month · 30 days of history · Unlimited seats
Starter
$79/mo
5 GB of data a month · 10k requests scored a month · 90 days of history · Unlimited seats
Pro
$249/mo
20 GB of data a month · 25k requests scored a month · 180 days of history · Unlimited seats
Enterprise
Contact sales
Custom data a month · Custom scoring a month · Custom history · Unlimited seats

Trial: None · Free tier included · 2 paid tiers ($79–$249) · Enterprise custom tier · Observed 2026-11-13 · Pricing page

Entry price $79/mo, Higher than 77% of peers; “Prompts, Evals & LLM Observability” median is $21.595/mo.View pricing benchmark

Pages & changes

Tracked since 2026-11-10

Key pages

Weekly snapshots
three.dev/ Snapshot 2026-11-13

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does three.dev cost?
Free: Free; Starter: $79/mo; Pro: $249/mo; Enterprise: Contact sales. Observed 2026-11-13. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does three.dev get?
Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is three.dev and what platforms does it support?
three.dev is catalogued under Prompts, Evals & LLM Observability: Detect and fix your agent failures. Supported platforms: MCP Server.
Is three.dev open source?
three.dev has a public repository (https://github.com/round3ai/skills) with its source repository published.Source

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AI Models & Agents / Prompts, Evals & LLM Observability

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