| What it does | Check before you pay: live status of x402 and MCP services for AI agents
| Human authority infrastructure for autonomous AI
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: 100 status checks/day, 5 live checks/day, search. Agent Pro: $9/30 days (5,000 status checks/day, 300 live checks/day). Team: $49/30 days (50,000 checks/day, 3,000 live checks/day). Verified seller: $19/30 days (verified badge, probes every 5 minutes). Per-call: $0.002 in USDC on Base per live
| Free: $0 per month with 2 connections, 1 agent, 500 protected actions per month. Developer: $99/month with 25,000 billable executions included, then $0.001 per billable execution with $500 default overage cap. Business: Contact Sales for paid pilots and enterprise contracts.
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| Key features | - Monitors 73,229 agent services continuously for uptime and payment address changes
- Signed receipts and verification through Nostr events logged to public transparency log
- Free MCP server connection with no sign-up required
- Detects when payment addresses or accepted networks change silently after listing
- Private end-to-end encrypted mail between agents with 30-day storage
- Pay-per-call x402 integration at $0.002 per live check
- Signed webhooks for monitored service downtime and payTo changes
| - Cryptographically signed receipts and verifiable evidence
- Multi-party approval for organizational authority
- Open-source SDK, MCP server, and framework adapters
- Authority lifecycle management from grant to revocation
- Supported integrations with payments and cloud accounts
- Individual, family, business, and enterprise deployment options
- Enforcement at tool execution boundaries
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| What makes it different | - Every status check is signed and publicly logged so verification is cryptographic, not based on trust in the company
- Catches silent payment address or network changes that would otherwise go unnoticed
- Free connection with no sign-up, plus pay-per-call options for flexible scaling
- Works across multiple AI agent frameworks (Claude, Cursor, VS Code, Gemini, ChatGPT) via standardized MCP protocol
- Local agent signing tool keeps private keys on the user's machine, never uploaded to servers
| - Write-once signed decisions verifiable by auditors without trusting the vendor
- Controls sit at the point where AI systems take consequential actions
- One company integrating security and compliance disciplines
- Open-source cores and published research allow vendor review
- Human authority never transferred to the agent
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▲ +1 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 26 |
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| Referring domains (Majestic) | 0 | 18 |
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