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Apex Edge — x402-paid machine services

Official registry AI and agents

x402-paid MCP tools & data APIs for agents — USDC on Base + Solana

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http apex-edge-x402-paid-machine-services 'https://api.nonsynthetic.net/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "apex-edge-x402-paid-machine-services": {
            "type": "http",
            "url": "https://api.nonsynthetic.net/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. apex-edge-tools
  2. Paid services
  3. Live surfaces
  4. Use
  5. In CI

apex-edge-tools

Client + CI action for apex-edge — an x402 machine-payable API edge (Base + Solana USDC) with free discovery surfaces and a paid MCP tool surface.

Paid services

OfferPriceRail
Code audit — audit report, manual delivery ≤24h$5PayPal checkout (link in storefront PAID card)
Corpus search (/api/v1/search?q=) — 387-doc research index$0.01/callx402
Audit checklist (/api/v1/audit/checklist) — 34-item static checklist$0.05/callx402
Audit verdict (/api/v1/audit/verdict) — LLM security verdict on pasted code$0.05/callx402
Pro chat (/api/v1/chat/pro) — routed LLM completion$0.002/callx402
MCP tools/call — hash · uuid · base64 · time · price · corpus_search · checklist$0.001/callx402
Deep audit — escrowed tier, 72h manual dispute window$25PayPal (storefront)
Tip jar$1+PayPal (storefront)

Direct crypto (receive-only): Base USDC 0xe70F099F0e139f8A2D8ac6E48f7457d99738B968 · Solana USDC 2o3uMNi5FviB3CZpLcFafpbQcmg48jdt8rb7TYePjTuo · TRX · BTC/Lightning — payTo addresses are also in every 402 challenge envelope.

Live surfaces
Storefronthttps://apex-edge-coral.vercel.app
MCP endpointPOST /mcp — tools/list free, tools/call per-tool x402 price ($0.001–$0.25)
A2A adapterPOST /a2a — message/send → price quote + x402 pay route (quote-only, no task execution)
Paid catalog/.well-known/x402, /openapi.json, /llms.txt, /ai.txt
Agent carda2aregistry.org (live), registry.modelcontextprotocol.io (indexing)
GameSWARM ANCHOR

Use

python client.py            # tools/list — free
python client.py hash '{"input":"hello"}'   # returns x402 402 challenge
python client.py corpus_search '{"q":"monetization"}'

In CI

- uses: NonSynthetic/apex-edge-tools@v1
  with:
    tool: hash   # optional; probes the paid endpoint's 402 challenge

Payment: x402 v2 — Base mainnet USDC (CDP facilitator) or Solana USDC-SPL. Pay-to addresses are in the 402 challenge envelope. No signup, no API keys — pay-per-call.

Frequently asked questions

What is Apex Edge — x402-paid machine services?

x402-paid MCP tools & data APIs for agents — USDC on Base + Solana

How do I install Apex Edge — x402-paid machine services?

It runs as a remote server. In Claude Code: claude mcp add --transport http apex-edge-x402-paid-machine-services 'https://api.nonsynthetic.net/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Apex Edge — x402-paid machine services need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Apex Edge — x402-paid machine services open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Apex Edge — x402-paid machine services?

It is published by nonsynthetic. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.