Turn any URL into a priced, tokenised market. Put a $ in front of a path and it becomes an economic object with a price curve, holders, and revenue distribution.
$PATH402 protocol ├── $pathd (the daemon — any machine can run it) ├── path402-mcp-server (AI agent tools) └── path402.com/exchange (hosted marketplace)
Content behind $ path segments is $PATH402-gated. Each segment is an independent market with its own price and token.
$example.comSite-level token (cheap entry)
$example.com/$apiSection token (API access)
$example.com/$api/$dataContent token (specific resource)
Price decreases as P/√n. Early buyers get better prices, everyone except the last achieves positive ROI.
Designed for AI agents as first-class consumers. MCP server included for Claude and other LLMs.
Agents acquire tokens, serve content, earn revenue. Over time they become self-funding.
Token holders can serve content to future buyers, earning a share of each transaction.
Uses the dormant HTTP 402 Payment Required status code. Finally giving it purpose.
Fixed, sqrt_decay, logarithmic, or linear with floor. Choose what fits your content.
npm install path402-mcp-server
{
"mcpServers": {
"path402": {
"command": "npx",
"args": ["path402-mcp-server"]
}
}
}Probe $address, read pricing
Check budget, estimate ROI
Pay, receive token + content
Hold token, earn from buyers
Reinvest, grow portfolio