An MCP payment policy and human-approval layer for autonomous x402 agents. It evaluates payment policies, manages approval workflows, accepts externally signed wallet payloads, verifies settlements, and maintains an audit log.
Prices and medians update for the tier you select.
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Signal402 · Pro
No Pro plan
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Pro-provider median
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insufficient comparable pricing
vs Pro providers
No comparison
Signal402 doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
39th pctile
43 competing vendors
Comparable listings · 30d
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MCP servers · Pro median
$64/mo
4 priced · $49–$184 mid 50%
Price spectrum · Pro plans · 3 of 7 providers priced · log scale · $49 → $99/mo
Agents MCP servers◻ shaded = middle 50% · line = median (all types)Signal402 has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Signal402's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.