Stateless HTTP API and MCP server for ranking pre-computed vectors using cosine similarity and normalized mutual information. Supports search, batch scoring, and entropy-calibrated score blending for AI agents.
As parsed from github.com/nexus-mcp-infra/similarity-search-api-sdk on 2026-10-07.
Explore the market
Prices and medians update for the tier you select.
Compare at
Similarity Search API · Pro
No Pro plan
—
Pro-MCP server median
$79.5
across 6 priced MCP servers
vs Pro MCP servers
No comparison
Similarity Search API doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
12th pctile
7 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$79.5/mo
6 priced · $37.49–$99 mid 50%
Price spectrum · Pro plans · 7 of 9 providers priced · log scale · $19.99 → $699/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)Similarity Search API has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Similarity Search API'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.