Open-source browser extension that uses connected LLMs to inspect webpages, generate and test userscripts, customize sites, and run saved mods automatically. Supports API providers, local models, Tampermonkey libraries, and standard .user.js files.
Prices and medians update for the tier you select.
Compare at
usermods · Pro
No Pro plan
—
Pro-agent median
$29.99
across 3 priced agents
vs Pro agents
No comparison
usermods doesn't sell Pro
ⓘ Comparisons are same provider type (agent) and same buyer tier (Pro). Never across tiers.
Market density
15th pctile
10 competing vendors
Comparable listings · 30d
—
Agents · Pro median
$29.99/mo
3 priced · —–— mid 50%
Price spectrum · Pro plans · 6 of 11 providers priced · log scale · $19 → $499/mo
Agents MCP servers APIs Platforms◻ shaded = middle 50% · line = median (all types)usermods has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches usermods'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.