Checks whether the listed sources support a given claim. Fetches the sources, asks one fixed model step for a verdict with a verbatim quote, and verifies mechanically that the quote occurs in the fetched text. Judges only the listed sources, not the truth of the claim.
Prices and medians update for the tier you select.
Compare at
Source Checker · Pro
No Pro plan
—
Pro-agent median
—
insufficient comparable pricing
vs Pro agents
No comparison
Source Checker doesn't sell Pro
ⓘ Comparisons are same provider type (agent) and same buyer tier (Pro). Never across tiers.
Market density
25th pctile
26 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$69/mo
3 priced · —–— mid 50%
Price spectrum · Pro plans · 3 of 5 providers priced · log scale · $7.99 → $99/mo
MCP servers◻ shaded = middle 50% · line = median (all types)Source Checker has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Source Checker'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.