An open-source CLI and MCP server that tests whether AI agents continue following rules as conversations grow or workflows change. Runs locally with Ollama or a bring-your-own agent and produces terminal, JSON, and JUnit reports.
Prices and medians update for the tier you select.
Compare at
RuleDrift · Pro
No Pro plan
—
Pro-MCP server median
$50
across 3 priced MCP servers
vs Pro MCP servers
No comparison
RuleDrift doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
50th pctile
71 strong substitutes
Price momentum · 30d
Flat
Agents · Pro median
$29/mo
1 priced · $29–$29 mid 50%
MCP servers · Pro median
$50/mo
3 priced · $35–$125 mid 50%
APIs · Pro median
$50/mo
1 priced · $50–$50 mid 50%
Platforms · Pro median
$74/mo
6 priced · $34–$174 mid 50%
Other · Pro median
$80/mo
1 priced · $80–$80 mid 50%
Agents cost 0.6× MCP servers at the Pro tier.
Price spectrum · Pro plans · 11 of 15 providers priced · log scale · $20 → $499/mo
Agents MCP servers APIs Platforms Other◻ shaded = middle 50% · line = median (all types)RuleDrift has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches RuleDrift'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.