Market around Butterfly

A reactive programming language transpiled to Python, accompanied by an MCP server that lets AI systems learn its specification, validate and execute programs, inspect syntax trees, and correct errors.

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Prices and medians update for the tier you select.

Compare at

Butterfly · Pro

No Pro plan

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Pro-MCP server median

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insufficient comparable pricing

vs Pro MCP servers

No comparison

Butterfly doesn't sell Pro

ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.

Market density

0th pctile

0 competing vendors

Comparable listings · 30d

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Price spectrum · Pro plans · 3 of 3 providers priced · log scale · $25 → $208/mo

Agents Platforms◻ shaded = middle 50% · line = median (all types)Butterfly has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Butterfly's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

MMCP servers4Ranked by similarity

Butterflythis listing

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.