An open-source typed, durable NDJSON message bus for agent communication, with Rust core, CLI, Python and TypeScript SDKs, schema registration, durable queues, inboxes, and pluggable transports.
Prices and medians update for the tier you select.
Compare at
OneMessageBus · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
OneMessageBus doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
26th pctile
21 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$19/mo
3 priced · $15.5–$49 mid 50%
Price spectrum · Pro plans · 6 of 11 providers priced · log scale · $12 → $79/mo
Agents MCP servers Platforms◻ shaded = middle 50% · line = median (all types)OneMessageBus has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches OneMessageBus'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.