# Who Builds Agents

> A directory of the companies building AI-agent and MCP tooling. One page per company, keyed by its
> domain, listing every MCP server it publishes to the Official MCP Registry.

As of 2026-10-31: 16,990 companies publish 21,739 MCP servers.
20,001 servers run remotely. 52% shipped a release in the last 30 days.

## Pages

- Company pages: https://whobuildsagents.com/{domain} (e.g. https://whobuildsagents.com/usefulapi.io)
- Ranking by servers shipped: https://whobuildsagents.com/
- Newest companies: https://whobuildsagents.com/?sort=new
- Search: https://whobuildsagents.com/?q={name or domain}
- Every indexable company: https://whobuildsagents.com/sitemap.xml

## Top builders by MCP servers published

- [usefulapi](https://whobuildsagents.com/usefulapi.io): 582 MCP servers
- [TextForAgents](https://whobuildsagents.com/textforagents.com): 130 MCP servers
- [A2AWire](https://whobuildsagents.com/a2awire.com): 120 MCP servers
- [Ansvar AI](https://whobuildsagents.com/ansvar.eu): 106 MCP servers
- [Verified Digital Agents](https://whobuildsagents.com/getvda.ai): 95 MCP servers
- [Mamba Labs](https://whobuildsagents.com/mambabuilt.com): 95 MCP servers
- [Mode VC](https://whobuildsagents.com/modevc.com): 88 MCP servers
- [MCP Armory](https://whobuildsagents.com/mcparmory.com): 76 MCP servers
- [Coachix](https://whobuildsagents.com/clauxel.com): 74 MCP servers
- [Agent Tools by OpenKrill](https://whobuildsagents.com/openkrill.app): 70 MCP servers
- [Alpic](https://whobuildsagents.com/alpic.live): 66 MCP servers
- [ToolOracle](https://whobuildsagents.com/tooloracle.io): 61 MCP servers
- [JoJ API](https://whobuildsagents.com/jojapi.com): 49 MCP servers
- [NexGenData](https://whobuildsagents.com/thenextgennexus.com): 43 MCP servers
- [Ranova](https://whobuildsagents.com/ranovam.com): 39 MCP servers
- [Oly Software Civic](https://whobuildsagents.com/olyport.com): 38 MCP servers
- [DropWatch](https://whobuildsagents.com/dropwatchhq.com): 35 MCP servers
- [Edge Thirteen](https://whobuildsagents.com/edgethirteen.com): 35 MCP servers
- [AIsa](https://whobuildsagents.com/aisa.one): 32 MCP servers
- [AgentDiet](https://whobuildsagents.com/agentdiet.dev): 31 MCP servers
- [GoAI Moat](https://whobuildsagents.com/goaimoat.com): 30 MCP servers
- [PulseMCP](https://whobuildsagents.com/pulsemcp.com): 29 MCP servers
- [HasData](https://whobuildsagents.com/hasdata.com): 28 MCP servers
- [企鵝司機 penguindriver](https://whobuildsagents.com/penguindriver.com): 25 MCP servers
- [Nexlab](https://whobuildsagents.com/nexlab.net): 24 MCP servers

## About the data

- Source: Official MCP Registry (CC0), refreshed daily, grouped by the domain that owns each server's namespace.
- Companies only, never people. Servers under personal GitHub namespaces are left out.
- Hosting platforms (e.g. smithery.ai) are listed as hosts, not builders.
- Companies can claim or remove their page at https://whobuildsagents.com/claim
- Run by Advance Labs: https://advancelabs.dev