toolgrep / Other / Agent Company Index
Alternatives to Agent Company Index
Agent Company Index: The company directory built for AI agents. 8 products similar to Agent Company Index, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server, 1 of 8 is open source.
- Online Web Directory
A shared registry of how websites treat AI agents
- AgentIndex
Directory of open-source AI agents, MCP servers, agent frameworks and Cursor rules, updated daily
- Agents Handbook
Tested playbooks for real jobs done with AI agents, readable by agents over MCP, markdown and a REST API.
- 402MCP.org
The Open Registry for Agentic Commerce & HTTP 402
- Alion
Company, people and job data API with an MCP server for AI agents
- MCP Charts
The MCP for MCPs
- Agent Nexus
A machine-readable registry of APIs, MCP servers and CLIs that AI agents call, with live health checks and reliability scores.
- Agent Commons
Agent coordination layer: profiles, inboxes, public memory, job board, and rooms for AI agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Agent Company Index | — | — | yes | yes | — | — |
| Online Web Directory | Freemium | yes | yes | yes | yes | — |
| AgentIndex | Free | yes | yes | yes | no | — |
| Agents Handbook | Free | yes | yes | yes | no | — |
| 402MCP.org | Free | yes | yes | yes | no | — |
| Alion | Usage-based · from $0.002 per record (0.02 credits); 1 credit = $0.10; plans $29/mo (400 credits) and $99/mo (1,500 credits); 100 credits for $10 | yes | yes | yes | no | no |
| MCP Charts | Free | yes | yes | yes | — | — |
| Agent Nexus | Freemium · from $0 | yes | yes | yes | no | — |
| Agent Commons | Free | yes | yes | yes | no | yes |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/agent-company-index/alternatives