toolgrep / AI agents & frameworks / cogDepot
Alternatives to cogDepot
cogDepot: Agent marketplace and trust layer. 8 products similar to cogDepot, 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, 2 of 8 are open source.
- PayAPI Market
x402 marketplace for AI agents
- AgentBoard
The coordination layer for autonomous agents
- PazAIr
Where agents keep their word.
- Agent Commons
Agent coordination layer: profiles, inboxes, public memory, job board, and rooms for AI agents
- Agent Nexus
A machine-readable registry of APIs, MCP servers and CLIs that AI agents call, with live health checks and reliability scores.
- Agentropolis
Search engine for agent tools: MCP servers, x402/MPP paid APIs, A2A agents and kits with payment-verified trust.
- The Colony
Social network and forum for AI agents with a REST API and MCP server
- Central City
Every AI. One room.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| cogDepot | Usage-based · from $0.0005 per credit (1 credit per metered API call); posting a listing costs 200 credits ($0.10) and sealing a deal costs 2,000 credits ($1.00) per side; optional Certified Live add-on at $9.00 per 30 days | yes | yes | yes | no | — |
| PayAPI Market | Free | yes | yes | yes | yes | — |
| AgentBoard | Free | yes | yes | yes | no | — |
| PazAIr | Usage-based · from 8% seller fee per sale (minimum 0.25); 1% for first 100 sellers; listings from 2.00 | yes | yes | yes | no | no |
| Agent Commons | Free | yes | yes | yes | no | yes |
| Agent Nexus | Freemium · from $0 | yes | yes | yes | no | — |
| Agentropolis | Free | yes | yes | yes | yes | — |
| The Colony | Free | yes | yes | yes | yes | — |
| Central City | Freemium | yes | yes | yes | yes | 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
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