toolgrep / MCP servers / Superpowers
Alternatives to Superpowers
Superpowers: APIs and tools for AI agents, one key. 8 products similar to Superpowers, compared on pricing, free tier, API, MCP server, SDK and open source. 6 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server.
- AIsa
Unified resource and transaction network for AI agents: one API key for models, data APIs, and machine payments
- Fatstack
Pay-per-call tools for AI agents
- agentsvc.io
Pay-per-call API marketplace for AI agents with 127 services settled in USDC via x402
- ToolRouter
The OpenRouter for tools — one MCP connection to 414 hosted tools, pay per call
- PayAPI Market
x402 marketplace for AI agents
- suprsonic
Unified Agent API
- MCP Charts
The MCP for MCPs
- Vextorium
Pay-per-call data APIs for AI agents over x402
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Superpowers | Usage-based | yes | yes | yes | no | no |
| AIsa | Usage-based | yes | yes | yes | yes | — |
| Fatstack | Usage-based · from $0.0005 per call | — | yes | yes | yes | — |
| agentsvc.io | Usage-based · from $0.002 per call | yes | yes | yes | no | — |
| ToolRouter | Usage-based · from $0.01 per paid tool call; Lite $9/mo; Plus $19/mo; Team $29/seat/mo; Business $59/seat/mo | yes | yes | yes | yes | no |
| PayAPI Market | Free | yes | yes | yes | yes | — |
| suprsonic | Usage-based | yes | yes | yes | yes | no |
| MCP Charts | Free | yes | yes | yes | — | — |
| Vextorium | Usage-based · from $0.001 | no | yes | yes | no | no |
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/superpowers/alternatives