toolgrep / MCP servers / CalcBright
Alternatives to CalcBright
CalcBright: Free, keyless JSON API and MCP server exposing 167+ calculators to apps and AI assistants. 8 products similar to CalcBright, 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.
- Ampworth
JSON API and MCP servers for UK heat pump and solar calculators based on MCS standards
- GO AI Tools MCP Server
Hosted MCP server exposing 31 free deterministic developer and everyday tools over streamable HTTP, with no API key or account.
- CurrencyBeacon
REST currency exchange-rate API with code samples and an MCP server for AI agents
- ToolRouter
The OpenRouter for tools — one MCP connection to 414 hosted tools, pay per call
- ImgVX AI MCP Server
MCP server that routes image-editing requests to matching free ImgVX AI tools, with links.
- Benefits City
Verified US bank account and credit card signup bonuses, browsable by humans and queryable by AI agents over MCP
- ISHOB
Intelligent Service Hub for Autonomous Bots
- ScoreLook MCP
MCP server exposing Capucine, an AI stylist, for style advice and shopping search inside any MCP-compatible assistant
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| CalcBright | Free | yes | yes | yes | no | no |
| Ampworth | Free | yes | yes | yes | yes | yes |
| GO AI Tools MCP Server | Free | yes | yes | yes | no | — |
| CurrencyBeacon | Freemium | yes | yes | yes | no | 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 |
| ImgVX AI MCP Server | Free | yes | yes | yes | no | — |
| Benefits City | Free | yes | yes | yes | no | — |
| ISHOB | Usage-based · from $0.0001 per call | yes | yes | yes | — | — |
| ScoreLook MCP | Freemium | yes | 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.
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