io.github.unicodef1wn/nopaywall
nopaywall Free AI Catalog
Is the nopaywall Free AI Catalog MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-10.
Search verified free AI offers and model API providers with this public read-only MCP server.
alive probed 2026-11-15 · unchanged since 2026-11-10 · HTTP 200
- Endpoint
- https://nopaywall.io/mcp (streamable-http)
- Host
- nopaywall.io
- Protocol
- 2025-06-18
- Reports itself as
- nopaywall 1.1.0
- Capabilities
- tools
- Instructions
- 260 characters
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 839 tokens in Claude Opus 5.5, exact, measured 2026-11-10. With the Claude Code prefix mcp__…__ on each tool name: 879. The o200k_base estimate is 486. Counted again when the tool definitions change. Method.
- Website
- https://nopaywall.io/for-agents
- Registry
- active, updated 2026-11-09 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.73×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_offers | 399 | 231 | 48 % |
| search_api_providers | 235 | 136 | 28 % |
| get_offer | 143 | 83 | 17 % |
| list_categories | 62 | 36 | 7 % |
Compare this server with others.
More servers
Servers that mention catalog.
- Graffeo Coffee Roasting ai.agenticshelf/graffeo · server error
- Agentic Shelf ai.agenticshelf/mcp · server error
- PuroAir ai.agenticshelf/puroair · server error
- AirShelf Catalog ai.airshelf/catalog · alive
- ai.askmiles/catalog · alive
- ai.baselight/baselight · no DNS
- Epox ai.epox/mcp · needs auth
- ai.matih/mcp · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.