dev.nanotoll/nanotoll-mcp
Nanotoll MCP
7 agent tools (prune, convert, estimate, diff, patch, generate, validate). USDC on Base L2.
alive probed 2026-10-05 · HTTP 200
8tools
2.6ktokens in Claude Opus 5.5
2.7ktokens in Claude Code
1.3 %of a 200k context window
1.5ko200k_base estimate
2.1 sto initialize
114 msto list tools
- Endpoint
- https://mcp.nanotoll.dev/mcp (streamable-http)
- Host
- mcp.nanotoll.dev
- Protocol
- 2025-11-25
- Reports itself as
- rmcp 3.4.0
- Capabilities
- tools
- Instructions
- 216 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://nanotoll.dev
- Registry
- active, updated 2026-08-21 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| generate | 393 | 26 % |
| read | 212 | 14 % |
| prune | 205 | 14 % |
| convert | 192 | 13 % |
| estimate | 189 | 13 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:59 | alive | 2.1 s | 8 | 2.6k | 1.5k |
| 2026-10-05 00:24 | alive | 1.1 s | 8 | 1.5k | |
| 2026-10-04 10:00 | alive | 1.7 s | 8 | 1.5k | |
| 2026-10-04 07:53 | alive | 2.0 s | 8 | 1.5k | |
| 2026-10-03 20:33 | alive | 2.2 s | 8 | 1.5k | |
| 2026-10-03 17:50 | alive | 156 ms | 8 | 1.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.nanotoll/nanotoll-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.