io.github.Jrigada/foundry-zksync
foundry-zksync-mcp
Expose foundry-zksync (forge, cast, anvil-zksync) tools for zkSync Era development
alive probed 2026-10-19
21tools
≈ 5.4ktokens, estimate
≈ 2.7 %of Claude's 200k window
3.8×the median server
251 msto initialize
9 msto list tools
- Run it
- npx -y foundry-zksync-mcp@0.2.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- foundry-zksync-mcp 0.2.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ 0.5 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/Jrigada/foundry-zksync-mcp
- Registry
- active, updated 2026-02-23 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| deploy | 687 | 13 % |
| run_script | 641 | 12 % |
| verify | 531 | 10 % |
| cast_send | 518 | 10 % |
| test | 295 | 5 % |
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 Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.