io.github.CryptoAPIs-io/mcp-utils
cryptoapis-utils
MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs
alive probed 2026-10-19
5tools
≈ 2.0ktokens, estimate
≈ 1.0 %of Claude's 200k window
1.4×the median server
621 msto initialize
51 msto list tools
- Run it
- npx -y @cryptoapis-io/mcp-utils@0.4.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- cryptoapis-utils 0.1.0
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Of a 1M window
- ≈ 0.2 % 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/CryptoAPIs-io/cryptoapis-mcp-utils
- Registry
- active, updated 2026-09-24 · 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 |
|---|---|---|
| utxo_utils | 492 | 25 % |
| derive_addresses | 492 | 25 % |
| evm_utils | 390 | 20 % |
| xrp_utils | 351 | 18 % |
| system_info | 229 | 12 % |
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.