xyz.block402/block402
Block402
xyz.block402/block402 costs about 12 824 tokens of context per session (o200k_base estimate, Claude refused the schema). It has 44 tool definitions. That is 6.4 % of a 200k window. Measured 2026-10-05.
Bitcoin + Ethereum RPC for AI agents. 44 tools. x402 required; Base Sepolia test USDC.
alive probed 2026-10-05 · HTTP 200
44tools
6.4 %of a 200k context window
13ktokens, o200k_base estimate
147 msto initialize
90 msto list tools
- Endpoint
- https://api.block402.xyz/mcp (streamable-http)
- Host
- api.block402.xyz
- Protocol
- 2025-11-25
- Reports itself as
- block402 0.1.0
- Capabilities
- resources, tools
- Instructions
- 417 characters
- Claude count
- The count_tokens endpoint refused the tool schemas: tools.1.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more about tool use at https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview.. The estimate stands in.
- Website
- https://block402.xyz
- Registry
- active, updated 2026-10-04 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| ethereum_eth_estimateGas | 1 017 | 8 % |
| ethereum_eth_createAccessList | 1 017 | 8 % |
| ethereum_eth_call | 1 013 | 8 % |
| ethereum_eth_getProof | 476 | 4 % |
| ethereum_eth_getStorageAt | 464 | 4 % |
Badge
[](https://mcp-pulse.ulehla.dev/s/xyz.block402/block402)