EIP 1901 - Add OpenRPC Tooling Implementations (ethereum#2299)

EIPS/eip-1901.md

@@ -68,6 +68,31 @@ Use cases for machine-readable [JSON-RPC 2.0](https://www.jsonrpc.org/specificat
 
 - [Multi-Geth OpenRPC Discovery](https://github.com/multi-geth/multi-geth#openrpc-discovery)
 
+### Tooling
+
+#### Interactive Documentation Playground
+
+You can view the interactive documentation [here](https://playground.open-rpc.org/?schemaUrl=https://raw.githubusercontent.com/etclabscore/ethereum-json-rpc-specification/master/openrpc.json). 
+
+**OR**
+
+Using `rpc.discover` via multi-geth, the playground can discover and display the documentation for the Ethereum JSON-RPC API:
+
+![eth-playground-openrpc](../assets/eip-1901/eth-playground-openrpc.gif)
+
+
+#### Generated Client
+
+The [clients](https://github.com/etclabscore/ethereum-json-rpc-specification#clients) are generated from the OpenRPC Document openrpc.json outlined in this EIP, and can be used as an alternative to web3.js or ethers.js but for various languages:
+
+![eth-generated-client-openrpc](../assets/eip-1901/eth-generated-client-openrpc.gif)
+
+#### Mock Server
+
+The [OpenRPC mock server](https://github.com/open-rpc/mock-server) provides a mock server for any given OpenRPC Document which allows testing without booting up a real network.
+
+![inspector-mock-server-openrpc](../assets/eip-1901/inspector-mock-server-openrpc.png)
+
 ## Resources
 
 - [Multi-Geth OpenRPC Discovery](https://github.com/multi-geth/multi-geth#openrpc-discovery)