MetaMask Snaps

Extend the functionality of MetaMask using MetaMask Snaps.

Modules

This repository contains the following packages ¹:

• @metamask/create-snap
• @metamask/snaps-cli
• @metamask/snaps-controllers
• @metamask/snaps-execution-environments
• @metamask/snaps-jest
• @metamask/snaps-rollup-plugin
• @metamask/snaps-rpc-methods
• @metamask/snaps-sandbox
• @metamask/snaps-sdk
• @metamask/snaps-simulation
• @metamask/snaps-utils
• @metamask/snaps-webpack-plugin

Or, in graph form ¹:

1%%{ init: { 'flowchart': { 'curve': 'bumpX' } } }%%
2graph LR;
3linkStyle default opacity:0.5
4  create_snap(["@metamask/create-snap"]);
5  snaps_cli(["@metamask/snaps-cli"]);
6  snaps_controllers(["@metamask/snaps-controllers"]);
7  snaps_execution_environments(["@metamask/snaps-execution-environments"]);
8  snaps_jest(["@metamask/snaps-jest"]);
9  snaps_rollup_plugin(["@metamask/snaps-rollup-plugin"]);
10  snaps_rpc_methods(["@metamask/snaps-rpc-methods"]);
11  snaps_sandbox(["@metamask/snaps-sandbox"]);
12  snaps_sdk(["@metamask/snaps-sdk"]);
13  snaps_simulation(["@metamask/snaps-simulation"]);
14  snaps_utils(["@metamask/snaps-utils"]);
15  snaps_webpack_plugin(["@metamask/snaps-webpack-plugin"]);
16  create_snap --> snaps_utils;
17  snaps_cli --> snaps_rpc_methods;
18  snaps_cli --> snaps_sandbox;
19  snaps_cli --> snaps_sdk;
20  snaps_cli --> snaps_utils;
21  snaps_cli --> snaps_webpack_plugin;
22  snaps_controllers --> snaps_rpc_methods;
23  snaps_controllers --> snaps_sdk;
24  snaps_controllers --> snaps_utils;
25  snaps_execution_environments --> snaps_sdk;
26  snaps_execution_environments --> snaps_utils;
27  snaps_jest --> snaps_controllers;
28  snaps_jest --> snaps_sdk;
29  snaps_jest --> snaps_simulation;
30  snaps_jest --> snaps_utils;
31  snaps_rollup_plugin --> snaps_utils;
32  snaps_rpc_methods --> snaps_sdk;
33  snaps_rpc_methods --> snaps_utils;
34  snaps_simulation --> snaps_controllers;
35  snaps_simulation --> snaps_execution_environments;
36  snaps_simulation --> snaps_rpc_methods;
37  snaps_simulation --> snaps_sdk;
38  snaps_simulation --> snaps_utils;
39  snaps_utils --> snaps_sdk;
40  snaps_webpack_plugin --> snaps_rpc_methods;
41  snaps_webpack_plugin --> snaps_sdk;
42  snaps_webpack_plugin --> snaps_utils;

Refer to individual packages for usage instructions.

Learn more

For instructions on performing common development-related tasks, see contributing to the monorepo.

Footnotes

1. The package list and dependency graph should be programmatically generated by running yarn update-readme-content. ↩ ↩²