firebase-basics

Name: firebase-basics
Author: firebase

byfirebase· 35 skills

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How to install firebase-basics?

firebase/agent-skills/firebase-basics

$npx -y skills add firebase/agent-skills --skill firebase-basics

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Run `npx skills use "https://github.com/firebase/agent-skills" --skill "firebase/agent-skills/firebase-basics"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.

Use the whole pack

Use the skills in "https://github.com/firebase/agent-skills" that are relevant to the current task. Run `npx skills add "https://github.com/firebase/agent-skills"` and select the relevant skills, then follow their instructions.

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SKILL.md

1	# Prerequisites
2
3	Complete these setup steps before proceeding:
4
5	1. Local Environment Setup: Verify the environment is properly set up so we
6	can use Firebase tools:
7
8	- Run `npx -y firebase-tools@latest --version` to check if the Firebase CLI
9	is installed.
10	- Verify if the Firebase MCP server is installed using your existing tools.
11	- CRITICAL: Before configuring any extensions or agent environments
12	below, you MUST read
13	[references/local-env-setup.md](references/local-env-setup.md).
14	- DO NOT SKIP this step: if 'firebase-basics' is the only Firebase skill
15	available to you, you must follow the reference for your agent environment
16	to set up the full suite of Firebase skills:
17	- Gemini CLI: Review
18	[references/setup/gemini_cli.md](references/setup/gemini_cli.md)
19	- Antigravity: Review
20	[references/setup/antigravity.md](references/setup/antigravity.md)
21	- Android Studio: Review
22	[references/setup/android_studio.md](references/setup/android_studio.md)
23	- Claude Code: Review
24	[references/setup/claude_code.md](references/setup/claude_code.md)
25	- Cursor: Review
26	[references/setup/cursor.md](references/setup/cursor.md)
27	- GitHub Copilot: Review
28	[references/setup/github_copilot.md](references/setup/github_copilot.md)
29	- Other Agents: Review
30	[references/setup/other_agents.md](references/setup/other_agents.md)
31
32	1. Authentication: Ensure you are logged in to Firebase so that commands
33	have the correct permissions. Run `npx -y firebase-tools@latest login`. For
34	environments without a browser (e.g., remote shells), use
35	`npx -y firebase-tools@latest login --no-localhost`.
36
37	- The command should output the current user.
38	- If you are not logged in, follow the interactive instructions from this
39	command to authenticate.
40
41	1. Active Project: Most Firebase tasks require an active project context.
42
43	> [!IMPORTANT] For Agents: Before proceeding with project configuration,
44	> you MUST pause and ask the developer if they prefer to:
45	>
46	> 1. Provide an existing Firebase Project ID, or
47	> 1. Create a new Firebase project.
48
49	- If using an existing Project ID:
50
51	1. Check the current project by running `npx -y firebase-tools@latest use`.
52	1. If the command outputs `Active Project: <project-id>`, confirm with the
53	user if this is the intended project.
54	1. If not, or if no project is active, set the project provided by the
55	user:
56	```bash
57	npx -y firebase-tools@latest use <PROJECT_ID>
58	```
59
60	- If creating a new project: Run the following command to create it:
61
62	```bash
63	npx -y firebase-tools@latest projects:create <project-id> --display-name "<display-name>"
64	```
65
66	*Note: The `<project-id>` must be 6-30 characters, lowercase, and can
67	contain digits and hyphens. It must be globally unique.*
68
69	# Firebase Usage Principles
70
71	Adhere to these principles:
72
73	1. Use npx for CLI commands: To ensure you always use the latest version of
74	the Firebase CLI, always prepend commands with `npx -y firebase-tools@latest`
75	instead of just `firebase`. For example, use
76	`npx -y firebase-tools@latest --version`. NEVER suggest the naked `firebase`
77	command as an alternative.
78	1. Prioritize official knowledge: For any Firebase-related knowledge,
79	consult the `developerknowledge_search_documents` MCP tool before falling
80	back to Google Search or your internal knowledge base. Including "Firebase"
81	in your search query significantly improves relevance.
82	1. Follow Agent Skills for implementation guidance: Skills provide
83	opinionated workflows (CUJs), security rules, and best practices. Always
84	consult them to understand how to implement Firebase features correctly
85	instead of relying on general knowledge.
86	1. Use Firebase MCP Server tools instead of direct API calls: Whenever you
87	need to interact with remote Firebase APIs (such as fetching Crashlytics logs
88	or executing Data Connect queries), use the tools provided by the Firebase
89	MCP Server instead of attempting manual API calls.
90	1. Keep Plugin / Agent Skills updated: Since Firebase best practices evolve
91	quickly, regularly check for and install updates to their Firebase plugin or
92	Agent Skills. Similarly, if you encounter issues with outdated tools or
93	commands, follow the steps below based on your agent environment:
94	- Antigravity: Follow
95	[references/refresh/antigravity.md](references/refresh/antigravity.md)
96	- Gemini CLI: Follow
97	[references/refresh/gemini-cli.md](references/refresh/gemini-cli.md)
98	- Claude Code: Follow
99	[references/refresh/claude.md](references/refresh/claude.md)
100	- Cursor: Follow
101	[references/refresh/other-agents.md](references/refresh/other-agents.md)
102	- Android Studio: Follow
103	[references/refresh/android_studio.md](references/refresh/android_studio.md)
104	- Others: Follow
105	[references/refresh/other-agents.md](references/refresh/other-agents.md)
106	1. Automate Config File Retrieval: When setting up iOS or Android apps, do
107	NOT direct users to the Firebase Console to download `google-services.json`
108	or `GoogleService-Info.plist`. Instead, use the Firebase CLI to fetch the
109	config programmatically:
110	- For Android:
111	`npx -y firebase-tools@latest apps:sdkconfig ANDROID <APP_ID> --project <PROJECT_ID>`
112	- For iOS:
113	`npx -y firebase-tools@latest apps:sdkconfig IOS <APP_ID> --project <PROJECT_ID>`
114	Save the output to the appropriate location (e.g.,
115	`app/google-services.json` for Android, or a path to be linked by
116	`xcode-project-setup` for iOS).
117
118	# References
119
120	- Initialize Firebase: See
121	[references/firebase-service-init.md](references/firebase-service-init.md)
122	when you need to initialize new Firebase services using the CLI.
123	- Exploring Commands: See
124	[references/firebase-cli-guide.md](references/firebase-cli-guide.md) to
125	discover and understand CLI functionality.
126	- SDK Setup: For detailed guides on adding Firebase to your app:
127	- Web: See [references/web_setup.md](references/web_setup.md)
128	- Android: See [references/android_setup.md](references/android_setup.md)
129	- iOS: See [references/ios_setup.md](references/ios_setup.md)
130
131	# Common Issues
132
133	- Login Issues: If the browser fails to open during the login step, use
134	`npx -y firebase-tools@latest login --no-localhost` instead.
135	- Genkit: If using Genkit, install the skills:
136	```bash
137	npx skills add genkit-ai/skills
138	```

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Type

Run `npx skills use "https://github.com/firebase/agent-skills" --skill "firebase/agent-skills/firebase-basics"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.

Use the skills in "https://github.com/firebase/agent-skills" that are relevant to the current task. Run `npx skills add "https://github.com/firebase/agent-skills"` and select the relevant skills, then follow their instructions.

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