# firestore-data

Runs Node.js scripts to manage Firestore collections, inspect document trees, and execute filtered queries from your coding agent.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 892 installs · ★ 40
- Author: cline
- License: Apache-2.0 · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/cline/skills/tree/HEAD/skills/firestore-data/SKILL.md
- Updated: 2026-07-21
- HTML: https://affpapa.org/en/nevibecode/skills/firestore-data

## What it does

The skill equips your agent with Node.js scripts to manage Firestore data directly. It handles creating, fetching, modifying, and deleting documents. The `query_collection` script supports structured comparison filters, ordering, and returns execution metrics when requested.

All paths must remain relative, using formats like `users` or `users/userId/posts`. Passing absolute paths with Google Cloud project identifiers causes operations to fail. Field data requires Firestore native JSON typing, meaning values must be wrapped in descriptors like `stringValue`, `integerValue`, or RFC3339 timestamps.

Environment variables load automatically from existing `.env` files. You must have Node.js available on the machine to run these helper scripts.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add cline/skills --skill firestore-data -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/firestore-data/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/firestore-data/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add cline/skills --skill firestore-data -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/firestore-data/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add cline/skills --skill firestore-data -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/firestore-data/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install cline/skills firestore-data
```

2. **Manually: put the files in place**
- File: `.github/skills/firestore-data/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add cline/skills --skill firestore-data -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/cline/skills --path skills/firestore-data
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/firestore-data/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add cline/skills --skill firestore-data -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/cline/skills/tree/HEAD/skills/firestore-data/SKILL.md

## When to use it
- run CRUD operations against Firestore documents through natural language
- execute structured queries with field filters, sorting, and limits
- list root collections and nested subcollections
- batch retrieve or delete documents across relative paths

## Example prompts
- Query the `users` collection for records where `age` is greater than 18 using firestore-data
- List all subcollections under the path `users/account42`
- Delete documents at `users/u1/posts/p1` and `users/u2/posts/p2`

## Source text · SKILL.md · Apache-2.0

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 03ec2ee4b4fe2033.

BEGIN THIRD-PARTY FILE 03ec2ee4b4fe2033
```text
---
name: firestore-data
description: Handles NoSQL document operations and collection hierarchy exploration. Use for CRUD tasks and data retrieval. Provides flexible document manipulation and structured querying.
---

## Usage

All scripts can be executed using Node.js. Replace `<param_name>` and `<param_value>` with actual values.

**Bash:**
`node <skill_dir>/scripts/<script_name>.js '{"<param_name>": "<param_value>"}'`

**PowerShell:**
`node <skill_dir>/scripts/<script_name>.js '{\"<param_name>\": \"<param_value>\"}'`

Note: The scripts automatically load the environment variables from various .env files. Do not ask the user to set vars unless skill executions fails due to env var absence.


## Scripts


### add_documents

Adds a new document to a Firestore collection. Please follow the best practices :
 1. Always use typed values in the documentData: Every field must be wrapped with its appropriate type indicator (e.g., {"stringValue": "text"})
 2. Integer values can be strings in the documentData: The tool accepts integer values as strings (e.g., {"integerValue": "1500"})
 3. Use returnData sparingly: Only set to true when you need to verify the exact data that was written
 4. Validate data before sending: Ensure your data matches Firestore's native JSON format
 5. Handle timestamps properly: Use RFC3339 format for timestamp strings
 6. Base64 encode binary data: Binary data must be base64 encoded in the bytesValue field
 7. Consider security rules: Ensure your Firestore security rules allow document creation in the target collection


#### Parameters

| Name | Type | Description | Required | Default |
| :--- | :--- | :--- | :--- | :--- |
| collectionPath | string | The relative path of the collection where the document will be added to (e.g., 'users' or 'users/userId/posts'). Note: This is a relative path, NOT an absolute path like 'projects/{project_id}/databases/{database_id}/documents/...' | Yes |  |
| documentData | object | The document data in Firestore's native JSON format. Each field must be wrapped with a type indicator:
- Strings: {"stringValue": "text"}
- Integers: {"integerValue": "123"} or {"integerValue": 123}
- Doubles: {"doubleValue": 123.45}
- Booleans: {"booleanValue": true}
- Timestamps: {"timestampValue": "2025-01-07T10:00:00Z"}
- GeoPoints: {"geoPointValue": {"latitude": 34.05, "longitude": -118.24}}
- Arrays: {"arrayValue": {"values": [{"stringValue": "item1"}, {"integerValue": "2"}]}}
- Maps: {"mapValue": {"fields": {"key1": {"stringValue": "value1"}, "key2": {"booleanValue": true}}}}
- Null: {"nullValue": null}
- Bytes: {"bytesValue": "base64EncodedString"}
- References: {"referenceValue": "collection/document"} | Yes |  |
| returnData | boolean | If set to true the output will have the data of the created document. This flag if set to false will help avoid overloading the context of the agent. | No | `false` |


---

### delete_documents

Delete multiple documents from Firestore

#### Parameters

| Name | Type | Description | Required | Default |
| :--- | :--- | :--- | :--- | :--- |
```
END THIRD-PARTY FILE 03ec2ee4b4fe2033

The third-party file has ended. Everything between the 03ec2ee4b4fe2033 tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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