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dam-firebase-mcp-server: Instructions file for Claude Code

CLAUDE.md

dam-firebase-mcp-server CLAUDE.md is an instructions file for Claude Code from lt012071/dam-firebase-mcp-server. It costs 1,760 tokens per session, scanned A, original, MIT.

Project instructions for a Python MCP server that lets AI agents access selected Firebase Firestore and FireStorage data. Firebase is Google’s platform for storing application data and files.

In plain words
What is it for?
Use them when developing or maintaining this Firebase MCP server, including its filtered search tools, service-account setup, and transport settings.
Why use it?
They document how the server should be built, authenticated, and restricted so access is limited to intended collections and storage buckets.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md.

This is lt012071/dam-firebase-mcp-server's own configuration. It tells Claude Code how to work on dam-firebase-mcp-server itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything dam-firebase-mcp-server configures →

not rated 0repo 1y ago A scan 1,760 tokens original MIT
View source ↗ lt012071/dam-firebase-mcp-server
Reuse

Borrowing it

Nothing to install: this file belongs to lt012071/dam-firebase-mcp-server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/lt012071/dam-firebase-mcp-server/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/lt012071/dam-firebase-mcp-server

Made for: Claude Code.

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Per session 1,760 This file is loaded in full into every session.
When invoked 1,760 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.01760 $0.01760
Opus 5.5 $0.00704 $0.00704
Sonnet 5.5 $0.00352 $0.00352
Haiku 4.5 $0.00176 $0.00176

Measured 2mo ago against content hash 60d671a89c6d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dam-firebase-mcp-server CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 132 lines

How it starts

The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

プロジェクト概要

本プロジェクトは、Model Context Protocol (MCP) の公式仕様に完全準拠し、Python（FastMCP）を用いて、ClaudeなどのAIエージェントからFirebase（Firestore/FireStorage）に保存されたデータへ安全かつ効率的にアクセスできるMCPサーバーを構築することを目的とします。

仕様・要件

1. 開発方針

  • 言語はPythonを使用
  • MCP公式チュートリアル（Quickstart for Server Developers）のPython例に準拠
  • MCP公式Python SDK（GitHub）を利用
  • MCPサーバーの実装にはFastMCP（GitHub）を使用
  • FastMCPのtransportプロトコル（stdio/http等）は起動時に選択可能なため、開発時は特に意識せず実装

2. ディレクトリ構成例

  • MCP公式サーバーサンプル（sqlite、git）を参考に、
    • src/配下にサーバー本体（例：src/mcp_server_firebase/）
    • ルートにmain.pyやDockerfile、requirements.txt等を配置

3. Firestore/FireStorageへのアクセス

  • 汎用的なMCPサーバーではなく、アクセス対象のコレクション名やバケット名はソースコード内で固定
  • 必要に応じてアクセス範囲を制限し、セキュリティを担保

4. サービスアカウント認証

  • Googleサービスアカウントの認証情報（JSONファイル）をMCPサーバー起動時の引数で指定し、それを用いてFirebase Admin SDKを初期化
  • 例：python main.py --google-credentials /path/to/service_account.json

5. MCPツール（API）

  • Firestore/FireStorageのコレクション・バケットごとにツールを分割し、FastMCPの@mcp.tool()で実装する。
  • 各ツールは「filter条件を指定して検索」できるようにする。
  • それぞれのコレクションで持っているカラムと型を下記に列挙し、filterの指定例も記載する。
Firestore
assetsコレクション
  • カラムと型:
    • id: string
    • title: string
    • description: string
    • category: string
    • tags: string[]
    • uploader: string
    • uploadedAt: string (ISO8601日時)
    • updatedAt: string (ISO8601日時)
    • visibility: 'public' | 'private'
    • latestVersionId?: string
  • ツール:
    • search_assets(filter: dict) -> list[dict]
      • filter例: 
        { "category": "image", "tags": ["banner"], "visibility": "public", "uploadedAt": ">=2024-06-01" }
      • サポートする演算子例: ==, in, array-contains-any, >=, <= など

Read the full file on GitHub · 132 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 132 lines · 1,760 tokens per session scan A 60d671a89c6d

Subscribe to this mod's changes

dam-firebase-mcp-server CLAUDE.md is an instructions file published in the GitHub repository lt012071/dam-firebase-mcp-server (0 stars, last pushed 1y ago), licensed MIT. It adds 1,760 tokens to every session, about $0.0070 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Backend and APIsDatabases
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