How to Connect Cloudflare D1 to Gemini
Query your Cloudflare D1 data directly from Gemini using Sequel’s MCP server. Ask questions in plain English, with no SQL, no dashboards, and no context switching.
Short answer
Connect Cloudflare D1 to Sequel, then add Sequel's MCP server to Gemini using the config on this page. Gemini can then query your live Cloudflare D1 data in plain English, with no connector code and no CSV exports. Both steps take a few minutes.
Everything you can ask Gemini about your Cloudflare D1 data.
Ask in plain English — Sequel translates it into a Cloudflare D1 query, runs it, and Gemini hands back the answer. No SQL, no dashboards, no CSV exports.
- How many rows are in each table?
- Show me the 20 most recently created users.
- What is the conversion rate from signup to first purchase, by month?
- Which customers signed up last quarter and are still active?
- Find duplicate email addresses in the users table.
How it works
Three steps to get started
Connect Cloudflare D1 to Sequel
In your Sequel dashboard, go to Connections and add Cloudflare D1. Sequel handles authentication and schema discovery automatically.
Add Sequel to the agent
Copy the Sequel MCP configuration into Gemini's settings file (shown below). Swap in your API key from Settings → API Keys.
Ask Gemini about your data
Restart Gemini and start asking questions. "How many rows are in each table?" — and get a real answer backed by live Cloudflare D1 data.
Why Gemini
What Gemini does with your Cloudflare D1 data
Ground Gemini in your real data
Gemini with Sequel fetches live data from your databases before answering. Every number in the response is pulled from your actual data — not estimated or hallucinated.
Multi-modal analysis
Combine Gemini's multi-modal reasoning with Sequel's data access. Ask Gemini to analyze trends in your database data and produce a written summary, chart description, or presentation outline.
Build grounded AI apps faster
Developers building on the Gemini API can use Sequel as a data-access tool, giving their apps real-time database access without building custom integrations for every data source.
Configuration
Add Sequel to Gemini
Place this in Google AI Studio or Gemini API and replace sql_your_api_key with a key from Settings → API Keys.
Google AI Studio or Gemini API
# Gemini API (tool_config)
{
"tool_config": {
"function_calling_config": {
"mode": "AUTO"
}
},
"tools": [
{
"url_context": {
"mcp_server_url": "https://api.sequel.sh/mcp",
"headers": {
"Authorization": "Bearer sql_your_api_key"
}
}
}
]
}Install
Install Cloudflare D1 MCP in Gemini
Pick your app and Sequel installs itself: a one-click link where the client supports it, that client’s own few steps where it doesn’t. Every route signs in with your Sequel account over OAuth, so there is no API key to copy and nothing to keep in sync.
Already have an MCP client?
https://api.sequel.sh/mcp
Add it as a remote (streamable HTTP) server and sign in when prompted. Skills come with it; nothing else to install. Manual setup per client
Add Sequel to Gemini CLI
Terminal
gemini mcp add --transport http sequel https://api.sequel.sh/mcp
- 1Run the command in your terminal. Add --scope user to add it to every project.
- 2Start Gemini CLI and run /mcp auth sequel. Sign in in the browser.
- 3Run /mcp to see the tools, then ask a question.
Other AI agents
Connect Cloudflare D1 MCP to any agent
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Connect Zed's AI assistant to your databases for real-time data access while you code.
Gemini
Connect Google Gemini to your databases for grounded, data-backed answers.
Claude Code
Query your databases directly from the Claude Code CLI — without leaving your terminal.
Codex
Give OpenAI Codex CLI real-time database access for data-grounded coding sessions.
OpenClaw
Turn your self-hosted OpenClaw agent into a data analyst that queries every source you've connected.
Hermes
Give Nous Research's Hermes agent read access to every database and marketing tool you've connected.
Grok Bot
Tell your Grok bot to add Sequel and it can query every database and marketing tool you've connected.
Muse
Give Meta's Muse one message and it builds its own connector to every source you've put in Sequel.
dots
Add Sequel once in ChatGPT and your dot can answer data questions on its own, day and night.
Other data sources
Connect other sources to Gemini
PostgreSQL
Query your PostgreSQL database in plain English. No SQL required.
MySQL
Instant insights from your MySQL database. Ask in plain English.
ClickHouse
Real-time analytics on ClickHouse at any scale, in plain English.
BigQuery
Query petabytes of BigQuery data in plain English.
Google Sheets
Query, write, and manage Google Sheets with AI.
Google Analytics 4
Ask your GA4 data anything. No SQL, no dashboards.
Google Search Console
Unlock your SEO data with natural language. No exports, no pivot tables.
MCP Server
Connect any MCP-compatible server and query it with AI in seconds.
Stripe
Ask your Stripe data anything. MRR, churn, refunds — answered in plain English.
Polar
Ask your Polar revenue, subscriptions, and usage data anything — in plain English.
Dodo Payments
Ask questions about payments, subscriptions, refunds and payouts in plain English.
PostHog
Ask your PostHog product data anything — with HogQL under the hood.
Mixpanel
Conversational analytics on your Mixpanel events, funnels, and retention.
Amplitude
Query your Amplitude taxonomy, funnels, and dashboards in plain English.
HubSpot
Your AI analyst for HubSpot contacts, deals, tickets, and pipelines.
Ahrefs
Ask your Ahrefs SEO data anything: backlinks, keywords, and traffic.
Apollo.io
Ask your Apollo.io prospects, contacts, and accounts anything, in plain English.
Instagram organic analytics — post engagement, reach, and audience insights in plain English.
Frequently asked questions
How do I connect Cloudflare D1 to Gemini?
You need two things: (1) connect Cloudflare D1 to Sequel in your Sequel dashboard under Connections, and (2) add the Sequel MCP config to Gemini using the setup shown above. Once both are done, Gemini can query your Cloudflare D1 data directly.
What Cloudflare D1 data can Gemini access?
Gemini can access any data available through your Cloudflare D1 connection in Sequel. Use Sequel's search tool to discover available metrics and dimensions, then execute queries to pull the data you need.
Is my Cloudflare D1 data sent to Gemini's servers?
Query results are returned to Gemini as context within your conversation. Only the data you explicitly ask about is retrieved. Sequel never stores your query results permanently — they exist only for the duration of the tool call.
Do I need a Sequel account?
Yes. You need a Sequel account to connect Cloudflare D1 and generate an API key. Sign up free at sequel.sh — no credit card required. Then create a connection to Cloudflare D1 and generate an API key from Settings → API Keys.
Can I connect multiple Cloudflare D1 accounts?
Yes. Sequel supports multiple connections of the same type. If you have multiple Cloudflare D1 accounts or properties, add each as a separate connection in Sequel. Gemini will be able to query all of them.
How do I connect Gemini to Sequel?
Gemini's MCP support is available through Google AI Studio and the Gemini API. In AI Studio, go to Settings → Extensions and add the Sequel MCP server URL. For the API, include the MCP server in your tool_config as shown above.
Which Gemini models support MCP?
MCP tool use is supported on Gemini 1.5 Pro, Gemini 2.0 Flash, and newer models. Check Google's latest documentation for the current list of models with MCP/tool use support.
Can I use Sequel with Gemini in Google Workspace?
Gemini for Google Workspace (Docs, Sheets, Gmail) has a different extension model. Sequel MCP currently targets the Gemini API and AI Studio. Enterprise Workspace integrations may be available in future.
Is this suitable for building production apps with Gemini?
Yes. You can use Sequel MCP in Gemini API applications by passing it as a tool. This is ideal for building internal tools, dashboards, or customer-facing AI features that need real database access.
How does Sequel connect to Cloudflare D1?
Through Cloudflare's D1 REST API. You sign in with Cloudflare, approve the connection, and choose which D1 database to connect. Sequel stores the resulting tokens encrypted and refreshes them automatically, so there is no API token to create, paste, or rotate by hand.
Can one connection reach more than one database?
No. You pick exactly one D1 database when you connect, and that choice is baked into the connection. Sequel has no tool that can list or query any other database. If you want to query a second database, add a second connection.
Is it read-only?
Yes, and it is enforced by Cloudflare rather than by us. Sequel requests only the D1 Read scope, so Cloudflare itself rejects any write that reaches the D1 API. The tools Sequel exposes are query and schema introspection, and nothing in the connector can create, update, or delete data.
Do I need to move my data anywhere?
No. Sequel queries D1 directly over Cloudflare's API. Nothing is copied into a warehouse and there is no sync to schedule. Query results are stored so you can export them, but your tables stay where they are.
Connect Cloudflare D1 to Gemini today
Sign up free, connect your data sources, and start querying in minutes.