Dropbox Sign MCP Server
for AI Agents

Q: What AI frameworks and AI clients does the StackOne Dropbox Sign MCP server support?

The StackOne Dropbox Sign MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Production-ready Dropbox Sign MCP server with 69 extensible actions — plus built-in authentication, security, and optimized execution.

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Dropbox Sign MCP Server

Built by

StackOne

Coverage

69 Agent Actions

Create, read, update, and delete across Dropbox Sign — and extend your agent's capabilities with custom actions.

MCP Actions → Create Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your Dropbox Sign MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every Dropbox Sign tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Dropbox Sign call.

Tools Discovery →

What is the Dropbox Sign MCP Server?

A Dropbox Sign MCP server lets AI agents read and write Dropbox Sign data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Dropbox Sign MCP server ships with 69 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All Dropbox Sign MCP Tools and Actions

Every action from Dropbox Sign's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

Accounts

Create Account
Creates a new Dropbox Sign account with the specified email address.
Get Account
Retrieves information about the current account including quotas, callback URL, and role settings.
Update Account
Updates account settings including callback URL and locale preferences.

Signature Requests

Send Signature Request
Creates and sends a new signature request with the submitted documents.
List Signature Requests
Returns a list of signature requests accessible to the authenticated user.
Get Signature Request
Retrieves the status and details of a specific signature request.
Update Signature Request
Updates an existing signature request that is not yet complete.

Templates

Create Template
Creates a new reusable template for signature requests.
List Templates
Returns a list of templates accessible to the authenticated user.
Get Template
Retrieves information about a specific template.
Delete Template
Deletes the specified template permanently.

Template Files

Get Template Files
Downloads the document files from a template.
Update Template Files
Updates the files associated with a template.

Teams

Create Team
Creates a new team for the authenticated user.
Get Team
Retrieves information about your team including all members.
Update Team
Updates the name of your team.
Delete Team
Deletes your team permanently.

Team Members

Add Team Member
Invites a user to join your team.
List Team Members
Lists all members of your team.
Remove Team Member
Removes a member from your team.

API Apps

Create API App
Creates a new API App for the authenticated user.
List API Apps
Returns a list of all API Apps owned by the authenticated user.
Get API App
Retrieves information about a specific API App.
Update API App
Updates an existing API App's configuration.
Delete API App
Deletes an API App permanently.

Bulk Send Jobs

List Bulk Send Jobs
Returns a list of bulk send jobs accessible to the authenticated user.
Get Bulk Send Job
Retrieves details of a specific bulk send job.

Faxs

Send Fax
Sends a new fax to the specified recipient.
Get Fax
Retrieves information about a specific fax.
Delete Fax
Deletes a fax from the system.

Fax Lines

Get Fax Line
Retrieves properties and settings of a specific Fax Line.
List Fax Lines
Returns a list of Fax Lines that you have access to.
Delete Fax Line
Deletes a Fax Line from the account.

Other (36)

Send Signature Request With Template
Creates and sends a signature request using an existing template.
Send Signature Request Reminder
Sends a reminder email to signers who have not yet signed.
Create Embedded Signature Request
Creates a new embedded signature request for in-app signing experience.
Create Embedded Signature Request With Template
Creates an embedded signature request using a pre-configured template.
Add User To Template
Grants another user access to use the specified template.
Create Embedded Template Draft
Creates an embedded template draft for editing within an iframe.
Create Unclaimed Draft
Creates a new unclaimed draft that can be claimed and sent later.
Create Embedded Unclaimed Draft
Creates an embedded unclaimed draft for use within an iframe.
Create Embedded Unclaimed Draft With Template
Creates an embedded unclaimed draft using an existing template.
Send Bulk Signature Request With Template
Creates multiple signature requests from a template in a single bulk operation.
Create Report
Creates a new report for signature request activity.
Add User To Fax Line
Grants a user access to the specified Fax Line.
Get Signature Request Files
Downloads the signed documents from a completed signature request.
Get Signature Request Files As Data URI
Downloads documents from a signature request as a base64-encoded data URI.
Get Signature Request Files As File URL
Returns a URL to download the documents from a signature request.
Get Template Files As Data URI
Retrieves template document files as base64-encoded data URIs.
Get Template Files As File URL
Retrieves a download URL for template document files.
List Sub Teams
Lists all sub-teams within your organization.
Get Embedded Sign URL
Retrieves a signing URL for embedding in an iframe.
Get Embedded Edit URL
Retrieves an editing URL for modifying an embedded template draft.
List Faxes
Returns a list of faxes for the authenticated account.
Get Fax Files
Downloads the files associated with a fax.
Get Fax Line Area Codes
Returns a list of available area codes for purchasing Fax Lines.
Remove Signature Request Access
Removes your access to a completed signature request.
Remove User From Template
Revokes a user's access to the specified template.
Remove User From Fax Line
Revokes a user's access to the specified Fax Line.
Verify Account
Verifies whether a Dropbox Sign account exists for the specified email address.
Cancel Signature Request
Cancels an incomplete signature request permanently.
Release Signature Request Hold
Releases a held signature request to start the signing process.
Bulk Create Embedded Signature Requests With Template
Creates multiple embedded signature requests from a template in a single bulk operation.
Edit Signature Request
Edits an existing signature request with new documents or settings.
Edit Signature Request With Template
Edits an existing template-based signature request.
Edit Embedded Signature Request
Edits an existing embedded signature request.
Edit Embedded Signature Request With Template
Edits an existing embedded template-based signature request.
Edit And Resend Unclaimed Draft
Allows editing and resending of an existing signature request as an unclaimed draft.
Purchase Fax Line
Purchases a new Fax Line for the specified country and area code.

Set Up Your Dropbox Sign MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to Dropbox Sign in under 10 lines of code.

MCP Clients

Agent Frameworks

Claude Desktop-

JSON

Docs

{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

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Dropbox Sign MCP Server Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

Dropbox Sign MCP Server FAQ

Dropbox Sign MCP server vs direct API integration — what's the difference?

A Dropbox Sign MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Dropbox Sign. A Dropbox Sign MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Dropbox Sign at runtime. StackOne provides both.

How does Dropbox Sign authentication work for AI agents?

Dropbox Sign authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Dropbox Sign account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.

Are Dropbox Sign MCP tools vulnerable to prompt injection?

Yes — Dropbox Sign MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.

What is the context bloat of a Dropbox Sign agent and how do I avoid it?

Context bloat happens when Dropbox Sign tool schemas and API responses eat your Dropbox Sign agent's memory, preventing it from reasoning effectively. A single Dropbox Sign query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.

Can I limit which actions my Dropbox Sign agent can access?

Yes — you can limit which actions your Dropbox Sign agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.

Can I create custom agent actions for my Dropbox Sign MCP server?

Yes — you can create custom agent actions for your Dropbox Sign MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Dropbox Sign's API, generate production-ready connector YAML, test against the live API, and validate before you ship.

When should I NOT use a Dropbox Sign MCP server?

Skip a Dropbox Sign MCP server if your integration is purely software-to-software — direct Dropbox Sign API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Dropbox Sign actions at runtime.

What AI frameworks and AI clients does the StackOne Dropbox Sign MCP server support?

The StackOne Dropbox Sign MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

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All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

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Dropbox Sign MCP Serverfor AI Agents