Yousign MCP Server for LlamaIndexGive LlamaIndex instant access to 12 tools to Activate Signature Request, Add Document To Request, Add Signer To Request, and more
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Yousign as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
Ask AI about this App Connector for LlamaIndex
The Yousign app connector for LlamaIndex is a standout in the Industry Titans category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to Yousign. "
"You have 12 tools available."
),
)
response = await agent.run(
"What tools are available in Yousign?"
)
print(response)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Yousign MCP Server
Connect your Yousign account to any AI agent to automate your electronic signature workflows and contract management through natural conversation.
LlamaIndex agents combine Yousign tool responses with indexed documents for comprehensive, grounded answers. Connect 12 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
What you can do
- Request Management — Create and manage electronic signature requests for multiple documents and signers.
- Signer Customization — Add signers with customizable signature levels and authentication modes (OTP, no-OTP).
- Real-time Monitoring — Track signature request status in real-time and automate the activation/sending process.
- Compliance & Auditing — Download signed documents and comprehensive audit trails for full legal compliance.
The Yousign MCP Server exposes 12 tools through the Vinkius. Connect it to LlamaIndex in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 12 Yousign tools available for LlamaIndex
When LlamaIndex connects to Yousign through Vinkius, your AI agent gets direct access to every tool listed below — spanning contract-signing, electronic-signature, security, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Send for signature
Note: In this version, pass metadata info. Upload PDF to sign
Define who signs
Stop signature process
Start new signature process
Add to address book
Remove draft request
Get evidence file link
Get request status
Get account info
List all requests
List address book
Connect Yousign to LlamaIndex via MCP
Follow these steps to wire Yousign into LlamaIndex. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
pip install llama-index-tools-mcp llama-index-llms-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.py and run: python agent.pyExplore tools
Why Use LlamaIndex with the Yousign MCP Server
LlamaIndex provides unique advantages when paired with Yousign through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine Yousign tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain Yousign tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query Yousign, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what Yousign tools were called, what data was returned, and how it influenced the final answer
Yousign + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the Yousign MCP Server delivers measurable value.
Hybrid search: combine Yousign real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query Yousign to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying Yousign for fresh data
Analytical workflows: chain Yousign queries with LlamaIndex's data connectors to build multi-source analytical reports
Example Prompts for Yousign in LlamaIndex
Ready-to-use prompts you can give your LlamaIndex agent to start working with Yousign immediately.
"Create a new signature request named 'Annual Service Agreement'."
"Check the status of my ongoing signature requests."
Troubleshooting Yousign MCP Server with LlamaIndex
Common issues when connecting Yousign to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpYousign + LlamaIndex FAQ
Common questions about integrating Yousign MCP Server with LlamaIndex.