
How to add eSignatures.com MCP Server to Claude Desktop
AI-friendly electronic signatures: create, edit, send, and manage Markdown-based contracts via the eSignatures.com API. Paste the config into ~/Library/Application Support/Claude/claude_desktop_config.json and restart Claude Desktop.
Last updated June 14, 2026 ยท 37โ ยท stdio ยท apikey
Claude Desktop config for eSignatures.com MCP Server
{
"mcpServers": {
"esignatures-com-mcp-server": {
"command": "uvx",
"args": [
"mcp-server-esignatures"
],
"env": {
"ESIGNATURES_SECRET_TOKEN": "your-esignatures-api-secret-token"
}
}
}
}Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.
Setup steps
- 1Open Claude Desktop โ Settings โ Developer โ Edit Config (this opens ~/Library/Application Support/Claude/claude_desktop_config.json).
- 2Paste the eSignatures.com MCP Server config below under the top-level "mcpServers" key.
- 3Fill in any placeholder secrets (API keys, paths) in the snippet.
- 4Save the file, then fully quit and reopen Claude Desktop.
- 5Open a chat and confirm eSignatures.com MCP Server's tools appear under the ๐ tools menu.
Before you start
- An eSignatures.com account and API secret token (free accounts can test templates and send test contracts)
- uv / uvx (Python) to run the published server, or a local clone of the repository for development
- An MCP-compatible client such as Claude Desktop
What eSignatures.com MCP Server can do in Claude Desktop
create_contractDraft for review or send a contract.
query_contractRetrieve contract info.
withdraw_contractWithdraw an active contract.
delete_contractDelete a draft or test contract.
list_recent_contractsList the recent contracts.
add_contract_signerAdd a signer to an existing contract.
update_contract_signerUpdate an existing signer's contact details.
resend_contract_signer_requestSend or resend the sign request to a signer.
Security
Requires an eSignatures.com API secret token, provided via the ESIGNATURES_SECRET_TOKEN environment variable. The server can create, send, withdraw, and delete legally binding contracts and manage signers, so guard the token and review agent actions accordingly.
eSignatures.com MCP Server + Claude Desktop FAQ
Where is the Claude Desktop config file?
Claude Desktop reads MCP servers from ~/Library/Application Support/Claude/claude_desktop_config.json. Paste the eSignatures.com MCP Server config there under the "mcpServers" key and restart the client.
Is eSignatures.com MCP Server safe to use with Claude Desktop?
Requires an eSignatures.com API secret token, provided via the ESIGNATURES_SECRET_TOKEN environment variable. The server can create, send, withdraw, and delete legally binding contracts and manage signers, so guard the token and review agent actions accordingly.
How do I authenticate?
Set the ESIGNATURES_SECRET_TOKEN environment variable to your eSignatures.com API secret token. Create a free account at https://esignatures.com to obtain one and test the integration.
How do I install it in Claude Desktop?
Add an mcpServers entry to claude_desktop_config.json. The published configuration uses command "uvx" with args ["mcp-server-esignatures"] and the ESIGNATURES_SECRET_TOKEN env var. A development configuration using "uv --directory <path> run mcp-server-esignatures" is also documented for running from a local clone.
Can contracts be edited after they're sent?
Yes. eSignatures.com contracts are Markdown-based and remain fully editable throughout their lifecycle, so agents can amend wording and placeholder fields even on active contracts.