# SignNow Api Helper MCP

Supplies SignNow API references, code patterns, and troubleshooting advice directly inside your coding client.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 10
- Author: signnow
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/signnow/sn-api-helper-mcp
- Updated: 2026-01-21
- HTML: https://affpapa.org/en/nevibecode/mcp/signnow-api-helper-mcp

## What it does

This MCP server bridges your coding agent with the SignNow API ecosystem. It introduces the `get_signnow_api_info` tool, allowing the assistant to pull reference documentation, endpoint schemas, and parameters needed for electronic signature flows.

Communication is strictly limited to standard input/output (`stdio`). Running the server requires a local Python runtime or `uvx`, because network transports like HTTP or SSE are omitted entirely.

## Requirements
- Needs: Python and uv (commands run via uvx)

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add sn-api-helper-mcp -- uvx sn-api-helper-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from sn-api-helper-mcp <command>

### Codex

**Platform CLI**
```bash
codex mcp add signnow-api-helper-mcp -- uvx sn-api-helper-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from sn-api-helper-mcp <command>

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "signnow-api-helper-mcp": {
            "command": "uvx",
            "args": [
                "sn-api-helper-mcp"
            ]
        }
    }
}
```
uvx runs the command named after the package; if the README names another one, use uvx --from sn-api-helper-mcp <command>

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "signnow-api-helper-mcp": {
            "type": "stdio",
            "command": "uvx",
            "args": [
                "sn-api-helper-mcp"
            ]
        }
    }
}
```
uvx runs the command named after the package; if the README names another one, use uvx --from sn-api-helper-mcp <command>

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add signnow-api-helper-mcp uvx sn-api-helper-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from sn-api-helper-mcp <command>

## When to use it
- look up SignNow API endpoints and payload requirements
- construct code routines for multi-party document signing workflows
- resolve SignNow authorization issues and token headers
- diagnose API error responses during integration

## Example prompts
- Look up the SignNow API parameters needed to create a signature invite.
- Write a Python script to upload a document and track its status in SignNow.
- Explain the typical causes of 400 Bad Request responses in the SignNow API.

## Similar
- [signature-request](https://affpapa.org/en/nevibecode/skills/signature-request.md) — skill · 2700 installs
- [api-error-design](https://affpapa.org/en/nevibecode/skills/api-error-design.md) — skill · 7800 installs
- [api-versioning-policy](https://affpapa.org/en/nevibecode/skills/api-versioning-policy.md) — skill · 7600 installs
- [signiflow](https://affpapa.org/en/nevibecode/skills/signiflow.md) — skill · 336 installs
- [hono-api-scaffolder](https://affpapa.org/en/nevibecode/skills/hono-api-scaffolder.md) — skill · 1600 installs
- [sap-api-style](https://affpapa.org/en/nevibecode/skills/sap-api-style.md) — skill · 785 installs

---
NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md