# APISign Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## APISign

Send documents for legally binding e-signatures and manage signature templates.

- Record: https://musedirectory.ai/connector/apisign
- Category: Legal
- Developer: APISign (https://apisign.io/docs/api/mcp?ref=mcp-registry)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 1663ms, checked 2026-09-28T08:46:12Z
- Endpoint: https://apisign.io/mcp
- Auth: Needs an access key; Pricing: unknown
- Screening: Screened, no issues found (2026-09-24T02:46:14Z)
- Source: Found in the official MCP Registry (io.apisign/apisign) https://registry.modelcontextprotocol.io/v0/servers?search=io.apisign%2Fapisign

Connects to APISign to send documents for legally binding electronic signatures and manage reusable signature templates. Muse can help you prepare and send documents that need signing.

Example request: "Send this contract to my client for e-signature using my standard template."

How to connect: Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use APISign to help me. It is a free service with an MCP server at https://apisign.io/mcp. It needs an API key from APISign; ask me to enter it through your secure credential prompt. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Screening checks:
- MCP handshake: pass (Requires sign-in)
- Domain against threat feeds (Cloudflare security DNS): pass (apisign.io not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)