Connector guide3-minute read13 MCP tools7 languages

How to Connect Firma.dev to Gemini — via MCP

Firma.dev e-signature from any AI agent: templates, signing requests from a template, sending and reminders, recipient status, audit trail and signed PDFs. 13 tools, API-key auth, with free test keys.

HCBy HelpCode teamUpdated 3 min read Open-source on GitHub

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Firma.dev

Firma.dev

Firma.dev e-signature from any AI agent: templates, signing requests from a template, sending and reminders, recipient status, audit trail and signed PDFs. 13 tools, API-key auth, with free test keys.

tools

13

Region

INTL

Category

E-Signature

Authentication

API Key

Required env vars

FIRMA_API_KEY
Install in one click on Cloud

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  • 7-day free trial
    No credit card required
  • GDPR & SOC 2 ready
    EU data residency, audit logs
  • Open-source on GitHub
    Open source · AGPL-3.0
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

Start a free trial on cloud.anythingmcp.com, add the Firma.dev in one click, then point your AI client (Claude, ChatGPT, Copilot or Cursor) at the generated MCP endpoint. No Docker, no git clone, zero engineering experience required.

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Summary

Firma.dev e-signature from any AI agent: templates, signing requests from a template, sending and reminders, recipient status, audit trail and signed PDFs. 13 tools, API-key auth, with free test keys.

Try asking

Example prompts for Firma.dev

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

Firma.dev · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → Firma.dev, paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

Firma.dev + Gemini

Firma.dev e-signature from any AI agent: templates, signing requests from a template, sending and reminders, recipient status, audit trail and signed PDFs. 13 tools, API-key auth, with free test keys.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

FIRMA_API_KEY

Step 1 — Get credentials

This connector drives Firma.dev (api.firma.dev), a developer-first e-signature API: templates, signing requests (envelopes), their recipients, audit trail and signed documents. 13 tools.

Setup

  1. Sign up at https://firma.dev (free, no card) and open your workspace in the dashboard.
  2. Copy an API key into FIRMA_API_KEY. Every workspace has two: the test key creates watermarked test requests and consumes no credits, the live key sends real, legally binding requests and consumes one credit per envelope (about €0.049). Start with the test key.
  3. The key is sent as the Authorization header, without a Bearer prefix. It is stored encrypted.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d

Step 3 — Add the connector in Gemini

Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide shows YOUR_SERVER_ID.

Gemini CLI reads MCP servers from ~/.gemini/settings.json (or %APPDATA%\gemini\settings.json on Windows). Add:

{
  "mcpServers": {
    "anythingmcp": {
      "httpUrl": "https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID",
      "headers": { "X-API-Key": "YOUR_MCP_API_KEY" }
    }
  }
}
  1. Get your MCP API key from AnythingMCP → MCP Servers → your server → API keys.
  2. Save the file and restart gemini.
  3. Run /mcp inside the Gemini CLI — Firma.dev should be listed as available.
  4. Vertex AI Studio: pass https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID to the tools array of your request with the same X-API-Key header.

Available tools

ToolWhat it does
firma_get_companyThe Firma.dev company account behind the key: name, owner, language and the remaining envelope credits
firma_list_templatesList the workspace's templates (reusable documents with recipient slots and fields), newest first unless sorted otherwise
firma_get_templateOne template in full: its settings, document, fields and reminders, as it would be copied into a signing request
firma_list_template_recipientsThe recipient slots of a template: id (pass it as template_user_id when creating a signing request), designation (Signer, Approver, CC)…
firma_list_signing_requestsList signing requests (envelopes) with their status and dates, filtered by status, name, signer or creation date
firma_get_signing_requestOne signing request in full: status flags (sent, finished, cancelled, declined, expired), timestamps, expiry, credit cost and settings
firma_list_signing_request_recipientsThe recipients of a signing request with where each one stands: finished_on (signed), declined_on and decline_reason, signing order, and…
firma_get_signing_request_auditThe audit trail of a signing request in chronological order: created, edited, sent and cancelled by the sender; viewed, signed, declined…
firma_get_signed_document_urlA short-lived download URL for the signed PDF of a finished signing request (or the partially signed PDF when partial download is enabled)
firma_create_signing_request_from_templateCreate a DRAFT signing request from a template, with the real recipients filled into the template's slots
firma_send_signing_requestSend a draft signing request: every signer gets the signing email
firma_resend_signing_requestEmail the signing link again to recipients who can sign now and have not signed yet, optionally with a short message
firma_cancel_signing_requestCancel a sent signing request that is not finished yet; signers can no longer sign it

FAQ

Does Gemini 1.5 Pro or 2.x support MCP? Yes — Gemini CLI ≥ 0.4 and Vertex AI tools API both accept MCP httpUrl connectors with custom headers.

Next steps

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