# openapi > Open-source publisher. Listings imported from github.com/openapi — credited to the original author with their license. - **Listings:** 14 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/openapi - **Website:** https://github.com/openapi ## Published listings - [Openapi Auth](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-auth) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-auth` Authenticate with the Openapi marketplace (oauth.openapi.com). Use when you need to create, inspect, renew or delete Bearer tokens, list available scopes, check wallet credit, subscriptions, or API usage stats. Required by every other openapi-* skill. - [Openapi Messaging](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-messaging) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-messaging` Send communications through Openapi - SMS with custom sender and OTP (SMS v2), Italian certified e-mail (PEC/Legalmail), bulk certified mail (Massive REM), and physical mail via Poste Italiane (registered letters, telegrams, judicial acts). Use when the user wants to send a message, letter or certified communication. - [Openapi Automotive](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-automotive) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-automotive` Vehicle data through Openapi Automotive - look up cars, motorcycles, insurance and MOT status by license plate across Italy, UK, Germany, France, Spain, Portugal. Use for vehicle technical data and insurance validity checks by plate. - [Openapi Documents](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-documents) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-documents` Obtain official Italian documents through Openapi - chamber of commerce reports (visure camerali), financial statements/balance sheets, company files (fascicoli), bylaws, DURC, protest reports. Use when the user needs an official PDF document about an Italian company or person. - [Openapi Mcp Server](https://agentstack.voostack.com/l/mcp-openapi-mcp-server) — MCP server · Free · security-reviewed — `agentstack add mcp-openapi-mcp-server` 🧠 A powerful, fully featured MCP Server for interacting with AI agents powered by @Openapi® - [Chatgpt On Telegram](https://agentstack.voostack.com/l/mcp-openapi-chatgpt-on-telegram) — MCP server · Free · security-reviewed — `agentstack add mcp-openapi-chatgpt-on-telegram` 💬 A lightweight bridge that connects Telegram bots with ChatGPT-style AI conversations, enabling seamless messaging, automation, and custom AI workflows with @Openapi® - [Openapi Trust](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-trust) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-trust` Verify data validity through Openapi Trust - email deliverability, mobile number HLR checks, IP reputation, URL safety scans, document-based identity verification (IDV). Use for anti-fraud validation of user-provided contact data and identities. - [Openapi Company](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-company) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-company` Look up company/business data through Openapi - Italian companies by VAT/tax code or name, European and worldwide company search, shareholders, UBO, AML, PEC/SDI codes, company monitoring. Use for questions like "find data about company X", "who owns VAT number Y", "search companies in France/EU/worldwide". - [Openapi Esignature](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-esignature) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-esignature` Digital signatures and time stamps through Openapi - eIDAS-compliant electronic signatures (SES with OTP, qualified QES, e-seals, massive automatic signing) and qualified time stamping of documents. Use when the user needs a document signed electronically or time-stamped with legal validity. - [Openapi Geo](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-geo) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-geo` Italian geographic and property data through Openapi - geocoding/reverse geocoding, zip codes (CAP), municipalities/provinces/regions with ISTAT codes, Italian cadastre (catasto) property and owner lookups, visure catastali/ipotecarie, real estate valuations. - [Get Started With Oauth V2](https://agentstack.voostack.com/l/mcp-openapi-get-started-with-oauth-v2) — MCP server · Free · security-reviewed — `agentstack add mcp-openapi-get-started-with-oauth-v2` 📣 ANNOUNCEMENT: The Openapi® OAuth system just got a major upgrade V2. - [Openapi Utilities](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-utilities) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-utilities` Openapi utility services - real-time currency exchange rates, HTML-to-PDF conversion (renders JavaScript), .it domain registration/management, and managed RAG (retrieval-augmented generation over your documents). Use for these one-off utility tasks. - [Openapi Risk](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-risk) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-risk` Assess the reliability of companies and individuals through Openapi Risk - credit scores, CRIF reports, patrimonial reports, negative events, heirs reports, worldwide KYC (PEP, sanction lists, adverse media). Use for due diligence, creditworthiness, AML/KYC questions. - [Openapi Invoicing](https://agentstack.voostack.com/l/skill-openapi-openapi-skills-openapi-invoicing) — Skill · Free · security-reviewed — `agentstack add skill-openapi-openapi-skills-openapi-invoicing` Italian electronic invoicing and payments through Openapi - send/receive electronic invoices via SDI (Sistema di Interscambio), digital receipts (scontrino elettronico), legal storage, and bill payments (MAV, RAV, PagoPA, car tax). Use for fatturazione elettronica and bill payment tasks. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.