Bring Phone Verification
to Pydantic AI
Learn how to connect TeleSign to Pydantic AI and start using 10 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the TeleSign MCP Server?
Connect your TeleSign account to any AI agent and manage phone verification and intelligence.
What you can do
- SMS Verification — Send OTP codes via SMS and validate responses
- Voice Verification — Deliver codes via automated voice calls
- Phone Intelligence — Identify carrier, line type, and location
- Fraud Scoring — Calculate risk scores for phone numbers
- Number Deactivation — Check if numbers have been deactivated
- Push Verification — Send push notification verification
- Health Check — Verify API connectivity
Built-in capabilities (10)
Check number deactivation
Verify API connectivity
Check verification status
Get phone identity
Get phone type
Score phone risk
Send push verification
Send an SMS message
Send verification code
Send voice verification
Why Pydantic AI?
Pydantic AI validates every TeleSign tool response against typed schemas, catching data inconsistencies at build time. Connect 10 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.
- —
Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
- —
Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your TeleSign integration code
- —
Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
- —
Dependency injection system cleanly separates your TeleSign connection logic from agent behavior for testable, maintainable code
TeleSign in Pydantic AI
TeleSign and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect TeleSign to Pydantic AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for TeleSign in Pydantic AI
The TeleSign MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 10 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Pydantic AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
TeleSign for Pydantic AI
Every tool call from Pydantic AI to the TeleSign MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can my AI send and verify OTP codes?
Yes. send_verification sends the code, then check_verification validates the user's response.
Can I check fraud risk for a phone number?
Yes. score_phone returns a fraud risk score based on carrier intelligence and historical data.
Can I identify if a number is mobile or landline?
Yes. get_phone_type returns whether the number is mobile, landline, VoIP, or toll-free.
How does Pydantic AI discover MCP tools?
Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.
Does Pydantic AI validate MCP tool responses?
Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.
Can I switch LLM providers without changing MCP code?
Absolutely. Pydantic AI abstracts the model layer. your TeleSign MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.
MCPServerHTTP not found
Update: pip install --upgrade pydantic-ai
