Anthropic's assistant, via MCP

Use TextKit with Claude.SMS, phone verification, and real numbers, as capabilities.

Connect the TextKit MCP server and Claude can send texts, run phone verification, and buy numbers as native tool calls, no glue code.

1. Connect the MCP server

Texts, numbers, verification, contacts, broadcasts and automations become tool calls. In claude.ai or Claude Desktop, open Settings, then Connectors, then Add custom connector, and paste this URL. Claude sends you to TextKit to sign in and approve.

https://mcp.jointextkit.com

Every tool and how sign-in works: MCP server docs

2. Install the skills

Three SKILL.md files teach Claude the API, the verification rules, and SMS compliance, so it writes correct integration code the first time:

curl -sSL https://jointextkit.com/skills/install.sh | sh

textkit · textkit-verify · sms-best-practices

3. Ask for the feature

A prompt like this now resolves against the real API, with a sandbox key that simulates everything and costs nothing:

Add phone verification to signup using TextKit Verify
(POST /v1/verify, then /v1/verify/check). Docs:
https://jointextkit.com/docs/verify.md

Everything Claude needs is machine-readable: an OpenAPI spec, markdown twins of every docs page, and a single-file llms.txt of the whole documentation set.

/llms.txt
/api/v1/openapi.yaml
/docs/llms-full.txt

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