Messente MCP server

Read Messente balance, prices, delivery status and statistics; send SMS to up to 10 numbers. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect MessenteFree 50 calls/mo

What can I ask?

Turn on the Messente connector, then ask in plain words. The AI picks the tools.

What you can do with Messente in Claude and ChatGPT

For businesses and developers who send SMS with Messente.

Check SMS credit and prices

The AI reads the remaining credit in EUR and the account's price per SMS part for a country, per mobile network. Use it to plan a send.

Report messages sent and cost per country

The AI reads total messages and total price per country for a date range, and optionally for chosen message types.

Check if a message was delivered

The AI reads the delivery report of a sent message by its id, with status, error and the price charged.

Check the blacklist for a number

The AI lists the blacklisted numbers or checks whether one number is on the blacklist.

Send an SMS or block a number

The AI sends a text to up to 10 numbers, which spends credit, or adds a number to the blacklist so Messente stops sending to it.

Changes data

How do I connect Messente?

Before you connect

The login page asks for your API username and API password.

Find both under Messente dashboard → API settings. They are different from your account login. If you restrict API access by IP there, allow 0.0.0.0/0 so this server can connect. Your credentials are used only to call the Messente API on your behalf; they are never shown to anyone.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name Messente and this URL, then click Add:
    https://messente.usefulapi.io/mcp
  3. Claude opens the login page: enter your API username and API password.
  4. In a chat, click + → Connectors and turn on Messente.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name Messente and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://messente.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your API username and API password.
  4. In Plugins, install Messente, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http messente https://messente.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "messente": {
      "url": "https://messente.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "messente": {
      "type": "http",
      "url": "https://messente.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add messente --url https://messente.usefulapi.io/mcp
codex mcp login messente

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://messente.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your API username and API password. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Proper user$9/mo · $90/yr10,000 tool calls / month
Pro+per user$39/mo · $390/yr100,000 tool calls / month

Each paid plan covers this Messente server only. Ask your AI to run messente_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with messente_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with messente_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

Tools 13

Show all 13 tools (the AI picks them for you)

Read only · 6

  • Get account balancemessente_get_balance
    Get the Messente account's remaining SMS credit balance (in EUR). Messente legacy API: GET /get_balance (api2.messente.com).
  • Get SMS prices for a countrymessente_get_prices
    Get this account's price per SMS part for one country, per mobile network (use it to estimate what messente_send_sms will cost).
  • Get delivery status of a messagemessente_get_delivery_status
    Get the delivery report of a sent message by its omnimessage id (returned by messente_send_sms): per-message status (DELIVRD, UNDELIV, FAILED, ...), error and the price charged. Messente asks not to poll this for every message at scale.
  • List blacklisted numbersmessente_list_blacklist
    List the phone numbers on the account's blacklist (numbers Messente will not send to). Returns the total count and at most `limit` numbers.
  • Check if a number is blacklistedmessente_check_blacklist
    Check whether one phone number is on the account's blacklist. Messente: GET /phonebook/blacklist/{phone} (found = blacklisted, 404 = not).
  • Get message statisticsmessente_get_statistics
    Get total messages and total price per country for a date range, optionally for some message types. Messente: POST /statistics/reports (a read-only report).

Changes data · 3

  • Look up phone numbers (HLR)messente_lookup_numbers
    Number lookup (HLR): is each number valid, ported, roaming, and which network it is on. COSTS CREDITS: Messente charges per number looked up (EUR 0.002 per number in its docs) and the Number Lookup service must be enabled on the account (a fixed monthly fee applies per Messente's docs). Up to 10 numbers per call.
  • Add a number to the blacklistmessente_add_to_blacklist
    WRITE: add one phone number to the account's blacklist, so Messente will no longer send messages to it. Adding a number already listed is harmless.
  • Send an SMSmessente_send_sms
    WRITE: SENDS REAL SMS TEXT MESSAGES to real people and SPENDS the account's Messente credit (each recipient is charged per SMS part, longer texts use several parts; use messente_get_prices to estimate). SMS only, at most 10 recipients per call, one message per recipient, never to a list. Send only to people who asked to receive it (Messente forbids unsolicited messages). Not undoable. Messente: POST /omnimessage with channel sms, once per recipient.

Your usefulapi plan · 4

  • Usage status (free-tier meter)messente_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featuremessente_request_feature
    Tell usefulapi that the user needs something the Messente tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+messente_upgrade
    Get a paid plan for Messente (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place: call without confirm first, as the reply states the exact charge for this account (the price difference for the rest of the period, or in a free Pro trial the full Pro+ price, as the trial ends); then call with confirm: true. Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptionmessente_cancel_subscription
    Cancel the caller's Messente Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run messente_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with Messente in Claude or ChatGPT?

Check SMS credit and prices. Report messages sent and cost per country. Check if a message was delivered. Check the blacklist for a number. Send an SMS or block a number. See what you can do for the details.

Is this an official Messente product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by Messente. The server calls the Messente API with your own Messente access, so it sees only the data that your account can see.

Can I connect Messente to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your API username and API password. See Before you connect for where to find them.

Do I put my Messente key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your API username and API password. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my Messente credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Messente API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Messente.

Can the AI change my Messente data?

Yes, if you approve it. 3 of the 9 Messente tools can create or change data. The other 6 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this Messente server only. Cancel any time: your paid plan then runs to the end of the paid period. Run messente_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run messente_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run messente_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a Messente tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with messente_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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