Saperly MCP
Manage Saperly phone numbers, connections, calls, SMS and usage through its official MCP server using your scoped workspace API key.
What agents can do
Actions24
Assign number connection
Attach a connection (the handler that answers calls) to a number — i.e.
Create connection
Create a connection.
Delete connection
Delete a connection.
Get call
Fetch one call record by its Saperly id.
Get connection
Fetch one connection by its Saperly id.
Get number
Fetch one phone number by its Saperly id.
Get usage
Summarize calls, messages, and the current balance for this workspace.
List calls
List the calls in this workspace.
16 moreFewer
List connections
List the connections (call/message handlers) configured in this workspace.
List custom voices
List this workspace’s private voices and their processing status.
List messages
List SMS messages in this workspace, optionally filtered to one number.
List numbers
List the active phone numbers (lines) provisioned in this workspace.
List voices
List stock voices and ready private voices.
Place call
Dial an outbound call from one of your numbers.
Provision number
Order a new phone number and add it to this workspace.
Release number
Release a phone number and stop billing it.
Search available numbers
Search available inventory for numbers available to provision, priced for this workspace.
Send sms
Send an SMS from one of your numbers.
Set caller id name
Set (or clear) a line’s outbound CALLER ID NAME — the 1–15 letter/number/space display name (CNAM) shown alongside the number on the called party’s phone.
Set sms sender
Set (or clear) a line’s alphanumeric SMS sender name — the 1–11 letter/number label recipients see as the “from” on INTERNATIONAL SMS only.
Speak into call
Speak a line into a live call.
Sync connection
Reconcile a connection — create/update its assistant and mint its manual-mode secret.
Transfer call
Blind-transfer a live call to another destination — an E.164 phone number or a sip: URI.
Update connection
Update a connection’s name, instructions, compliance/disclosure — or switch its mode between hosted (an in-network AI assistant) and manual (your own brain via BYO-LLM).
How it connects
You paste an API key from Saperly MCP on a page Composio hosts, so the key never passes through Definable.
Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.
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