Bolna MCP server for AI agents and assistants

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Bolna MCP or direct API to design, launch, update, and manage conversational voice agents through natural language.

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Bolna is an AI platform for building conversational voice agents. It helps businesses automate support and streamline interactions through natural, voice-powered conversations.

97 Tools

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TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

Every Bolna action and event your agent gets out of the box.

Abort workflow campaign

Move a running or paused campaign to the terminal aborted state and stop its executions.

Add custom LLM model

Register an OpenAI-compatible custom LLM endpoint with Bolna.

Add Provider to Bolna

Tool to add a new telephony or voice service provider to your Bolna account.

Add number to SIP trunk

Add a DID phone number to a SIP trunk.

Bulk create dispositions

Atomically create multiple dispositions linked to one agent.

Buy phone number

Purchase an available phone number in the US or India with a recurring account charge.

Cancel workflow execution

Stop one workflow execution before its next external action.

Copy Bolna Agent

Tool to create a duplicate copy of an existing Bolna voice AI agent.

Create Bolna Voice AI Agent (v2)

Tool to create a new Bolna Voice AI agent using the v2 API.

Create Bolna Batch

Tool to create a new outbound calling batch by uploading a CSV of contacts to obtain a batch_id.

Create disposition

Create a structured transcript extraction disposition linked to an agent.

Create extraction category

Create an extraction category on an agent.

Create Bolna Knowledgebase

Tool to create a new knowledgebase for Voice AI agents to reference during conversations.

Create SIP trunk

Create a bring-your-own-telephony SIP trunk.

Create sub-account

Create an enterprise sub-account with its own concurrency limits and API key.

Create workflow

Create an empty, unpublished workflow and return its identifier.

Create workflow campaign

Create a draft campaign pinned to a published workflow version.

Delete agent by id

Permanently delete a Voice AI agent and all associated data including batches, executions, and configurations

Delete batch by id

Permanently delete a batch campaign by its ID, removing it from the system.

Delete custom LLM model

Delete a custom LLM model and its stored endpoint key from Bolna.

Delete disposition

Permanently delete a disposition without changing past call results.

Delete extraction category

Permanently delete an extraction category and every disposition inside it.

Delete Knowledgebase

Tool to permanently delete a knowledgebase from your Bolna account.

Delete phone number

Permanently release a purchased phone number and stop recurring billing.

Delete SIP trunk

Permanently delete a SIP trunk and its gateways, IP identifiers, and numbers.

Delete sub-account

Permanently delete a sub-account and all of its data.

Delete workflow

Permanently delete a workflow, its draft, and all published versions.

Delete workflow campaign

Permanently delete an empty campaign only while it is draft or scheduled.

Fetch all batches by agent id

Retrieve all batches associated with a specific Bolna Voice AI agent.

Get all agents

Retrieve all agents configured in your Bolna account Returns a comprehensive list of all voice agents with their configurations including: - Agent metadata (ID, name, type, status) - Task configurations (conversation settings, toolchains) - AI model settings (LLM, transcriber, synthesizer) - Webhook and phone number assignments - System prompts and guardrails This is useful for listing available agents, checking agent configurations, or finding specific agents by their properties.

Get all sub-accounts usage

Retrieve usage and cost breakdowns for every organization sub-account.

Get disposition

Retrieve one disposition, optionally requiring an agent link.

Get execution by id

Retrieve detailed information about a specific phone call execution by its ID.

Get execution raw logs

Retrieve raw transcriber, LLM, synthesizer, and telephony logs for a call.

Get knowledgebase by ID

Tool to retrieve details of a specific knowledgebase by its ID.

Get SIP trunk

Retrieve full details of one SIP trunk.

Get sub-account usage

Retrieve one sub-account's usage and cost breakdown for up to 32 days.

Get User Information

Tool to retrieve information about the authenticated user.

Get workflow

Retrieve workflow status, live settings, and version history.

Get workflow campaign

Retrieve a campaign with entry-status and validation-error counts.

Get workflow campaign entries template

Get the exact CSV header expected by a campaign's pinned workflow version.

Get workflow campaign report

Get aggregate statuses, termination reasons, and per-node funnel counts.

Get workflow draft

Retrieve a workflow's editable draft definition and revision.

Get workflow execution

Retrieve one contact's status, node attempts, state, and recent timeline.

Get workflow version

Retrieve a specific published workflow version and its full node graph.

Import Bolna Agent

Tool to import an existing Bolna voice AI agent by its ID.

List custom LLM models

List custom LLM models available in the current Bolna account scope.

List dispositions

List account-owned dispositions or dispositions linked to one agent.

List extraction categories

List an agent's extraction categories and the dispositions inside each.

List Knowledgebases

List knowledgebases in your Bolna account, with optional status filtering and pagination.

List all phone numbers

Tool to list all phone numbers associated with your Bolna account.

List all providers

Retrieve all providers associated with your Bolna account Returns a list of all configured providers including: - Provider IDs (unique identifiers) - Provider names (e.

List SIP trunks

List SIP trunks, optionally filtered by active status.

List sub-accounts

List all sub-accounts linked to the organization.

List numbers on SIP trunk

List all phone numbers assigned to a SIP trunk.

List TTS providers and models

List TTS providers and models supported for a language.

List violations

List flagged call violations, optionally filtered by status.

List available voices

List available voices for a TTS provider, model, and language, with pagination.

List workflow campaign entries

List a campaign's uploaded contacts, including row validation failures.

List workflow campaign executions

List and filter the per-contact executions created by a campaign.

List workflow campaigns

List workflow campaigns with filters, sorting, and offset pagination.

List workflow node types

List workflow node types and their supported configuration fields.

List workflows

List account workflows with optional name filtering and offset pagination.

Make an outbound phone call from agent

Initiate an outbound phone call using a configured Bolna Voice AI agent.

Patch Bolna Voice AI agent (v2)

Partially update a Bolna v2 agent without replacing its full configuration.

Pause workflow campaign

Move a scheduled or running campaign to paused; only paused campaigns can be resumed, while aborted campaigns are terminal.

Publish workflow

Freeze the current valid draft as a new immutable workflow version.

Remove Provider from Bolna Account

Tool to remove a provider from your Bolna account by its key name.

Remove number from SIP trunk

Remove a phone number and any agent mapping from a SIP trunk.

Rename workflow

Rename an existing workflow.

Resend workflow execution webhook

Queue redelivery of a finished workflow execution's original webhook.

Resume workflow campaign

Move a paused campaign back to running.

Retrieve agent by id

Retrieve details for a specific Bolna voice AI agent by ID, including name, type, status, tasks, timestamps, and the first task's prompt when available.

Retrieve agent execution status

Retrieve a paginated, filterable list of executions for a specific agent, including call status, costs, transcripts, and telephony data when available.

Retrieve Batch Details by ID

Retrieve comprehensive details about a specific Bolna batch by its ID.

Retrieve batch execution list

Retrieve a page of executions from a specific batch.

Run workflow

Run one contact through the workflow's latest published version.

Save workflow draft

Overwrite a workflow draft using revision-based optimistic concurrency.

Schedule Batch by ID

Schedule a batch to execute at a specific time.

Search available phone numbers

Search for available phone numbers to purchase for Bolna Voice agents in the US or India, with an optional prefix pattern.

Setup inbound call for agent

Add agent for inbound calls

Start workflow campaign

Move a draft or scheduled campaign to running.

Stop Agent Calls

Stop queued or scheduled calls for a specific Voice AI agent, optionally filtered by user or sub-account.

Stop batch by id

Stop a running batch by its ID.

Stop queued or scheduled call

Cancel a queued or scheduled call before it starts.

Submit violation

Submit evidence for a Bolna violation and move it to submitted state.

Test dispositions against a transcript

Run every linked disposition against a transcript.

Test workflow webhook

Send a sample terminal execution event to a workflow's saved webhook.

Unlink inbound agent

Remove automatic inbound agent routing from a phone number.

Update Bolna Voice AI Agent (v2)

Tool to update all settings and configuration of an existing Bolna Voice AI agent using the v2 API.

Update disposition

Partially update a disposition, with optional agent-scoped copy-on-write.

Update extraction category

Rename an extraction category and/or change its extraction model.

Update SIP trunk

Partially update a SIP trunk; supplied gateway arrays replace existing arrays.

Update sub-account

Partially update an enterprise sub-account's name or concurrency limits.

Update workflow settings

Apply an RFC 7396 merge patch to a workflow's live settings.

Upload workflow campaign entries

Upload JSON contacts to a draft, scheduled, or running workflow campaign.

Validate workflow

Check a saved workflow draft for errors and warnings before publishing.

SETUP GUIDE

Connect Bolna MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openai
Install the Composio SDK and your agent framework
2

Create a session with MCP enabled

typescript
import { Composio } from "@composio/core";

const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
  toolkits: ["bolna"],
  mcp: true,
});
Create a session scoped to Bolna and read its MCP URL and headers
3

Connect your agent to the MCP server

typescript
import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";

const client = await createMCPClient({
  transport: { type: "http", url: mcp.url, headers: mcp.headers },
});

const { text } = await generateText({
  model: openai("gpt-5.6-sol"),
  tools: await client.tools(),
  prompt: "Initiate a phone call to a customer using my support agent",
  stopWhen: stepCountIs(10),
});

console.log(text);
await client.close();
Pass the session's MCP URL and headers to your agent and run a Bolna request
SETUP GUIDE

Connect Bolna API Tool with your Agent

1

Install Composio

typescript
npm install @composio/core @composio/openai openai
Install the Composio SDK, the OpenAI provider, and the OpenAI SDK
2

Create a Composio session

typescript
import OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";

const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();

const session = await composio.create("your-user-id", { toolkits: ["bolna"] });
const tools = await session.tools();
Initialize Composio with the OpenAI Responses provider and create a session scoped to Bolna
3

Run Bolna tools with your agent

typescript
let response = await client.responses.create({
  model: "gpt-5.6-sol",
  tools,
  input: [{ role: "user", content: "Initiate a phone call to a customer using my support agent" }],
});

while (response.output.some((o) => o.type === "function_call")) {
  const outputs = await composio.provider.handleToolCalls(session, response.output);
  response = await client.responses.create({
    model: "gpt-5.6-sol",
    tools,
    previous_response_id: response.id,
    input: outputs,
  });
}

console.log(response.output_text);
Send a request, execute the Bolna tool calls through the session, and print the final answer

Why Use Composio?

AI Native Bolna Integration

  • Supports both Bolna MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Bolna data

Managed Auth

  • Built-in API key handling with secure storage
  • Central place to manage, scope, and revoke Bolna access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Bolna
  • Scoped, least privilege access to Bolna resources
  • Full audit trail of agent actions to support review and compliance

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