Polar Signals MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Polar Signals MCP or direct API to inspect profiling projects, list recent profiles, analyze performance hotspots, and detect regressions through natural language.

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Api Key

Polar Signals MCP is a continuous profiling and performance monitoring service for engineering teams. Use it to find regressions and surface runtime optimization opportunities.

8 Tools

Try Polar Signals MCP now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
Polar Signals MCP
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TOOLS

Supported Tools

Every Polar Signals MCP action and event your agent gets out of the box.

List projects

List all projects accessible to the current user.

Query profile flamegraph

Return a flame graph as a breadth-first call tree.

Query profile labels

Get available label names for a specific profile type.

Query profile label values

List the values a profiling label takes (e.

Query profile sandwich

Show the calling context around a specific function: which functions call it (callers) and which functions it calls (callees).

Query profile source

Retrieve per-line profiling data for a specific source file.

Query profile table

Query profiling data as a flat table of functions sorted by cumulative time.

Query profile types

ProfileTypes returns the list of available profile types.

SETUP GUIDE

Connect Polar Signals MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

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

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Polar Signals MCP
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Polar Signals MCP API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

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

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Polar Signals MCP Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Polar Signals MCP actions with your Agent

Why Use Composio?

AI Native Polar Signals MCP Integration

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

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Polar Signals MCP 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 Polar Signals MCP
  • Scoped, least privilege access to Polar Signals MCP resources
  • Full audit trail of agent actions to support review and compliance
FRAMEWORKS

Use Polar Signals MCP with any AI Agent Framework

Choose a Framework you want to connect Polar Signals MCP with

FAQ

Frequently asked questions

Yes, Polar Signals MCP requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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Managed auth, hosted MCP servers, and every Polar Signals MCP tool your agent needs.Free to start.

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