Ideal Postcodes MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Ideal Postcodes MCP or direct API to lookup addresses, validate postcodes, cleanse address lists, and geocode locations through natural language.

Ideal Postcodes logoIdeal Postcodes
Api Key

Ideal Postcodes provides UK and international address search, postcode lookup, and address cleansing APIs. Use it to validate addresses, clean lists, and ensure accurate contact data.

9 Tools

Try Ideal Postcodes now

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

TOOL ROUTER PLAYGROUND
Ideal Postcodes
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TOOLS

Supported Tools

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

Find Address Suggestions

Return ranked address suggestions for a partial address without resolving them; resolving a selected suggestion is a separate paid lookup.

Find Place Suggestions

Return ranked country, city, and administrative-area suggestions without resolving them; resolving a selected place is a separate paid lookup.

Get Address by Identifier

Retrieve a UK address by UDPRN or UMPRN.

Lookup Postcode

Return addresses at a UK postcode, or an Irish Eircode when enabled; successful results consume paid lookups.

Resolve Address Suggestion

Resolve an address suggestion ID to a complete GBR or USA address.

Resolve Place

Resolve a place suggestion ID to full geography and coordinates.

Search Addresses

Search complete UK address records by text, filters, or coordinates; successful results consume paid lookups.

Validate Address

Match and standardize a GBR or USA address with confidence details.

Validate Contact

Validate an email address or international phone number using an optional paid dataset enabled on the connected Ideal Postcodes API key.

SETUP GUIDE

Connect Ideal Postcodes 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 Ideal Postcodes
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: 'Lookup address for SW1A 1AA and return a formatted address'
  }],
  maxSteps: 5,
});

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

Connect Ideal Postcodes 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 Ideal Postcodes 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: 'Lookup address for SW1A 1AA and return a formatted address'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Ideal Postcodes actions with your Agent

Why Use Composio?

AI Native Ideal Postcodes Integration

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

Managed Auth

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

Use Ideal Postcodes with any AI Agent Framework

Choose a Framework you want to connect Ideal Postcodes with

FAQ

Frequently asked questions

Yes, Ideal Postcodes 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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