# How to integrate HLR Lookup MCP with Atomic Agent ```json { "title": "How to integrate HLR Lookup MCP with Atomic Agent", "toolkit": "HLR Lookup", "toolkit_slug": "hlr_lookup", "framework": "Atomic Agent", "framework_slug": "atomic-agent", "url": "https://composio.dev/toolkits/hlr_lookup/framework/atomic-agent", "markdown_url": "https://composio.dev/toolkits/hlr_lookup/framework/atomic-agent.md", "updated_at": "2026-10-29T05:32:38.629Z" } ``` ## Introduction Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including HLR Lookup. This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a HLR Lookup account. See the [Atomic Agent documentation](https://atomicagent.io/docs/?cta_placement=atomic-agent-docs) for installation instructions. ## Also integrate HLR Lookup with - [ChatGPT](https://composio.dev/toolkits/hlr_lookup/framework/chatgpt) - [Claude Cowork](https://composio.dev/toolkits/hlr_lookup/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/hlr_lookup/framework/hermes-agent) ## TL;DR ### How Atomic Agent connects to HLR Lookup Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication. Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account. ## Connect HLR Lookup to Atomic Agent ### Connect HLR Lookup to Atomic Agent - Sign up or sign in to the [Composio dashboard](https://dashboard.composio.dev/?cta_placement=atomic-agent-api-key). Copy your API key. - In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart. - Ask Atomic Agent to do something in HLR Lookup. It searches Composio for the right tool. - On first use, open the sign-in link returned in the chat. Connect your HLR Lookup account, then return to Atomic Agent to continue. ### Headless setup Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file. ```bash COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY ``` ## What is the HLR Lookup MCP server, and what's possible with it? The HLR Lookup MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your HLR Lookup account. It provides structured and secure access to phone validation, HLR status checks, network and portability data, credit balances, and bulk processing, so your agent can validate phone numbers, check live phone status, identify mobile networks, manage lookup batches, and monitor available credits on your behalf. - Phone number validation: Have your agent validate up to 80 phone numbers at once and check their formatting and original network information. - HLR and network checks: Direct your agent to run live HLR lookups or retrieve mobile network and number portability data for up to 80 phone numbers. - Bulk lookup management: Let the agent create batches, upload phone numbers from JSON or CSV files, start or resume processing, pause work, and schedule a batch for a specific UTC time. - Batch progress and results: Instruct your agent to list batches, check their current progress, and download completed results as CSV or JSON files. - Credit balance monitoring: Have your agent check the remaining credit balance in your HLR Lookup account before running phone checks. ## Supported Tools | Tool slug | Name | Description | |---|---|---| | `HLR_LOOKUP_CHECK_PHONE_STATUS` | Check Phone Status | Run full HLR lookups for 1-80 phone numbers. This processes sensitive phone data and spends credits; optional status features can increase the cost. | | `HLR_LOOKUP_CREATE_BATCH` | Create Batch | Create an empty persistent HLR_V2 batch. Creation has no documented charge and handles no phone data; later uploads persist sensitive phone data, and processing can spend credits. | | `HLR_LOOKUP_DELETE_BATCH` | Delete Batch | Permanently delete one HLR batch and its results. This action is irreversible: never invoke it without explicit authorization, and download all needed results before deletion. It does not select a batch automatically. | | `HLR_LOOKUP_DOWNLOAD_BATCH_RESULTS` | Download Batch Results | Download a completed batch's full, unpaginated CSV or JSON result export, including source phone values and sensitive HLR intelligence, as a file reference. Select the required format explicitly. | | `HLR_LOOKUP_GET_BALANCE` | Get Credit Balance | Return the connected HLR Lookup account's remaining credit balance. This zero-credit read is the approved authentication check and does not process a phone number. | | `HLR_LOOKUP_GET_BATCH` | Get Batch | Return metadata and current progress for one HLR batch. Use it to follow an asynchronous batch until status is COMPLETE. | | `HLR_LOOKUP_LIST_BATCHES` | List Batches | List the connected account's HLR batches with their metadata and progress. The response reports provider offset and limit values, but the API documents no pagination inputs. | | `HLR_LOOKUP_MNP_LOOKUP` | Run MNP Lookup | Look up network and mobile-number-portability data for 1-80 phone numbers. This processes sensitive phone data and spends credits; requesting the optional ported date is the only MNP feature that can add a surcharge. | | `HLR_LOOKUP_PAUSE_BATCH` | Pause Batch | Pause processing one HLR batch. This action returns when the command is accepted and does not poll for a status change. | | `HLR_LOOKUP_SCHEDULE_BATCH` | Schedule Batch | Schedule processing of one uploaded HLR batch at a UTC time. Scheduled processing of sensitive phone data can irreversibly spend credits, so never invoke this action automatically. This action does not poll for processing or completion. | | `HLR_LOOKUP_START_OR_RESUME_BATCH` | Start or Resume Batch | Start or resume processing one uploaded HLR batch. Processing sensitive phone data can irreversibly spend credits, so never invoke this action automatically. This action returns when the command is accepted and does not poll for completion. | | `HLR_LOOKUP_UPLOAD_BATCH_CSV` | Upload Batch CSV | Upload a CSV file of sensitive phone data into an empty HLR batch. The provider permits one source upload; repeating it on a populated batch is documented to fail. | | `HLR_LOOKUP_UPLOAD_BATCH_JSON` | Upload Batch Phone Numbers | Upload 1-100,000 sensitive phone numbers into an empty HLR batch as a compact JSON array. The UTF-8 body must not exceed 2 MiB, and a populated batch cannot be uploaded again. | | `HLR_LOOKUP_VALIDATE_NUMBER` | Validate Phone Numbers | Validate formatting and original-network information for 1-80 phone numbers without a live HLR lookup. It costs zero credits but still processes sensitive phone data. | ## Supported Triggers None listed. ## Troubleshooting ### Why is my API key rejected? Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying. ### Why are Composio tools unavailable after saving a key? Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk. ### Does Composio have a free plan? The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See [Composio pricing](/pricing) for the current limits that apply to your connection. ## Complete Code None listed. ## Conclusion ### Use HLR Lookup from Atomic Agent With your account connected, ask Atomic Agent to work with HLR Lookup in natural language. You can connect more apps through the same Composio integration as you need them. Visit the [Atomic Agent website](https://atomicagent.io/?cta_placement=atomic-agent-site) or inspect the [Atomic Agent source code](https://github.com/AtomicBot-ai/atomic-agent?cta_placement=atomic-agent-repo). ## How to build HLR Lookup MCP Agent with another framework - [ChatGPT](https://composio.dev/toolkits/hlr_lookup/framework/chatgpt) - [Claude Cowork](https://composio.dev/toolkits/hlr_lookup/framework/claude-cowork) - [Hermes](https://composio.dev/toolkits/hlr_lookup/framework/hermes-agent) ## Related Toolkits - [Supabase](https://composio.dev/toolkits/supabase) - Supabase is an open-source backend platform offering scalable Postgres databases, authentication, storage, and real-time APIs. It lets developers build modern apps without managing infrastructure. - [Codeinterpreter](https://composio.dev/toolkits/codeinterpreter) - Codeinterpreter is a Python-based coding environment with built-in data analysis and visualization. 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It makes it easy for teams to organize data and automate workflows without writing code. ## Frequently Asked Questions ### What are the differences in Tool Router MCP and HLR Lookup MCP? With a standalone HLR Lookup MCP server, the agents and LLMs can only access a fixed set of HLR Lookup tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from HLR Lookup and many other apps based on the task at hand, all through a single MCP endpoint. ### Can I use Tool Router MCP with Atomic Agent? Yes, you can. Atomic Agent fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right HLR Lookup tools. ### Can I manage the permissions and scopes for HLR Lookup while using Tool Router? Yes, absolutely. You can configure which HLR Lookup scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do. ### How safe is my data with Composio Tool Router? All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your HLR Lookup data and credentials are handled as safely as possible. --- [See all toolkits](https://composio.dev/toolkits) ยท [Composio docs](https://docs.composio.dev/llms.txt)