Kesslerio Attio MCP server

What it does

An MCP server that connects AI assistants to Attio CRM, exposing tools to search, create, update, and delete contacts, companies, deals, tasks, lists, notes, and records. It is for teams using Attio who want to automate CRM workflows through natural language commands in Claude or ChatGPT.

• Search for companies matching specific criteria and add them to outreach lists without manual filtering.
• Create and update deals, tasks, and notes across your pipeline using conversational commands.
• Batch manage contacts and companies, including relationship navigation between people and their associated organizations.

Tools this server exposes

Tool	Does
search_records	Search for any record type (companies, people, deals, tasks, lists, notes) in your Attio workspace.
search_records_advanced	Perform advanced filtered searches across record types with sophisticated query capabilities.
search_records_by_relationship	Find records through bidirectional relationships (company-to-person, person-to-deal, etc.).
search_records_by_content	Search notes, tasks, and lists for specific content or activity.
search_records_by_timeframe	Find records created or modified within a specific time period.
create_records	Create one or more new records of any type in Attio.
create_company	Create a new company record with intelligent field mapping.
create_deal	Create a new deal with stage validation and field mapping.
update_records	Update one or more existing records across any resource type.
update_company	Update an existing company record.
update_deal	Update an existing deal with intelligent field mapping and stage validation.
delete_records	Delete one or more records from Attio.
batch_records	Perform batch create, update, or delete operations with chunking and error handling.
get_record_info	Retrieve detailed information about a specific record including contact, business, and social data.
get_list_entries	Retrieve entries from a specific list.
filter_list_entries	Filter list entries using unified filtering with multiple modes.
manage_list_entry	Add, update, or remove entries from lists.
get_record_list_memberships	Find which lists a record belongs to.

Before you enable it

An MCP server runs with whatever access you give it. Start with a development account rather than production, and check which tools the server exposes before you let an agent call them unattended.