In-depth architectural comparison of the Clio MCP and The Company Atlas MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Clio MCP
Legal · Local stdio
Quality: 57/100 (Good) | Auth: No auth required
The Company Atlas
Legal · Remote HTTP/SSE
Quality: 49/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Clio MCP if you need specialized Legal tools running via a local process. Choose The Company Atlas if your workspace requires Legal integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Clio MCP when:
You need dedicated capabilities in the Legal domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Opens your browser to Clio's login page and stores your credentials securely
auth_status
Shows whether you are currently authenticated and when your session expires
logout
Clears your stored credentials from this machine
list_matters
Lists matters with optional status filter, including custom field values; returns a paginated envelope with `total_count`, `has_more`, and `next_page_token
get_matter
Returns full detail for a specific matter, including its Maildrop forwarding address and custom field values
create_matter
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Clio MCP is categorized under Legal and uses a local stdio subprocess. In contrast, The Company Atlas belongs to Legal using remote streaming HTTP/SSE transport. Select Clio MCP when you need capabilities focused on legal and The Company Atlas when you require tools for legal.
Creates a new matter; status defaults to Open, billable defaults to true
update_matter
Updates one or more fields on an existing matter, including its stage and custom field values
list_custom_fields
Lists the account's custom field definitions with their types, and for picklist fields their allowed options. Call this before reading or writing custom fields
create_custom_field
Creates a new custom field definition. Use the returned `id` as `custom_field_id` in `create_matter` / `update_matter` to set its value
list_matter_stages
Lists the account's matter stages (Pre-Suit, Discovery, Settlement and so on) grouped by practice area and in pipeline order. Call this before setting `matter_stage_id`. Clio can attach workflows and task lists to a stage; whether an API-driven stage change fires them is not verified, so confirm on…
search_contacts
Searches contacts by name, email, or company; returns a paginated envelope with `total_count`, `has_more`, and `next_page_token`; pass the token back to fetch the next page
get_contact
Returns full detail for a specific contact including all emails, phone numbers, addresses, and custom field values
+24 more tools listed on main page
The Company Atlas Tools (8)
Trade_search_trades
Paginated customs shipment search — filter by HS code, buyer, seller, ports, value, date range, and country
Trade_company_trade_volume_by_year
Rank companies by declared trade value and line counts per calendar year, with optional HS and country filters
Trade_hs_code_breakdown
For one company, aggregate import and export value by HS code prefix (chapter, heading, or subheading)
Trade_year_country_breakdown
For one company, aggregate trade value by year and counterparty country
Trade_partner_breakdown
For one company, aggregate trade value by year and matched counterparty company
Company_search
Search the global company registry by name or id, with optional country filter
Company_extended_search
Advanced search with filters on industry, capital, incorporation date, address, and more