In-depth architectural comparison of the Clio MCP and Registly 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
Registly
Legal · Remote HTTP/SSE
Quality: 56/100 (Good) | Auth: No auth required
Verdict Summary: Choose Clio MCP if you need specialized Legal tools running via a local process. Choose Registly 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).
Connect Claude to Clio with 15 tools for matters, contacts, tasks, billing, and more.
Official company-registry document procurement (UK Companies House, Delaware, ADGM). Agents quote, submit a reviewed order, then pay the confirmed total over Stripe MPP (HTTP 402). Agent card: https://registly.app/.well-known/agent-card.json
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, Registly belongs to Legal using remote streaming HTTP/SSE transport. Select Clio MCP when you need capabilities focused on legal and Registly 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
+25 more tools listed on main page
Registly Tools (4)
list_document_catalog
List official company documents currently available through Registly, including jurisdictions, indicative prices, requirements, and delivery windows.
quote_document
Generate a no-charge pilot estimate for an official company document. Final registry fees and authority requirements are confirmed before payment.
create_pilot_order
Submit an official document order for registry review. The operation is retry-safe when idempotency_key is supplied, and no payment is taken at this stage.
get_order_payment_instructions
Read an order's reviewed payment state and Stripe MPP endpoint. When payment is ready, call the returned URL over HTTP and answer its 402 Payment challenge.