Best Claude Apps

Seamless Claude connector

Find leads and automate outreach

Add Seamless to Claude

Add to Claude
URL https://mcp.seamless.ai/mcp
$ claude mcp add --transport http seamless https://mcp.seamless.ai/mcp

Needs a Seamless account All setup steps

Seamless in Claude at a glance

Reads
21 tools
Campaigns, campaign steps, email drafts and 16 more
Creates & edits
24 tools
Campaigns, campaign steps, email drafts and 11 more
Deletes
7 tools
Campaigns, campaign steps, lists and 4 more
Acts as
Your account
Claude works through your own Seamless sign-in

Counts come from the tool names in the official listing. See every tool

How a request travels Illustration, not a screenshot

  1. 1 · You ask

    “Find Seamless companies about [a topic].”

  2. 2 · Claude calls

    search_companies

    Finds companies that match what you ask for

  3. 3 · Server runs it

    mcp.seamless.ai

    As your Seamless account

  4. 4 · Answer

    Reply in the chat

    Write tools can be set to ask you first

The prompt is our example and the tool is one from Seamless’s list. Claude chooses tools itself, so real calls can differ.

Works in Claude on the web Claude Desktop Claude mobile apps Claude Code Other remote MCP clients

How to add Seamless to Claude

Seamless docs

Claude app web · desktop · mobile

  1. 1 Click Add to Claude or open Settings → Connectors and search for Seamless.
  2. 2 Click Connect. Sign in to Seamless and approve access.
  3. 3 In a chat, check Seamless is on in the tools menu under the message box. Then ask.

On Team and Enterprise plans an owner may need to allow it first.

Claude Code terminal

  1. 1
    Add the server: 
    claude mcp add --transport http seamless https://mcp.seamless.ai/mcp
    Add --scope user to use it in every project.
  2. 2 Run /mcp, pick seamless and sign in.
  3. 3 Check with claude mcp list.

Custom connector or any MCP client

In Claude: Settings → Connectors → Add custom connector. Other clients that support remote (streamable HTTP) servers take the same URL.

Seamless MCP server URL

https://mcp.seamless.ai/mcp

Seamless MCP tools

54

21 read, 24 write, 7 delete, 2 unclear. The official listing gives tool names only, so the text beside each name is our summary of it, not the developer’s wording.

  • Campaigns 5 tools

    • list_campaigns Pulls up a list of campaigns (our summary)
    • clone_campaign Writes Makes a copy of a campaign (our summary)
    • create_campaign Writes Adds a new campaign (our summary)
    • delete_campaign Deletes Deletes a campaign (our summary)
    • update_campaign Writes Edits an existing campaign (our summary)

  • Campaign steps 4 tools

    • list_campaign_steps Pulls up a list of campaign steps (our summary)
    • create_campaign_step Writes Adds a new campaign step (our summary)
    • delete_campaign_step Deletes Deletes a campaign step (our summary)
    • update_campaign_step Writes Edits an existing campaign step (our summary)
Show 26 more groups · 45 tools, 26 that change data · email drafts, lists, saved searches, tasks, templates, contacts campaigns, emails, bulk emails, calls, campaign actions, campaign step actions, research companies, research contacts, task actions, companies, contacts, activity feeds, call dispositions, call sentiments, campaign contacts, campaign metrics, company researches, contact researches, credits, email accounts, email footers

  • Email drafts 4 tools

    • get_email_draft Opens one email draft with its details (our summary)
    • create_email_draft Writes Adds a new email draft (our summary)
    • send_email_draft Writes Sends an email draft (our summary)
    • update_email_draft Writes Edits an existing email draft (our summary)

  • Lists 4 tools

    • get_lists Pulls up a list of lists (our summary)
    • create_list Writes Adds a new list (our summary)
    • delete_list Deletes Deletes a list (our summary)
    • update_list Writes Edits an existing list (our summary)

  • Saved searches 4 tools

    • list_saved_searches Pulls up a list of saved searches (our summary)
    • create_saved_search Writes Adds a new saved search (our summary)
    • delete_saved_search Deletes Deletes a saved search (our summary)
    • update_saved_search Writes Edits an existing saved search (our summary)

  • Tasks 4 tools

    • list_tasks Pulls up a list of tasks (our summary)
    • create_task Writes Adds a new task (our summary)
    • delete_task Deletes Deletes a task (our summary)
    • update_task Writes Edits an existing task (our summary)

  • Templates 4 tools

    • list_templates Pulls up a list of templates (our summary)
    • create_template Writes Adds a new template (our summary)
    • delete_template Deletes Deletes a template (our summary)
    • update_template Writes Edits an existing template (our summary)

  • Contacts campaigns 2 tools

    • No read tools
    • add_contacts_to_campaign Writes Adds a new contacts campaign (our summary)
    • remove_contacts_from_campaign Deletes Deletes a contacts campaign (our summary)

  • Emails 2 tools

    • No read tools
    • send_email Writes Sends an email (our summary)
    • send_email_preview Writes Sends an email (our summary)

  • Bulk emails 1 tool

    • No read tools
    • send_bulk_email Writes Sends a bulk email (our summary)

  • Calls 1 tool

    • No read tools
    • log_call Writes Logs a call (our summary)

  • Campaign actions 1 tool

    • No read tools
    • execute_campaign_action Writes Executes a campaign action (our summary)

  • Campaign step actions 1 tool

    • No read tools
    • execute_campaign_step_action Writes Executes a campaign step action (our summary)

  • Research companies 1 tool

    • No read tools
    • research_companies Unclear

  • Research contacts 1 tool

    • No read tools
    • research_contacts Unclear

  • Task actions 1 tool

    • No read tools
    • execute_task_action Writes Executes a task action (our summary)

  • Companies 2 tools

    • get_my_companies Pulls up your companies (our summary)
    • search_companies Finds companies that match what you ask for (our summary)
    • None

  • Contacts 2 tools

    • get_my_contacts Pulls up your contacts (our summary)
    • search_contacts Finds contacts that match what you ask for (our summary)
    • None

  • Activity feeds 1 tool

    • get_activity_feed Opens one activity feed with its details (our summary)
    • None

  • Call dispositions 1 tool

    • list_call_dispositions Pulls up a list of call dispositions (our summary)
    • None

  • Call sentiments 1 tool

    • list_call_sentiments Pulls up a list of call sentiments (our summary)
    • None

  • Campaign contacts 1 tool

    • list_campaign_contacts Pulls up a list of campaign contacts (our summary)
    • None

  • Campaign metrics 1 tool

    • get_campaign_metrics Pulls up a list of campaign metrics (our summary)
    • None

  • Company researches 1 tool

    • poll_company_research Polls a company research (our summary)
    • None

  • Contact researches 1 tool

    • poll_contact_research Polls a contact research (our summary)
    • None

  • Credits 1 tool

    • get_credits Pulls up a list of credits (our summary)
    • None

  • Email accounts 1 tool

    • list_email_accounts Pulls up a list of email accounts (our summary)
    • None

  • Email footers 1 tool

    • list_email_footers Pulls up a list of email footers (our summary)
    • None

Read or write is our reading of each name. List checked 2026-10-20; developers can change tools at any time.

Things to ask Claude with Seamless

Our suggestions, one for each kind of tool Seamless offers. Not from Seamless or Anthropic. Fill in the [brackets].

  • Find Seamless companies about [a topic].

    uses search_companies

  • Create a Seamless campaign for [what it is about].

    uses create_campaign

  • Update the Seamless campaign [name or link]: [what to change].

    uses update_campaign

  • Turn these notes into Seamless campaigns, one per action item: [paste notes].

    uses create_campaign

  • Open the Seamless email draft [name or link] and give me the key points.

    uses get_email_draft

  • Create a Seamless campaign step for [what it is about].

    uses create_campaign_step

Security and access

Where requests go, whose account Claude uses, and what you control.

Server

mcp.seamless.ai

On the developer’s own domain (seamless.ai), not a third-party host. Claude sends requests here when it uses a tool.

Account

Your own Seamless account

You sign in when you connect. Claude works through that account, so it reaches what the account can reach.

Control

You approve write tools

In Claude’s connector settings you can choose, tool by tool, whether Claude must ask before using it. Write tools are marked in the list above. See write tools

Policy

Privacy policy

Published by Seamless and linked from the official listing. Read it ↗

Anthropic’s directory notes that it does not control which tools a developer exposes and cannot guarantee they work as intended or stay the same. Connect connectors you trust.

Reviews

No reviews yet. Used Seamless with Claude? Tell others how it went.

Honest reviews only. We never pay for or edit ratings.

    Questions people ask

    What does the Seamless connector do in Claude?

    Your entire sales pipeline, running inside Claude. Seamless.ai connects prospecting, outreach, and campaign management for B2B companies.

    Is the Seamless connector official?

    It is made by Seamless and carries the Anthropic verified mark in Anthropic’s directory. This site is independent and lists it from the official directory.

    What is the Seamless MCP server URL?

    https://mcp.seamless.ai/mcp. It is a remote MCP server hosted at mcp.seamless.ai. Paste it into Claude as a custom connector, or add it to Claude Code with: claude mcp add --transport http seamless https://mcp.seamless.ai/mcp

    How do I add Seamless to Claude Code?

    Run "claude mcp add --transport http seamless https://mcp.seamless.ai/mcp" in your terminal, then start Claude Code, type /mcp, choose seamless and sign in to Seamless. Add "--scope user" to make it available in every project.

    Do I need a Seamless account?

    Yes. You sign in to Seamless when you connect it, and Claude works through that account.

    Can Claude change or delete my Seamless data?

    Judging by tool names, 31 of its 54 tools can change data, including 7 that delete or remove things. The other 21 only read. In Claude you can choose, per tool, whether Claude must ask before using it.

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