Lumenbase for Claude

Reference

Lumenbase MCP tools

Every tool the server at https://lumenbase.io/api/mcp offers, generated from the live catalog. Your client shows this list narrowed by your role, plan and approved access.

Tiago Ferreira
Tiago F.
Writer

Which tools does the Lumenbase MCP server offer?

112 tools in four groups: 42 that read records, email, meetings and settings; 26 that create and update records; 4 that send messages from your own accounts; and 40 that delete records.

All tools

Read (42)

Look things up. Never changes anything.

Read tools
Check remote outreach status
check_outreach_status
Check the delivery status of a queued remote outreach command (LinkedIn message queued via MCP/agent).
Check an email campaign audience
email_campaign_audience_health
Check the audience of one Email Campaign before it is sent: how many contacts in its lists will receive it, and how many are left out and why (unsubscribed, suppressed, not subscribed or unknown consent, invalid or missing email, duplicate address, missing merge data, manually excluded).
Read a contact's email campaign history
email_campaign_contact_history
How one contact has engaged with Email Campaigns (marketing newsletters): each campaign they were sent, newest first, with when it was sent, its delivery status, and whether they opened, clicked, replied or unsubscribed.
Read email campaign results
email_campaign_results
Read Email Campaigns (marketing newsletters sent to lists) and how they performed: status, recipients, sent, delivered, opened (unique people and all opens), clicked, bounced, unsubscribed, failed, and when each was sent.
List activities
fetch_activities
Fetch activities from the CRM with optional filters.
List files (artifacts)
fetch_artifacts
Fetch artifacts (files) from the workspace file hub.
Find Routine steps and read their settings
fetch_automation_options
Routine building blocks. search: step ids. operation: one step id's settings (entity: trigger record).
Read a saved chart
fetch_charts
Read a chart that already exists in Analytics: how it is defined, and the numbers it is currently drawing.
List companies
fetch_companies
Fetch companies from the CRM with optional filters.
Read verified contact event roles
fetch_contact_event_roles
Read verified public speaker/host roles for an exact visible CRM contact, including historical events.
List contacts
fetch_contacts
Fetch contacts from the CRM with optional filters.
Read contract summaries
fetch_contract_summaries
Fetch the short summary and key terms (parties, value, dates, renewal, notice, governing law, obligations) of contracts sent for signature.
List deals
fetch_deals
Fetch deals from the CRM with optional filters.
Find contacts that matter at industry events
fetch_event_contacts
Find which of the user's contacts matter at upcoming industry events (Roadshows), in two lists. "At the event": contacts who speak there or work at a sponsor or exhibitor, from anywhere. "Worth inviting": contacts within 50 km whose company is in the event's industry and who had a conversation, open deal, open task, sequence or Routine in the last 6 months.
List invoices
fetch_invoices
Fetch invoices from the CRM with optional filters.
Search knowledge base
fetch_kb
Search the Lumenbase Help Center; returns the article sections that match.
Search company knowledge
fetch_knowledge
Hybrid keyword and semantic search over the workspace's OWN indexed company knowledge (product docs, pricing pages, case studies, manual notes).
Discover company knowledge
fetch_knowledge_catalog
Discover readable company-knowledge collections and source navigation briefs.
Read knowledge source
fetch_knowledge_source
Read ONE indexed knowledge source in depth: its full summary plus content passages.
List LinkedIn extension imports
fetch_linkedin_imports
Fetch CRM contacts imported via the Lumenbase LinkedIn browser extension on a given date or range.
Find LinkedIn warm intro paths
fetch_linkedin_intro_paths
Find which teammates can provide a warm LinkedIn intro to a contact, or list intro paths for contacts at a company.
List contact lists
fetch_lists
Fetch contact lists (segments) in the workspace.
List email conversations
fetch_mail_conversations
List CRM-linked email conversations from the user's synced mailbox.
Read email thread
fetch_mail_thread
Read a bounded email thread page, then follow cursor for older messages or message_id/body_offset/body_revision for omitted body text.
List page blocks
fetch_page_blocks
List a workspace page and its content blocks, including each block's block_key.
List actions waiting for your approval
fetch_pending_approvals
List Lumo actions waiting for approval that the user requested or owns: what each would do, the record it is about, and when it expires.
List project items
fetch_project_items
Fetch items (cards) inside Projects: tasks, requests, bugs, and ideas.
List projects
fetch_projects
Fetch Projects in the workspace (e.g. Simple Project, Feature Requests, Customer Project).
List quiet or stalled deals
fetch_quiet_deals
Find open deals with no recent communication touch (email, call, meeting, LinkedIn message).
List recent meetings and who attended
fetch_recent_meetings
List the meetings the user has just had (their own calendar events and recorded meetings, last 48 hours by default), with every attendee resolved to a CRM contact and company where one exists, or marked as an unmatched guest or a colleague.
Discover record fields
fetch_record_fields
Discover exactly which native and custom fields Lumo can edit for an entity in this workspace.
List revenue at risk
fetch_revenue_at_risk
Fetch Revenue at Risk (RAR) entries: exposed revenue and likelihood by company for forecast and churn tracking.
Read settings and configuration
fetch_settings
Read settings, or diagnose website tracking and email sender/DNS setup with section. website_tracking requires inbound.view and returns the collection switch, Marketing suite gate, allowed domains, consent mode, last event and sampled refusals; it cannot inspect the installed tag or consent manager. email_campaign_sending requires campaign or workspace settings management and returns stored domain/record status and sender identities, without a provider recheck or changes.
List tasks
fetch_tasks
Fetch tasks from the CRM with optional filters.
List upcoming meetings
fetch_upcoming_meetings
List upcoming calendar meetings synced to the CRM.
List workspace members
fetch_workspace_members
List current workspace members and pending invitations.
Read workspace setup
fetch_workspace_setup
Read workspace core configuration: deal and Lead pipelines/stages, allowed settings, inbound defaults and each form override/effective journey, teams and eligible members.
Read your learned writing style
fetch_writing_style
Read the logged-in user's analyzed writing style for the current workspace, learned only from mail they sent in this workspace: core tone description, channel notes, and up to five real examples per channel (only examples the user may already see through the mail tools).
Get calendar availability
get_calendar_availability
Get free/busy times and suggested open slots from the user's connected calendar (Google or Outlook).
Get funnel overview
get_funnel_overview
Get a compact overview of the workspace sales funnel (Active Lists to Leads to Deals to Accounts) with summary counts, per-stage breakdowns including empty stages/columns, active list details, and server-computed focus areas.
Get daily briefing
get_today_briefing
Structured daily briefing for the workspace, drawn from the Feed: contacts to reach, open deals, and overdue tasks.
Query permitted workspace knowledge
query_core_v2
Read permitted workspace data through Query Core.

Write (26)

Create and update records in your workspace.

Write tools
Add page block
add_page_block
Add a content block to a page.
Add contact to list
add_to_list
Add one or more contacts to a list.
Attach file to record
attach_file_to_entity
Attach a file to a contact, company, or deal timeline (same as uploading on the entity timeline).
Comment on project item
comment_on_project_item
Add a comment to a project item.
Create a draft Routine
create_automation
Create a Routine as a DRAFT: one trigger, then steps in order (steps) and/or graph changes (operations: add_node, connect with branch or outcome, as Create with Lumo makes them).
Create company
create_company
Create a new company in the CRM.
Create contact
create_contact
Create a new contact in the CRM.
Add custom field
create_custom_field
Add a custom field to an entity, like Configure Fields (admin + setup tools enabled).
Create deal
create_deal
Create a new deal in the pipeline.
Create invoice
create_invoice
Create a new invoice.
Create list
create_list
Create a new contact list (segment).
Create page
create_page
Create a new marketing/landing Page in the workspace (the same Pages the visual page editor manages).
Create project
create_project
Create a new Project board (a workspace for tasks, requests, bugs or ideas).
Create project item
create_project_item
Create an item (card) inside a Project: a task, request, bug, or idea.
Create revenue at risk
create_revenue_at_risk
Create a Revenue at Risk (RAR) row for a company: exposed revenue and likelihood for forecast / churn tracking.
Create task
create_task
Create a CRM to-do or reminder (follow-up, call prep, etc.).
Draft an email campaign
draft_email_campaign
Create a DRAFT Email Campaign (a marketing email to one or more contact lists).
Enrich company
enrich_company
Apply company field values you ALREADY HAVE (description, social links, industry, size), sourced from the company's own site or a cited web search.
Enrich contact
enrich_contact
Apply contact values a connected enrichment provider ALREADY REPORTED (email, phone, title, LinkedIn, country, location), to confirm a pending enrich_contact proposal.
Invite team member
invite_team_member
Invite a new team member to the workspace by email.
Log activity note
log_activity_note
Log a note/activity on a contact, company, or deal timeline.
Propose duplicate merge
propose_merge
Propose merging a likely duplicate record into another (same entity type).
Restore deleted records
restore_record
Restore deleted records from the trash (workspace admins only).
Research company
run_company_research
Research ONE company on the public web: news, leadership, competitors, open roles, events and tech stack.
Run enrichment providers
run_enrichment
Run the workspace's connected enrichment providers against ONE contact or company to FIND missing details.
Schedule meeting
schedule_meeting
Schedule a calendar meeting via the user's connected Google or Outlook calendar.

Send (4)

Send a message from your own accounts to someone outside the workspace.

Send tools
Propose meeting times
propose_meeting_times
Propose a meeting when no time has been agreed yet: sends the contact a contextual message offering up to three times that are genuinely open on the user's calendar, inside the user's own working hours, and always carrying the user's booking link so the contact can pick something else.
Send email
send_email
Draft and send an email to a contact from the user's connected mailbox (Gmail, Outlook, or SMTP).
Send LinkedIn message
send_linkedin_message
Send or queue a LinkedIn direct message to a contact.
Send WhatsApp message
send_whatsapp_message
Send a WhatsApp message to a contact from the workspace's connected WhatsApp number.

Delete (40)

Remove a record for good.

Delete tools
Apply page template
apply_page_template
Adopt a shared Community page template into the workspace, creating a new editable draft page from it (with its blocks).
Complete or reopen task
complete_task
Mark a task as done (or reopen it).
Configure deal pipeline
configure_deal_pipeline
Configure deal pipelines, their stages, stage entry criteria and the stage automation policy (workspace admin + setup tools enabled).
Configure inbound journey
configure_inbound_journey
Configure future inbound submissions: workspace defaults or one form journey.
Configure lead stages
configure_lead_stages
Configure the stages of a Lead pipeline (Leads board columns), their entry criteria and the stage automation policy (workspace admin + setup tools enabled).
Configure team assignment
configure_team_assignment
Set a team assignment strategy or one existing member eligibility.
Delete activity
delete_activity
Permanently delete a timeline activity (e.g. a mistaken note).
Delete company
delete_company
Permanently delete a company.
Delete contact
delete_contact
Permanently delete a contact.
Delete deal
delete_deal
Permanently delete a deal.
Delete invoice
delete_invoice
Permanently delete an invoice.
Delete list
delete_list
Delete a contact list (segment).
Delete revenue at risk
delete_revenue_at_risk
Delete a Revenue at Risk entry.
Delete task
delete_task
Permanently delete a task.
Update activity
edit_activity
Edit an existing timeline activity's title or description (e.g. fix a note).
Update many companies
edit_companies_bulk
Apply ONE set of changes to up to 100 companies with one approval, instead of one edit_company call per company.
Update company
edit_company
Update the company the user requested.
Update contact
edit_contact
Update an existing contact.
Update many contacts
edit_contacts_bulk
Apply ONE set of changes to up to 100 contacts with one approval, instead of one edit_contact call per contact.
Update custom field
edit_custom_field
Set or clear one custom field through the shared reviewed write pipeline.
Update deal
edit_deal
Update the deal the user requested.
Update many deals
edit_deals_bulk
Apply ONE set of changes to up to 100 deals with one approval, instead of one edit_deal call per deal.
Update invoice
edit_invoice
Update an existing invoice.
Update project item
edit_project_item
Update a project item's fields (title, description, status, priority, type, roadmap bucket, decision, or due date).
Update revenue at risk
edit_revenue_at_risk
Update an existing Revenue at Risk entry.
Update task
edit_task
Update an existing task's fields (title, description, type, priority, due date, or assignee).
Update many tasks
edit_tasks_bulk
Apply ONE set of changes to up to 100 tasks with one approval, instead of one edit_task call per task.
Move company on Leads board
move_company_column
Move a company (lead) to a different column on the Leads board.
Publish page
publish_page
Publish a page so it becomes live at its public URL (sets status to published).
Record job change
record_job_change
Record that a contact moved to a different company.
Move or rename file
relocate_artifact
Move an artifact (workspace file) into a folder (or to the top level) and/or rename it.
Remove contact from list
remove_from_list
Remove a contact from a list.
Rename list
rename_list
Rename a contact list.
Reorder page blocks
reorder_page_blocks
Set the order of a page's blocks.
Set page design system
set_page_design_system
Apply a workspace design system (tokens, typography, components) to a page.
Set page password
set_page_password
Enable or disable password protection on this page's public link.
Update page
update_page
Update page-level settings: title, SEO metadata, accent color token, registration toggle, or status.
Update page block
update_page_block
Replace the content of an existing block on a page, identified by its block_key.
Update your personal setting
update_personal_setting
Change a personal setting for the requesting user only.
Update workspace setting
update_workspace_setting
Update an allowed workspace setting (admin + setup tools enabled).

Common questions

The list in your client is narrowed by your role, your plan's data access and the access you approved. Admin tools appear only for admins.

Yes. /mcp/tools.json has the same list as JSON, and MCP clients read it from the server's tools/list.

No. Every call runs as you and is checked again on the server.

Sources and scope

Generated from the Lumenbase MCP tool catalog. Tool descriptions are shortened to their first sentence.

Claude is a trademark of Anthropic. ChatGPT is a trademark of OpenAI. Cursor is a trademark of Anysphere. Lumenbase is not affiliated with, sponsored by or endorsed by these companies.

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