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You can access a variety of tools in Agent Builder. Use built-in tools to give your agents access to email, calendars, chat, project management, code hosting, spreadsheets/BI, search, social, and general web utilities.
Google, Slack, Linear, GitHub, and LinkedIn use OAuth. Exa, Tavily, Pylon, and Twitter/X use workspace secrets (API keys).

Gmail

Read and send email
  • Read emails (optionally include body, filter with search)
  • Send email or reply to an existing message
  • Create draft emails
  • Mark messages as read
  • Get a conversation thread
  • Apply or create labels
  • List mailbox labels

Google Calendar

Manage events
  • List events for a date
  • Get event details
  • Create new events

Google Sheets

Spreadsheets
  • Create spreadsheets
  • Read ranges

BigQuery

Analytics
  • Execute SQL queries

Slack

Send and read messages
  • Send a direct message to a user
  • Post a message to a channel
  • Reply in a thread
  • Read channel history
  • Read thread messages

LinkedIn

Post to profile
  • Publish a post with optional image or link

Twitter/X

  • Read a tweet by ID
  • Read recent posts from a list

GitHub

PRs, issues, and content
  • List pull requests
  • Get pull request details
  • Create issues and pull requests
  • Comment on issues and pull requests
  • Read repository files and list directories

Linear

Manage issues and teams
  • List teams and team members
  • List issues with filters
  • Get issue details
  • Create, update, or delete issues

Pylon

Issue management
  • List issues
  • Get issue details
  • Update issues

Search

  • Exa web search (optionally fetch page contents)
  • Exa LinkedIn profile search
  • Tavily web search

Web utilities

  • Read webpage text content
  • Extract image URLs and metadata
  • Notify user (for confirmations/updates)
You can also connect to remote MCP servers to give your agents access to additional tools. See Remote MCP servers for more information.

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Disconnect a tool

To remove a tool from your agent:
1

Open Agent settings

In the LangSmith UI, hover over My Agents in the left sidebar and click the settings icon.
2

Find the integration

In the integrations section, locate the connected app you want to remove.
3

Disconnect

Click Disconnect for that integration.
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