Skip to main content

Announcing StackOne Defender: leading open-source prompt injection guard for your agent • Read More →

Connect

Connectors Agent Auth MCP Connector Builder

Optimize

Tool Discovery Falcon Engine

Secure

Defender
Connectors

HRIS / HCM

Employee Onboarding Employee Offboarding

Recruiting

Application Screening Interview Scheduling

Customer Support

Ticket Triage Voice Call Summarization

Sales & CRM

Deal Risk Scoring Lead Qualification

Accounting & Finance

Invoice Processing Month-End Accruals

Marketing

Campaign Reports Lead Nurture Sequences
View all use cases

Developers

Docs Changelog Status

Learn

Blog Case Studies Events Partners
Pricing
Login Book Demo Start Free

Salesloft MCP Server
for AI Agents

Production-ready Salesloft MCP server with 39 extensible actions — plus built-in authentication, security, and optimized execution.

Start Free Book Demo Read Docs →
Salesloft logo
Salesloft MCP Server
Built by StackOne StackOne

Coverage

39 Agent Actions

Create, read, update, and delete across Salesloft — and extend your agent's capabilities with custom actions.

MCP Actions → Create Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your Salesloft MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every Salesloft tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Salesloft call.

Tools Discovery →

What is the Salesloft MCP Server?

A Salesloft MCP server lets AI agents read and write Salesloft data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Salesloft MCP server ships with 39 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All Salesloft MCP Tools and Actions

Every action from Salesloft's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

An Accounts

  • Create An Account

    Create an account

  • Update An Account

    Update an account

  • Delete An Account

    Delete an account

A Persons

  • Create A Person

    Create a person

  • Update A Person

    Update a person

  • Delete A Person

    Delete a person

A Tasks

  • Create A Task

    Create a task

  • Update A Task

    Update a task

  • Delete A Task

    Delete a task

A Notes

  • Create A Note

    Create a note

  • Update A Note

    Update a note

  • Delete A Note

    Delete a note

An Email Templates

  • Create An Email Template

    Create an email template

  • Update An Email Template

    Update an email template

A Person Stages

  • Create A Person Stage

    Create a person stage

  • Update A Person Stage

    Update a person stage

  • Delete A Person Stage

    Delete a person stage

Other (22)

  • Create A Cadence Import

    Create a cadence import

  • Create A Call

    Create a call

  • List Accounts

    List accounts

  • List People

    List people

  • List Users

    List users

  • List Cadences

    List cadences

  • List Cadence Memberships

    List cadence memberships

  • List Tasks

    List tasks

  • List Notes

    List notes

  • List Email Templates

    List email templates

  • List Calls

    List calls

  • List Person Stages

    List person stages

  • List Activity Histories

    List activity histories

  • Fetch Current User

    Fetch authenticated user information

  • Fetch An Account

    Fetch a single account

  • Fetch A Person

    Fetch a single person

  • Fetch A Cadence

    Fetch a specific cadence

  • Fetch A Task

    Fetch a task

  • Fetch A Note

    Fetch a note

  • Fetch An Email Template

    Fetch an email template

  • Fetch A Call

    Fetch a call

  • Fetch A Person Stage

    Fetch a person stage

Set Up Your Salesloft MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to Salesloft in under 10 lines of code.

MCP Clients

Agent Frameworks

Claude Desktop
{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

More Sales MCP Servers

Lemlist

60+ actions

Apollo

45+ actions

Amplemarket

43+ actions

Gong

34+ actions

Reo.dev

8+ actions

All Sales MCP Servers →

Salesloft MCP Server Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

Salesloft MCP Server FAQ

Salesloft MCP server vs direct API integration — what's the difference?
A Salesloft MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Salesloft. A Salesloft MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Salesloft at runtime. StackOne provides both.
How does Salesloft authentication work for AI agents?
Salesloft authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Salesloft account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.
Are Salesloft MCP tools vulnerable to prompt injection?
Yes — Salesloft MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Salesloft agent and how do I avoid it?
Context bloat happens when Salesloft tool schemas and API responses eat your Salesloft agent's memory, preventing it from reasoning effectively. A single Salesloft query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Salesloft agent can access?
Yes — you can limit which actions your Salesloft agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Salesloft MCP server?
Yes — you can create custom agent actions for your Salesloft MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Salesloft's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Salesloft MCP server?
Skip a Salesloft MCP server if your integration is purely software-to-software — direct Salesloft API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Salesloft actions at runtime.
What AI frameworks and AI clients does the StackOne Salesloft MCP server support?
The StackOne Salesloft MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

Start Free Book Demo