OpenSDR MCP

Open-source AI SDR for Claude and any MCP client. It finds prospects, verifies emails, spots buying signals, drafts grounded outreach, and stages campaigns in CRM tools like Instantly and HubSpot using the user's own API keys.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by arif-js

Vendor documentation

What you can do with it

Find prospects matching ideal customer profile
Verify work emails using cost-aware waterfall
Spot buying signals like funding or hiring
Stage campaigns in Instantly and HubSpot

Source and maintenance

Community listingRegistry 1.0.1MIT

mcp-registry: io.github.arif-js/opensdr-mcp@1.0.1 Source repository

Last repository push: Oct 20, 2026, 11:36 AM UTC
Latest release: v1.0.1
Maintenance checked: Nov 2, 2026, 5:41 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

opensdr-mcp 1.0.1

npm

opensdr-mcp package definition

{
  "version": "1.0.1",
  "transport": "stdio",
  "identifier": "opensdr-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "APOLLO_API_KEY",
      "format": "string",
      "description": "Apollo API key for people/company search and enrichment (optional)"
    },
    {
      "name": "HUNTER_API_KEY",
      "format": "string",
      "description": "Hunter API key for email finding and verification (optional)"
    },
    {
      "name": "EXA_API_KEY",
      "format": "string",
      "description": "Exa API key for buying signals and account research (optional)"
    },
    {
      "name": "TAVILY_API_KEY",
      "format": "string",
      "description": "Tavily API key, an alternative to Exa for signals and research (optional)"
    },
    {
      "name": "INSTANTLY_API_KEY",
      "format": "string",
      "description": "Instantly API v2 key for draft campaigns and lead enrollment (optional)"
    },
    {
      "name": "HUBSPOT_ACCESS_TOKEN",
      "format": "string",
      "description": "HubSpot private-app token for contact sync (optional)"
    },
    {
      "name": "OPENSDR_READ_ONLY",
      "format": "string",
      "default": "0",
      "description": "Set to 1 to disable every tool that writes to an external service"
    },
    {
      "name": "OPENSDR_MAX_CREDITS_PER_CALL",
      "format": "number",
      "default": "25",
      "description": "Hard cap on estimated paid provider credits per tool call"
    },
    {
      "name": "OPENSDR_DATA_DIR",
      "format": "string",
      "description": "Local data directory for lists, cache and suppression list (default ~/.opensdr)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 2, 2026, 5:41 PM UTC · repository · passed · metadata changed · updated
Nov 2, 2026, 5:41 PM UTC · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "opensdr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "opensdr-mcp@1.0.1"
      ],
      "env": {
        "APOLLO_API_KEY": "<YOUR_APOLLO_API_KEY>",
        "HUNTER_API_KEY": "<YOUR_HUNTER_API_KEY>",
        "EXA_API_KEY": "<YOUR_EXA_API_KEY>",
        "TAVILY_API_KEY": "<YOUR_TAVILY_API_KEY>",
        "INSTANTLY_API_KEY": "<YOUR_INSTANTLY_API_KEY>",
        "HUBSPOT_ACCESS_TOKEN": "<YOUR_HUBSPOT_ACCESS_TOKEN>",
        "OPENSDR_READ_ONLY": "<YOUR_OPENSDR_READ_ONLY>",
        "OPENSDR_MAX_CREDITS_PER_CALL": "<YOUR_OPENSDR_MAX_CREDITS_PER_CALL>",
        "OPENSDR_DATA_DIR": "<YOUR_OPENSDR_DATA_DIR>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "opensdr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "opensdr-mcp@1.0.1"
      ],
      "env": {
        "APOLLO_API_KEY": "<YOUR_APOLLO_API_KEY>",
        "HUNTER_API_KEY": "<YOUR_HUNTER_API_KEY>",
        "EXA_API_KEY": "<YOUR_EXA_API_KEY>",
        "TAVILY_API_KEY": "<YOUR_TAVILY_API_KEY>",
        "INSTANTLY_API_KEY": "<YOUR_INSTANTLY_API_KEY>",
        "HUBSPOT_ACCESS_TOKEN": "<YOUR_HUBSPOT_ACCESS_TOKEN>",
        "OPENSDR_READ_ONLY": "<YOUR_OPENSDR_READ_ONLY>",
        "OPENSDR_MAX_CREDITS_PER_CALL": "<YOUR_OPENSDR_MAX_CREDITS_PER_CALL>",
        "OPENSDR_DATA_DIR": "<YOUR_OPENSDR_DATA_DIR>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "opensdr-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "opensdr-mcp@1.0.1"
      ],
      "env": {
        "APOLLO_API_KEY": "<YOUR_APOLLO_API_KEY>",
        "HUNTER_API_KEY": "<YOUR_HUNTER_API_KEY>",
        "EXA_API_KEY": "<YOUR_EXA_API_KEY>",
        "TAVILY_API_KEY": "<YOUR_TAVILY_API_KEY>",
        "INSTANTLY_API_KEY": "<YOUR_INSTANTLY_API_KEY>",
        "HUBSPOT_ACCESS_TOKEN": "<YOUR_HUBSPOT_ACCESS_TOKEN>",
        "OPENSDR_READ_ONLY": "<YOUR_OPENSDR_READ_ONLY>",
        "OPENSDR_MAX_CREDITS_PER_CALL": "<YOUR_OPENSDR_MAX_CREDITS_PER_CALL>",
        "OPENSDR_DATA_DIR": "<YOUR_OPENSDR_DATA_DIR>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "opensdr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "opensdr-mcp@1.0.1"
      ],
      "env": {
        "APOLLO_API_KEY": "<YOUR_APOLLO_API_KEY>",
        "HUNTER_API_KEY": "<YOUR_HUNTER_API_KEY>",
        "EXA_API_KEY": "<YOUR_EXA_API_KEY>",
        "TAVILY_API_KEY": "<YOUR_TAVILY_API_KEY>",
        "INSTANTLY_API_KEY": "<YOUR_INSTANTLY_API_KEY>",
        "HUBSPOT_ACCESS_TOKEN": "<YOUR_HUBSPOT_ACCESS_TOKEN>",
        "OPENSDR_READ_ONLY": "<YOUR_OPENSDR_READ_ONLY>",
        "OPENSDR_MAX_CREDITS_PER_CALL": "<YOUR_OPENSDR_MAX_CREDITS_PER_CALL>",
        "OPENSDR_DATA_DIR": "<YOUR_OPENSDR_DATA_DIR>"
      }
    }
  }
}

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