The execution layer - sequencers, parallel dialers, and LinkedIn automation tools that actually put messages and calls in front of prospects. MCP maturity here is split sharply: the big sales-engagement platforms (Salesloft, Outreach, lemlist) and several LinkedIn tools have shipped real official servers in 2026, while most parallel dialers and mid-market cold-email tools have none. 17 of 27 entries in this category are reachable by an agent: 15 through a server the vendor maintains and 2 through one somebody else built. The category is tagged most often with Run an email sequence. See the full category page.
| Tool | MCP status | Server URL | Auth | Gate |
|---|---|---|---|---|
| Autobound autobound.ai | Official MCP | https://www.autobound.ai/integrations/mcp +1 more | API key api key via an AUTOBOUND_API_KEY environment variable in the MCP client config. | Free to start |
| HeyReach heyreach.io | Official MCP | https://www.heyreach.io/mcp +1 more | OAuth or an API key workspace-scoped "MCP key" + connection URL (API-key-style, not OAuth) | Paid, self-serve |
| Instantly instantly.ai | Official MCP | https://mcp.instantly.ai/mcp +1 more | API key api key (generated in Instantly Settings > Integrations > API Keys) | Paid, self-serve |
| La Growth Machine lagrowthmachine.com | Official MCP | https://github.com/LaGrowthMachine/gtm-system +1 more | OAuth OAuth - no API key needed; first use opens a browser sign-in directly to the user's La... | Paid, self-serve |
| lemlist lemlist.com | Official MCP | https://developer.lemlist.com/mcp/setup +1 more | OAuth or an API key OAuth (browser-based PKCE flow, recommended) or API key via X-API-Key header | Paid, self-serve |
| Mixmax mixmax.com | Official MCP | https://mcp.mixmax.com/mcp +2 more | OAuth OAuth 2.0 authorization code flow, scoped to the connecting user's account. Read-only. | Paid, self-serve |
| PhantomBuster phantombuster.com | Official MCP | https://hub.phantombuster.com/docs/mcp-server +1 more | OAuth OAuth - first connection redirects to PhantomBuster sign-in/authorization, then... | Paid, self-serve |
| Reply.io reply.io | Official MCP | https://reply.io/mcp/ | API key api key (personal API key over HTTPS, included in free trial) | Paid, self-serve |
| Salesforge salesforge.ai | Official MCP | https://github.com/SalesforgeAI/forge-mcp | API key api key via HTTP header (X-Salesforge-Key) | Paid, self-serve |
| Super Send supersend.io | Official MCP | https://docs.supersend.io/docs/mcp-server | API key api key, Streamable HTTP transport | Paid, self-serve |
| Waalaxy waalaxy.com | Official MCP | https://docs.waalaxy.com/mcp-server +1 more | OAuth or an API key user-based OAuth 2.1 via magic-link sign-in; vendor docs explicitly state bearer API keys... | Paid, self-serve |
| Woodpecker woodpecker.co | Official MCP | https://developers.woodpecker.co/docs/mcp/ +1 more | OAuth or an API key hosted OAuth-style flow (Claude-specific) or self-hosted Docker setup using a Woodpecker... | Paid, self-serve |
| Apollo.io Sequences (Emailer Campaigns) apollo.io | Official MCP | https://github.com/apolloio/apollo-mcp-plugin +1 more | OAuth OAuth (Apollo.io sign-in/authorization flow; no API key required for this MCP) | Enterprise only |
| Outreach outreach.io | Official MCP | https://api.outreach.io/mcp/ +1 more | OAuth OAuth 2.1 with Dynamic Client Registration; also requires the org-level "Amplify" add-on... | Gate unknown |
| Salesloft salesloft.com | Official MCP | https://www.salesloft.com/company/newsroom/clari-sal... +1 more | OAuth unknown exact flow - vendor press material describes it as natively listed in Claude's... | Gate unknown |
| Overloop overloop.com | Community MCP | https://github.com/sortlist/overloop-mcp | API key api key via OVERLOOP_API_KEY environment variable | Paid, self-serve |
| Smartlead smartlead.ai | Community MCP | https://github.com/LeadMagic/smartlead-mcp-server +1 more | API key api key | Paid, self-serve |
No server found, or the check could not settle it. Same category, not reachable by an agent today.
| Tool | MCP status | Gate | Checked |
|---|---|---|---|
| Groove groove.co | MCP unknown | Gate unknown | 2026-08-24 |
| Klenty klenty.com | No MCP found | Paid, self-serve | 2026-08-24 |
| QuickMail quickmail.com | No MCP found | Paid, self-serve | 2026-08-24 |
| Amplemarket amplemarket.com | No MCP found | Gate unknown | 2026-08-24 |
| Expandi expandi.io | No MCP found | Gate unknown | 2026-08-24 |
| Kixie kixie.com | No MCP found | Gate unknown | 2026-08-24 |
| Mailshake mailshake.com | No MCP found | Gate unknown | 2026-08-24 |
| Nooks nooks.ai | No MCP found | Gate unknown | 2026-08-25 |
| Orum orum.com | No MCP found | Gate unknown | 2026-08-24 |
| Outplay outplay.ai | No MCP found | Gate unknown | 2026-08-24 |
The jobs most often tagged on the 27 tagged entries in this category.
Counted 2026-08-25 from directory.json and reconciled against tools_recount.py. Nothing on this page is hand maintained: it is a filter over the same 293 entries the rest of the site is built from. Ordered by the published rule: official MCP first, then community, then unknown, then n/a, then none-found; within each band gate order is free, paid, enterprise-leaning, enterprise-only, unknown; then alphabetical by name. Computed, never curated, never purchasable.