#GTM

Checks email domain deliverability via DNS: SPF, DKIM, DMARC, MX record validation, DNSBL blacklist lookup across 10 lists, RDAP/SOA domain age, and a weighted 0-100 composite score. Built for Clay, GTM, and outbound workflows.

B2B enrichment API for AI agents — 89 canonical fields per person + company, each annotated with source, confidence (0-1) and freshness. One call synthesises ten sources; no per-field bills. Add https://mcp.abm.dev/mcp as a custom MCP connector (OAuth 2.1 PKCE).

toflow.ai is an AI-native outreach platform for B2B sales teams. Find leads, enrich contacts, and run campaigns across email, LinkedIn, and WhatsApp by chatting with AI. Connect to Claude or ChatGPT via MCP and your AI assistant handles the entire outreach workflow. Prospecting: Search LinkedIn with classic and Sales Navigator-style filters. toflow builds your list instantly. Enrichment: Verify emails, find phone numbers, and pull LinkedIn data through waterfall enrichment across 8+ premium sources. Sequences: Launch multichannel sequences across email, LinkedIn, and WhatsApp from one workflow. Automates connection requests, messages, InMails, and follow-ups. AI Agents: Autonomous agents handle prospecting, follow-ups, and inbox management. Hot leads routed to reps automatically. Unified Inbox: All replies from every channel in one place. CRM: Connects to Salesforce and HubSpot. Every action syncs back automatically. Trusted by 100+ sales teams.

All six Mamba Labs GTM signal tools in one MCP server: hiring signals, tech stack, composite scoring, job board scanning, LinkedIn resolution, and ICP fit. Backed by Apify, Clay-ready JSON.

One call merges hiring intent and tech-stack detection into a single composite GTM score with a recommended next action. Part of the Mamba Labs signal toolkit.

Detects GTM hiring activity from company career pages across Greenhouse, Lever, and Ashby, returning role counts and titles as a Clay-ready row. Part of the Mamba Labs signal toolkit.

Fundable MCP gives agents real-time access to funding, investor, and startup data Fundable is a startup and investor intelligence platform that gives growth teams, VCs, and founders a real-time view of the startup ecosystem. Growth teams use Fundable to discover newly funded companies at the right moment to sell. Investors use it to source deals, track funding activity, and monitor portfolio signals. Founders use it to map the investor landscape and find the right people to pitch. Access the full dataset through the Fundable site, REST API, bulk datafeed, or MCP.

CClarity connects AI assistants (Claude, ChatGPT, Cursor, etc.) to your LinkedIn world inside the CClarity platform: profile and business context, ICP, writing style, post analytics, profile viewers, outbound engagement history, inbound “who engaged” on your posts, connection invitations, and followers. Remote MCP runs on https://api.cclarity.io (Streamable HTTP). End users typically connect via the published stdio bridge @cclarity-packages/mcp (browser OAuth + local proxy).

Hosted MCP server with over 309 tools to run Google, Meta, LinkedIn, and TikTok ads from Claude, ChatGPT, Cursor, or any MCP client. Every write goes through draft-preview-confirm before it lands.

Hosted MCP for B2B SaaS GTM stack research — 8 read-only tools wrapping stackswap.ai: search ~400 GTM tools, find curated overlaps, suggest AI-native swaps, compare vendors head-to-head, run preview spend audits, and get partner recommendations. Free, no API key, stateless.

CClarity is a remote MCP server that exposes LinkedIn-aligned tenant data to AI assistants: profile and company context, ICP and writing style, post performance, profile viewers, outbound activity (reactions/comments), who engaged on your posts, connection invitations (in/out), and followers. Setup: install the stdio bridge with npx -y @cclarity-packages/mcp (see Server Config) pointed at https://api.cclarity.io. Auth: OAuth 2.1 via the CClarity app; access: an active paid subscription and a connected LinkedIn account (Unipile) are required before gated tools return data.

Open execution contract for agents doing business work. 6 operators following one spec. Approval-gated, tenant-isolated, MIT. Reference at chieflab.io/spec/v0.1.

Talk and interact with Bitscale MCP Server Bitscale is a B2B GTM Orchestration tool that helps you with the Best B2B Data (Emails, Phone Numbers, Intent Signals)

Interact with the Seape API using AI assistants like Claude, or in AI-powered IDEs like Cursor.

MCP server for Google Tag Manager