B2B GTM stack intelligence: search ~400 tools with pricing, compare vendors 2-way or n-way, find stack overlaps (104 hand-verified pairs), run spend audits, map category landscapes, get buyer questions and renewal-negotiation playbooks. Free, no API key, stateless.

A verified directory of 300+ go-to-market tools across CRM, data enrichment, analytics, and billing. Endpoints are re-checked on a schedule and pricing changes are logged, so entries reflect what is live now. About 50 of the tools publish their own MCP server and can be filtered with mcpOnly. searchtools - Search by keyword or category, filter to verified or MCP-only, sort by score. gettool - One tool's full record: verified status with a real last-checked timestamp, pricing, adoption, review themes. comparetools - Two tools head to head, with a per-axis winner across score, API quality, ease of use, and free tier. listchanges - Recent pricing, reachability, free-tier, and deprecation changes, newest first.

Free go-to-market tools for B2B revenue teams, from zRev AI. Grade any llms.txt file and get specific fixes, run a cold read of any homepage to see what an AI assistant would say about that company, model the annual impact of AI across a sales and marketing motion with your own numbers, and pull a 47-question go-to-market due diligence checklist. No API key or sign-up needed. zRev AI helps B2B software companies grow revenue faster by building AI into the sales and marketing systems they already use. Learn more at https://www.zrev.ai

Gmail

Read, search, and send Gmail messages. Manage drafts, threads, and labels; reply, forward, archive, trash, report spam, and triage your inbox.

abm.dev

The account-based marketing API for AI agents: Search, Enrich, and Create across B2B people and companies. Every field cited with a source and confidence score. One key, ten sources, no per-field bills.

FavCRM — Agentic CRM

Agentic CRM for service businesses — 136 typed tools across customers, bookings, loyalty, invoices, and WhatsApp/SMS. Hosted at api.favcrm.io/mcp. What it does Customers & loyalty — segments, memberships, rewards, points Bookings — create, confirm, cancel, no-show; capacity-aware schedules Commerce — invoices, payments, products, orders, inventory Communications — WhatsApp, SMS, email with templates CRM core — contacts, tasks, tickets, deals, campaigns Auth API key (favmcp...). Sign up free at favcrm.io → Settings → API Keys. Free tier: 100 customers + 200 bookings/month. No credit card. Quickstart Install snippets, examples, and smoke tests: github.com/favcrm/mcp

Train gradient boosting models quickly and export portable artifacts for smooth deployment. Run fast predictions from newly trained models or existing artifacts. Upload datasets, browse available backends, and access a practical guide with best practices and troubleshooting.

EXVIV delivers evidence-backed competitive intelligence through MCP. Agents can retrieve reviewed company pricing, compare competitor offers, and generate market evidence briefs using verified public sources. The catalog is free to explore, while premium intelligence is available through accountless, pay-per-call x402 payments in USDC on Base.

Google Compute Engine

Create and manage virtual machines on Google Cloud. List instances, configure machine types, manage disks, and control compute resources.

Getting Things Done (GTD) board for AI agents: capture to Inbox, next actions by context, projects, waiting-for, someday/maybe. Remote Streamable HTTP server with OAuth 2.1 login (passwordless email code). 16 tools + 4 prompts. Setup guide: https://gtdbrain.com/connect?source=smithery

AdLoop Cloud connects your Google Ads, Reddit Ads and Google Analytics 4 accounts, plus Search Console, Tag Manager and Merchant Center, to your AI assistant. Review campaign performance, find wasted spend in search terms, check whether conversions are tracked correctly, research keywords and plan budgets, and draft campaigns, ads and keywords. Every change starts as a preview: nothing is applied until you approve it, Google validates each change in a test run first, budgets and bid raises are capped, and new campaigns are created paused. Hosted in Germany. Requires a free AdLoop Cloud account (getadloop.com) with Google or Reddit connected.

Omnicall is the all-in-one agent gateway: 248 LLMs (GPT, Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral) plus image, video, voice & music generation, live crypto / DEX / DeFi / prediction-market data, web search, multi-platform research, X profiles and on-chain reads — one keyless endpoint, pay per call in USDC on Base or Solana. No API keys, no subscriptions. Free tier to try instantly.

Send physical gifts and letters to prospects directly from your AI agent. Give G3M a target, an objective, and a budget, and it handles prospect research, item sourcing, personalized notes, and shipping. No generic corporate swag—just hyper-relevant physical outreach delivered straight to their office. Works via web or MCP tool integration with human-in-the-loop spend approval.

The official Model Context Protocol (MCP) server for RubiConnect — the enterprise platform for RCS (Rich Communication Services) and WhatsApp Business messaging. Connect external AI assistants (such as Claude Desktop, Claude.ai, Cursor, ChatGPT, and autonomous agent pipelines) directly to your RubiConnect messaging workspace to check phone reachability, send rich cards and carousels, trigger bulk campaigns, inspect live inbox conversations, and query messaging analytics.

MCP server for the GONKA network: run cheap LLM inference through the server (free trial or your own key), get multi-model second opinions, and compare live prices — for any AI agent.

Vaaya is the agent payment system: one MCP server that lets any agent call paid APIs — image/video generation, product demo videos, web search & scraping, deep/market research, lead enrichment, GTM outreach, sandboxes, browser automation, email — pay-per-call, no API keys Agent docs: https://vaaya.ai/llms.txt

Your agents build dashboards, trackers and docs in Quillm and keep them current, run after run. Your team reads them at one address, no AI account needed.

Authorized website audits for security, technical SEO, AI visibility, integrations, accessibility, and performance.

DETRAN GO: Gravame DETRAN GO: Gravame, consulta em fonte oficial. Hospedado pela plataforma, sem credenciais da plataforma, pague por consulta com crédito pré-pago. Funciona em qualquer cliente MCP. Servidor remoto: https://api.mcp.ai/pdetrango_gravame

AI-native operating system for general contractors: estimates, takeoff, bids, pay apps. CooperBuild is the operating system for a construction company, built around one idea: the estimate is the company. Approving a proposal clones the estimate into the live project, and takeoff, vendor quotes, pay apps, payroll and the general ledger all hang off the same deliverables. Agents connect to browse and edit estimates, collect vendor bids, turn an approved proposal into project records, and hand work to named chat agents. Built for owners and COOs of 10-80 person GCs and interiors/specialty contractors. Agents can sign up on their own via OAuth dynamic client registration and an email-code bootstrap. Docs: https://www.cooperbuild.ai/developers

Website audits for AI agents: cookie consent & tracking (GDPR, Consent Mode v2), Core Web Vitals with lost-revenue estimate, WCAG 2.2 accessibility, SPF/DKIM/DMARC email health, tech stack and AI-search readiness, merged into one prioritised fix plan. Bring your own Apify token; scans run on your account.