"Testing subscribe functionality on a Python server" matching MCP connectors:

Cello MCP server to launch and manage your User Referral and Partner program — for developers and growth teams.

xmagnet — AI-powered B2B CRM for Claude. 35 tools that turn natural-language prompts into real CRM actions: prospect, enrich, score leads, manage deals, scan buying intent, run email campaigns and sequences, build forms and landing pages, refine ICP, and analyze performance — all directly inside Claude. 🚀 ONE-CLICK INSTALL: https://api.xmagnet.ai/claude The install page guides Claude users through 3 steps in under a minute: open Claude Connectors, paste the connector name, paste the server URL, sign in. A reviewer workspace is auto-provisioned on first sign-in with sample contacts, deals, campaigns, and ICP suggestions, so every tool works end-to-end with zero setup. No 2FA. No paid plan required. Free tier exposes all 35 tools. What you can do: • Prospecting — search_contacts, search_companies, search_investors, find_contacts_at_companies, enrich_contact, validate_email, find_competitors, company_intelligence • Pipeline — get_deals_pipeline, scan_deal_intent, get_ghost_pipeline, create_deal • Campaigns & sequences — create_campaign, generate_campaign_content, get_campaign_stats, get_bounce_stats, get_unsub_stats, create_sequence_draft, list_sequences • Top of funnel — suggest_icp, get_icp, create_form, list_forms, create_landing_page, list_landing_pages, show_suggestions • Operations — analyze_contacts, get_contact_details, update_contact, save_contacts_to_crm, export_contacts, get_dashboard_stats, get_credit_balance Example prompts to try: • "Find C-suite contacts at fintech companies that raised Series A in the last 6 months." • "Scan my open deals for buying intent and prioritize follow-ups." • "Generate a re-engagement campaign for contacts who opened my last newsletter but didn't reply." • "Show me my deals pipeline by stage with weighted value and win rate." • "Generate a landing page for my Q2 webinar with a registration form." Built for founders, SDRs, RevOps, and growth teams who want their CRM to take action — not just store records. Install: https://api.xmagnet.ai/claude · Site: https://xmagnet.ai · Privacy: https://xmagnet.ai/privacy-policy · Terms: https://xmagnet.ai/terms-of-service · Support: ashish.sinha@xmagnet.ai

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

Find SMBs by name, city, and business type in the Lead Stampede directory via public MCP tools.

Read tickets, users, orgs, macros and satisfaction ratings; create, update and comment on tickets.

Run AI interviews, manage candidates and read hiring analytics on JobMojito.

API-first CRM for LLMs - contacts, companies, deals and activities over a native MCP server.

Find companies hiring for a role and geo, qualify them, and watch them for changes.

Which ATS does a company use? Portal-verified answers for 743 employers + resume ATS check. No key.

Behavioral intelligence for client-facing professionals. Know who you're walking into.

Scheduling, availability, clients, billing and CRM for appointment-based services.

Audit lead-delivery workflows, find reliability gaps, and generate a LeadProof integration plan.

Remote MCP server to enrich company profiles with structured B2B data and confidence scores.

Human-in-the-loop LinkedIn outreach and a built-in sales CRM for AI agents. Safety-gated, anti-spam.

Wholesale BOM pricer: send a parts list, get a priced line-by-line quote by email in minutes.

Read-only tools for finding where a small business leaks deals, time, and cash.

Fuzzy entity resolution and dedupe for names, addresses, and company records — the "is this the same person/company" problem that breaks exact-match joins. Clean CRM exports, merge duplicates, reconcile vendor lists. Pay-per-call via x402 (USDC on Base): $0.008/call, no account or API key. tools/list and /openapi.json are free for discovery.

Read and act on your own Dynamite Circle membership data via the public DC Member API.

Search CodeStringers' Zoho & custom-software content and business details, live.

Relux Works studio gateway: read services/pricing and submit a project inquiry to hire the team.