MCP servers on npm
Node.js servers you run with npx or install globally.
outbound-engine-mcp
One cold-outreach engine for any target: HOOK/BRIDGE/SOFT-ASK, follow-up ladder, reply playbook.
ox-mcp
MCP server for Open-Xchange: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts
paywall-mcp
Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.
Pipedrive CRM
MCP server for Pipedrive CRM. 155 tools for deals, persons, organizations, activities, and more.
pipepost
MCP server to publish to Substack, Ghost, Dev.to, WordPress, LinkedIn + 5 more from Claude Code.
posecode-mcp
Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link.
Prop Firm Deal Finder
Query live prop firm discount codes, compare firms, and find cheapest funded trading challenges.
q402-mcp
Q402 - gasless payments, yield, escrow, bridge & NAV triggers on 12 EVM chains. Sandbox-default.
qodercli-mcp
MCP server mode for Qoder CLI — delegate coding tasks to local Qoder agents from any MCP client.
redis-mcp
Run Redis commands and look up Upstash Redis Search docs against Upstash Redis over HTTP or TCP.
Relay
Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.
Relay
Cross-chain bridge and swap quotes, fee estimation, and transaction tracking via Relay Protocol.
rive-mcp
Free, editor-less MCP server for Rive: create, edit, inspect, render and preview .riv animations
robrain
Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.
rubric-mcp
Attested evidence tools for AI agents: sanctions screening, agent/wallet records, paid via x402.
saju-mcp
Korean Four Pillars of Destiny (Saju/Bazi): calculate, interpret, compatibility & daily fortune.
scrapio-mcp
Fetch, crawl, and search the web: Google, Amazon, Walmart, Booking.com, Agoda, and YouTube data.
ScreenVerity
Free U.S. exclusion, debarment and licence screening with a signed receipt of the lists checked.
servicenow-mcp-ai
ServiceNow MCP server — 67 tools over the full REST surface, every auth method, flows, diagrams.
servicenow-mcp-ai
ServiceNow MCP server — 67 tools over the full REST surface, every auth method, flows, diagrams.
slope-mcp
Proprietary B2B creator-velocity data: ranked board, live breakouts, and audience-growth curves.
soma
Execution-verified code generation and verification with signed, offline-checkable certificates.
sovereign-ai-act-mcp
Classify any AI system under the EU AI Act: risk tier + binding Articles, verbatim from the law.
start.gg MCP Server
MCP server for the start.gg GraphQL API: tournaments, events, entrants, sets, standings, streams
stock-sentinel
US stock attack/defense macro signals: 4-dimension framework, 26-year backtested. Research only.
substrate-browser
Token-first headless browser for AIs. Extracts a tiny semantic graph, cutting HTML bloat by 95%.
The Poliety
AI news for agents: editions, change feeds, integrity proofs, and governed events with evidence.
threadctx-mcp
Shared memory MCP server for AI coding agents — local by default, team-shared via threadctx.dev.
tierward
Read a Tierward project's governance state (doctor, team-settings, arch-audit, skills) over MCP.
tock-mcp
Tock (exploretock.com): discover restaurants, search a city, get venue details and availability.
uniswap-tx-builder-mcp
Builds and simulates unsigned Uniswap v3 liquidity-position transactions — keyless, never signs.
validoria-mcp
RemoteContinuous website testing by Validoria — monitor security, SEO, performance, and accessibility.
vanguard-memory-node
Local deterministic BM25 memory for AI agents. Offline-first, no API key, SHA-256 shards, stdio.
voice-truthgate-mcp
Honest voice authenticity for AI agents: enrol a voice, verify a call clip. Signal, not verdict.
voltix-mcp
DeFi intelligence for Claude: whale tracking, alpha signals, yields, token safety. USDC on Base.
Webhound
RemoteBudgeted reports and datasets with Hound, Webhound's DeepSeek V4 Pro + GPT-5.4 research harness.
x402 Triage MCP
MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff.
x402-crypto-mcp
Crypto market data via x402: prices, convert, indicators, yields, gas, tx status, balances, ENS.
xlsx-audit-mcp
Audit Excel workbooks: formula dependency tracing, circular references, risk smells. Local only.
YouTube Shorts Agent
Agent-first YouTube Shorts uploader: dry-run validation, OAuth checks, synthetic-media metadata.
zapier-discovery-mcp
Automation discovery: search Zapier's app directory and find popular Zap templates between apps.
ableton-mind — Ableton Live MCP server
Control Ableton Live from Claude, Cursor or Codex with LOM tools, device knowledge and recipes.
Agent Comms
Cross-harness communication mesh for LLM agents — rooms, DMs, presence, and visibility over TCP
agent-cost-mcp
Cost Guard for Claude Code: per-tool ROI, subagent attribution, anomaly/forecast/budget guards.
agent-observability
Trace AI agent execution: every tool call, every error, every dollar. Open source, local-first.
agent-trust-mcp
ERC-8004 agent trust scores via x402: free preview + paid USDC-on-Base signed scores (5 chains)
agentpack
Repo-native task continuity for AI coding agents: a reviewed task-state ledger served over MCP.
aiseo-audit
Audit web pages for AI search readiness with evidence-tiered factors and pipeline-stage scores.