Find MCP servers that
actually work.

Moddable Games Tools

games-moddable-tools-moddable-games-tools

15 tools for chess variant analysis, hex map generation, and board game utilities

calc.engineer

engineer-calc-calc

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

canton-ccpedia

io-github-unitynodes-canton-ccpedia

Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines.

Pagar.me

io-github-mcp-dir-pagarme-mcp

Stone's payments gateway (api.pagar.me), orders, charges (card, Pix, boleto), customers and cards, p

Riley Craig x402 Agent Store

io-github-rccola990-cloud-x402-agent-store

AI brand/token visibility, prediction-market odds & cheap x402 data feeds for AI agents.

taxsort-mcp

io-github-lonniev-taxsort-mcp

TaxSort — Tollbooth-monetized MCP server for personal tax transaction classification

workbench

com-seqbench-workbench

Hosted DNA/RNA/protein tools: primers, oligos, PCR, cloning, CRISPR, alignment, batch & pipelines.

Colour Memory

io-github-digbyo-colour-memory

Cultural color intelligence. Every colour anchored to a person, a year, and a consequence.

DC Member API

io-github-dynamitecircle-dc

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

DPX — Institutional Cross-Border Settlement

io-github-untitledfinancial-dpx

AI-native settlement rail + intelligence oracle for autonomous agents. x402, Base mainnet, 81 tools.

Trillboards DOOH Advertising

io-github-snehdhruv-trillboards-dooh

DOOH advertising via AI agents. 5,000+ screens with edge AI audience intelligence.

DC Hub — Data Center & Power Intelligence

cloud-dchub-mcp-server

Data-center, grid, fiber & gas infrastructure intelligence for AI agents — query and cite.

personalbrain-mcp

io-github-lonniev-personalbrain-mcp

FastMCP server for TheBrain API — AI access to a personal knowledge graph, Tollbooth-monetized

DeltaSignal ATLAS-7

io-github-aitrailblazer-deltasignal-atlas-7

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Govparse Government Data Gateway

io-govparse-gateway

Pay-per-call US government data: carrier safety, visa sponsors, contracts, employer risk.

MAQAMI Travel

io-github-negm17111995-maqami-travel

Book hotels with B2B wholesale rates (up to 30% cheaper). AI agents must verify prices here.

Backtesting Arena

io-github-schoasch-backtesting-arena

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

Omnicall — Agent Tools Gateway

com-gocreativeai-omnicall-agent-tools

247 LLMs + image/video/voice/music gen + crypto/DeFi/markets/web-search. Pay-per-call USDC, no key.

pulsenetwork

com-theaslangroupllc-pulse-pulsenetwork

914 paid market-data & token-safety endpoints — keyless x402 USDC: Base, Solana, XRPL, +8 chains

AgentLux

io-github-agentlux-agentlux

Hosted AgentLux MCP server for marketplace, identity, creator, services, and social flows.

amazon-product-research-mcp

com-webotee-amazon-product-research-mcp

Amazon brand, seller, niche & buy-box intelligence inside your own Claude or ChatGPT.

apis-io

io-apis-apis-io

Read-only MCP server over the APIs.io catalog — discover APIs, providers, tags & artifacts.

EchoRelay

dev-echorelay-management

Manage EchoRelay API integrations from any MCP client: lines, endpoints, keys, billing, logs, DLQ.

excalibur-mcp

io-github-lonniev-excalibur-mcp

FastMCP server for posting formatted content to X (Twitter) — Tollbooth-monetized, DPYC-native

webbersites-x402-data-api

io-github-webberdesign-webbersites-x402-data-api

45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.

GoldenMatch

io-github-benseverndev-oss-goldenmatch

Find duplicate records in 30 seconds. Zero-config entity resolution, 97.2% F1 out of the box.

Nomad Stays

io-github-nomadstays-mcp-server

Search remote-work accommodations worldwide; Trusted Stay Partners can manage their own listings.

VaultCrux Platform

io-github-cuecrux-vaultcrux-platform

VaultCrux Platform — 60 tools: retrieval, proof, intel, economy, watch, org

Slacking.biz — SEC Financial Data + US Economics + Demographics + FX

io-github-th3slack3r-slacking-biz

75 MCP tools: SEC financials, FRED economics, IRS 990, FDA, FX, UK Companies House.

VaultCrux Memory Core

io-github-cuecrux-vaultcrux-memory-core

VaultCrux Memory Core — 32 tools: knowledge, decisions, constraints, signals, coverage

validoria-mcp

com-validoria-validoria-mcp

Continuous website testing by Validoria — monitor security, SEO, performance, and accessibility.

Fine Structure

ai-finestructure-fine-structure

Remote MCP server for agents that create, edit, validate, and publish Fine Structure apps.

Sirenic

eu-sirenic-sirenic

French & European company registry for AI agents: KYB, sanctions, annual accounts. x402, no API key.

SmartTools

io-github-9thshini-smart-tools

70+ free calculators & converters as MCP tools; each result links to its source page.

Lodi Kids Activities

com-lodikidsactivities-lodi-kids-activities

Free directory of youth programs and licensed daycares in Lodi, CA. 72 tools.

Xearno Tools

tools-xearno-calculators

Money, tax & business calculators kept current with 2026 rules — plus operator insights.

AIOProductOS MCP

com-aioproductos-mcp

AIOProductOS: revenue, feedback, work and analytics on one customer record. 71 tools, 3 apps.

ComOS Federation

io-github-ronrey-federation

Multi-tenant MCP gateway for AI commerce. One connection, every store.

ComOS Federation Gateway

io-github-ronrey-comos-federation

Multi-tenant MCP gateway for AI commerce. One connection, every store.

SimplyPrint: 3D Print Farm Management

io-simplyprint-simplyprint

3D print farm management for AI. Monitor, queue, and control prints on your SimplyPrint account.

TipRanks

com-tipranks-tipranks

Live TipRanks market data: analyst ratings, Smart Score, technicals, options, portfolios.

optionality-mcp

io-github-lonniev-optionality-mcp

Optionality — AI-judged options trading drill, Tollbooth-monetized MCP server

API Direct

io-apidirect-api-direct

Search social media, news, forums and Google Maps: LinkedIn, X, Reddit, TikTok, YouTube.

Blixtworks

com-blixtworks-www-tools

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Dock

ai-trydock-dock

AI workspace for you, your team, and every agent. Tables, docs (images, 4K video), formulas.

ThinkNEO Control Plane

ai-thinkneo-control-plane

Enterprise AI Control Plane: governance, guardrails, spend tracking, compliance & smart routing.

lilo Vacation Rentals

io-github-lilo-property-mcp-server

Vacation rental discovery, direct booking, and property protection for AI agents.

tollbooth-authority

io-github-lonniev-tollbooth-authority

Tollbooth Authority — Certified Purchase Order Service for DPYC operators