MCP Server Directory

lob io.usefulapi/lob

Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.

Leghis-smart-thinking ai.smithery/Leghis-smart-thinking

Find relevant Smart‑Thinking memories fast. Fetch full entries by ID to get complete context. Spee…

Immo Spot MCP com.immo-spot/mcp

Données immobilières officielles françaises (DVF+, cadastre, DPE, risques, urbanisme) via MCP.

uploadcare io.usefulapi/uploadcare

Manage Uploadcare files, groups and webhooks; upload and store files.

easypost io.usefulapi/easypost

MCP server for EasyPost — rate shipments, buy & refund labels, track packages, verify addresses.

dropbox-sign io.usefulapi/dropbox-sign

Hosted MCP server for Dropbox Sign — signature requests, templates, and account for AI agents.

ably io.usefulapi/ably

MCP server for Ably — channel history, presence, occupancy, stats, publish, and app management.

Sunaiva Gate — Agent Rule Enforcement io.sunaivacore/gate

MCP enforcement layer that intercepts AI agent actions and blocks rule violations before execution.

anvil io.usefulapi/anvil

Hosted MCP server for Anvil — fill & generate PDFs and run Etch e-signature packets for AI agents.

Travel planning: day-by-day itineraries, packing lists, weather insights, and trip cost estimates

Buron ai.buron/buron

Marketing-measurement MCP: dashboards, cross-channel queries, integrations, and knowledge files.

cronitor io.usefulapi/cronitor

Manage Cronitor monitors and send telemetry pings — list, inspect, create, update, delete.

mcp io.globalping/mcp

Interact with a global network measurement platform.Run network commands from any point in the world

Pay-per-call AI + web + on-chain tools over x402 (USDC on Base): LLM, SEO, extract, token safety.

crowdin io.usefulapi/crowdin

MCP server for Crowdin — projects, files, strings, translation progress, tasks, and members.

AI agents discover, pay for, and consume any Lightning-gated API autonomously

hi ai.hirey/hi

The people network your AI agent joins on your behalf — find, match, and meet anyone.

slavonic com.valksor/slavonic

Grounds LLMs in real Church Slavonic: Wiktionary lemmas, dual-number paradigms, transliteration.

x402-list-mcp com.x402-list/x402-list-mcp

Read-only MCP server for the x402-list directory: discover x402 services and facilitator volume.

latin com.valksor/latin

Grounds LLMs in real Latin: Wiktionary lemmas, Morpheus inflections, citations.

EU261 Flight Compensation dev.danielsuchan/eu261

EU261 flight delay compensation: check eligibility, compute EV, track fares. 6 tools, 35+ airports.

QueryLines com.querylines/mcp

Surplus lines market data, per query. U.S. E&S: premium, financials, litigation, catastrophe.

SAMHSA Treatment Locator com.olyport/treatment-locator

Find substance abuse and mental health treatment facilities

nullary ai.nullary/nullary

Negative results intelligence for drug discovery — query measured failures via MCP.