MCP Servers

L

Less Annoying CRM (remote, OAuth)

northkeellabs.com

Unofficial remote MCP server for Less Annoying CRM: OAuth 2.1, read-only grants, 10 tools.

N

Novarithm Agent Hub: trust and commerce checks

www.novarithm.com

Agent trust, pre-purchase risk, deliverable checks, data and SEO tools. Pay per call via x402.

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npubmail

npubmail.com

Email inbox for AI agents, owned by a Nostr key. No signup or API key. Receive codes, read, send

N

NudgeHost

nudgehost.com

File hosting for agents. Upload any file, get a public link in seconds.

N

Numeratica — financial planning calculations

numeratica.com

Deterministic US financial planning: retirement Monte Carlo, Roth conversion, RMD, tax, IRMAA, SS

N

Nursing Home Database

nursinghomedatabase.com

MCP server for US nursing facility search and ownership lookup (NursingHomeDatabase).

V

val

nyx-intelligence.com

QA agent for vibecoded apps. Real browser checks, your AI fixes them. Ship to green.

D

daleel

o11r.com

Halal stock screening with receipts: every Sharia verdict cites its SEC filing. 5 methodologies.

A

AGTS MCP Server

mcp.obligationsign.com

Sovereign MCP Gateway — 64 governed tools with Merkle transparency log. EU AI Act ready.

O

OboeLib — Conservatory Oboe Fingering, Half-Hole, Forked F & Trill Chart Engine

oboelib.com

Look up conservatory oboe fingerings, half-hole, left/forked F rules, octave keys and trills

O

o360-mcp

offensive360.com

Run Offensive360 SAST scans (60+ languages) on local code; findings with file/line and fixes

O

Offhand

offhandapp.com

Use Claude, ChatGPT, Grok Bot or Muse from the agent you are in: hand it a task, get the work back.

O

OfflineCreator Studio

offlinecreatorstudio.com

Create images and videos with OfflineCreator Studio through OAuth or the npm stdio server.

O

Offline Protocol

offlineprotocol.com

Find Offline Protocol SDK packages, read integration guides, plan and scaffold local apps.

O

Offline Protocol (hosted)

offlineprotocol.com

Offline Protocol packages, workflows and integration guides over HTTPS. Read-only.

O

Off-Nadir Delta

offnadir-delta.com

From first signal to satellite evidence: live world-event intelligence and collection planning.

G

gate402 merchant checkout

ogenalabs.com

Drop-in x402 checkout for merchants: issue terms, verify payment. $0.01 each.

S

signals.edge graduation radar

ogenalabs.com

pump.fun graduation radar for trading bots and AI agents. x402 USDC per scan, no key.

T

Token risk x402

ogenalabs.com

Pre-trade token safety checks for AI agents on Solana and Base. x402 USDC per call, no key.

O

ogmake

ogmake.com

Generate og:image social cards and signed ogmake.com image URLs from your AI assistant

O

OG Stamp

ogstamp.com

Pay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire

O

OhGiftPlease Gift Discovery

ohgiftplease.com

Person-first gift discovery with curated ideas, guides, categories, and brands

O

Okareo

okareo-ai

Simulate and evaluate voice & text agents from your editor. Generate synthetic-user "Drivers" from your codebase, run multi-turn simulations against your agents, and pull back transcripts, traces, and scores without leaving your AI assistant.

O

okfindex

okfindex.com

Reuse searchable private documents across agent sessions. Free base capacity; paid expansion.

C

checker-mcp

oksigenia.com

Domain security and privacy checker as an MCP server. 17 live checks, 0-100 score, local-first

O

OKstays

okstays.com

Hotels ranked by real comfort, not commission: efficient AC, comfy beds, soundproof rooms and more

O

Old Cars Data

oldcarsdata.com

Collector-car auction history, live listings, bid trails, and market statistics for AI agents

O

olympus-bets-analytics

olympus-bets.com

Quant sports analytics: 19 read-only tools across 12 leagues, projections, methods, track record

O

Omakase Icons

oma-kase.com

Search 297 free MIT SVG icons and paste React, Vue, Svelte or SVG code. No auth.

O

Omnicost

omnicost.com

Construction unit prices with source and date for Spain, the US and the EU. OAuth or API key.

O

Onadit

onadit.com

Memory for your agents, kept on your Mac. Needs Onadit for Mac, from onadit.com/download

O

ONES

ones.com

Manage ONES projects, issues, tests, work hours, and Wiki knowledge.

O

oneshot-mcp

oneshotpacks.com

Search receipt-verified agent build packs, with each pack's real M-of-N pass rate.

D

Date Calculator

onlinealarmkur.com

Count days between dates, add or subtract dates, and look up public holidays by country.

S

SuperSkill Registry

onlyharness.com

Find, inspect and install reviewed reusable AI-agent capabilities from superskill.sh.

M

MOSN Solana Safety

mosn-safety-api.onrender.com

Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402

O

Ontario Protocol

ontarioprotocol.com

Find live x402 APIs for any task (0.005 USDC, no match no charge); Base balance, tx and gas reads

O

OntoRamp Graph Query

ontoramp.com

Architecture-grounded query for AI agents. Governance constraints, evidence-linked answers

O

OntoRamp Knowledge Cartographer

ontoramp.com

Knowledge coverage map and health score. Ingest docs into a governed knowledge graph via MCP

O

OntoRamp Transformation Radar

ontoramp.com

Transformation readiness gaps and initiative risk signals for AI agents and enterprise change leads

O

Onvexia: Crypto Fundamentals, Sentiment & Onchain Tracking

onvexia.com

Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents

O

OpenCabinet

opencabinetai.com

Cloud kitchen cabinet layout solver, interactive 2D plan previews, finish edits, and retail quotes

A

Agora by openforallofus

openforallofus.com

Search MCP servers ranked by measured handshake checks, tool lists and signed reports

O

Openlayer

openlayer.com

Inspect AI projects, traces, tests, and governance rules in Openlayer, and debug failing evals

O

opensolr-mcp

opensolr.com

Managed Apache Solr for agents: hybrid BM25+kNN search, server-side embeddings, RAG answers

O

OperatorNest tools

operatornest.com

Calculate API and subscription costs, meeting time zones, recurring schedules and cron matches

O

opointo

opointo.com

Design a React Native app in a browser and emit it as a real Expo project you own, iOS and Android

O

OpsKitty

opskitty.com

Uptime checks for sites and APIs, status pages, cron heartbeats, Lighthouse and SEO audits.

O

OpsLevel

opslevel.com

Query your OpsLevel internal developer portal: catalog, maturity data, and tech docs

O

OptionsBell Options Flow

optionsbell.com

Unusual options activity on 7,000+ US stocks: top prints, streaks, IV rank, sentiment, sectors.

O

Opus Growth

opus-growth.com

Hosted Google Ads MCP for Claude and ChatGPT. Preview every write. No developer token

P

Prax Data Services

orabrain.com

Screen banks, wires, sanctions, wallets and transfers before an agent moves money. Free tier.

Social intelligence for 8 networks: read posts, creators and trends, then create from them.

O

Origami Tutor

origamitutor.com

Origami Tutor helps you find and fold paper crafts right in the chat

O

Original Pictures

originalpictures.com

Sign media with C2PA Content Credentials and verify its declared origin.

O

Orlandu's Arcade

orlandu.com

Read-only tools for orlandu.com: site search, pages, Sony PVM/BVM specs, PlayChoice-10 library.

O

Osboon

osboon.com

Read-only AI access to Osboon business card analytics, viewers, links, connections and contacts.

O

Osmanth Agent Hub

osmanth.com

Agent-to-agent service directory and task market with points, trust scores and public proofs.

O

Osmanth Shop Search

osmanth.com

Live product search for AI agents across Shopify merchants and major retailers.

O

Otovo

otovo.com

Check your Otovo solar system and book, move or cancel visits, with your approval.