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16,825 Claude connectors and ChatGPT apps
Data-Analytics
Nonobench
By Maurice Kleine
An open-source benchmark of how well LLMs solve nonogram puzzles, from 5x5 to 20x20. Query every result through a REST API or MCP server.
Tools: 11
Productivity
Nonprofit AI Policy
By StratusLIVE
Prepare a draft AI use policy your nonprofit board can review. The plugin guides you through the same five decision areas as StratusLIVE’s Nonprofit AI Policy Template: organization, data, work AI may assist, human approvals, and disclosure, vendor requirements, and review. It produces eleven policy sections, an AI tool register, draft board resolution, and ten board questions with suggested answers. The bundled generator uses fixed policy clauses and tailoring rules. Choices marked undecided remain visible as board decisions. You can revise choices and regenerate the draft. Designed for ChatGPT Work and Codex environments that can run bundled scripts. Node.js is required for deterministic generation. Word export also requires Python and python-docx; an editable Markdown draft is available without Word export. Without script execution, the plugin can guide the questionnaire and explain the template, but cannot claim to generate the deterministic document. No external app account or email is required. This package contains no MCP server, analytics, CRM connection, or sending tools. It asks for data categories and governance choices, not donor, client, health, payment, or employee records. ChatGPT and Codex still process the conversation under your OpenAI account’s settings. The draft is a planning template, not legal advice or a compliance certification. Review it with counsel and the board before adoption.
Prompts: 3
Data & Analytics
Nonprofit Benchmark
By StratusLIVE
Find a US nonprofit by organization name or EIN and preview how its fundraising efficiency and contribution growth compare with organizations in the same mission category and revenue range. Results use public Form 990 filings and show filing years, peer counts, and comparison limits. Open the organization-specific report on StratusLIVE and complete the website email form to view all six metrics, revenue mix, and available filing trends. The plugin does not collect contact details or submit forms. Coverage is limited to the benchmark dataset; a missing result is not a determination of tax status.
Tools: 3 · Prompts: 3
Nonprofit
Nonprofit Board Manager
By Nonprofit Board Manager
Board Manager is board management software for small nonprofits. This connector lets a board coordinator work with their board in Claude, using the same account, permissions, and plan limits they have in the app. Ask Claude what needs attention this week, who hasn't responded to the next meeting, or whose terms end soon. Have it build a meeting agenda, turn rough notes into minutes, record the motions and how they were decided, and add the follow-ups as action items with owners and due dates. Keep the roster current: add members and terms, renew terms, assign officers and committee seats, and update skills. Track board candidates through your recruiting pipeline, add notes, and match candidates to the skills the board is missing. The connector deliberately can't send email or texts and can't delete anything. When Claude drafts a message, it's saved as a draft for the coordinator to review and send in Board Manager. Compliance signing status needs Board Manager's Engage plan; everything else works on every plan, including the free Starter plan.
Tools: 37
Productivity
Noodle
By ShelfApp
Noodle is a local-first workspace for pages, databases, a calendar and knowledge vaults in the style of Obsidian. This connector lets Claude work with your Noodle account, whether on Noodle Cloud or on your own Noodle server. What Claude can do: - Search pages by title and text, read them, list folders and get a map of a vault (title and summary of every note) to pick the right notes before opening them. - Create and update pages in Markdown, with [[wiki links]] between notes, rename or move them, and move them to the trash (recoverable). - Append to a daily journal page. - Read attachments. - Read the calendar, create, edit and delete events; create, complete, edit and delete reminders. - Check the health of a vault: notes without a summary, broken links, notes to verify again. Privacy and control: you approve the connection in Noodle and choose which vaults Claude can see. Protected notes and vaults stay closed. Claude can ask for more access, but only you can grant it from the app, and you can reduce or revoke access at any time. Writes always go through your account and are kept in each page's version history.
Tools: 25
Developer Tools
Noodle Seed
By Noodle Seed
Access your Noodle Seed workspace in ChatGPT to find information faster, stay organized, and keep your work moving without switching tools.
Tools: 3
Developer Tools
Noodle Seed
By Noodle Seed
Build production MCP servers and apps with Noodle Seed: author one TypeScript server.ts with the noodle CLI, validate and test locally, then deploy to a governed hosted MCP endpoint that works in ChatGPT, Claude, Codex, Cursor, Gemini, and every MCP client.
Prompts: 2
Developer-Tools
Nookframe
By Nookframe
Nookframe is a live portfolio for vibe-coded work. Each work on your page runs as the real app, next to a demo video that Nookframe films automatically. With this connector, Claude can put a project you built together onto your Nookframe page: - Upload a work as a draft, from a deployed URL or a single-file app sent as HTML - Check an upload before saving it (a dry run of every check) - Edit or delete your drafts - See whether a work is a draft or public, and whether its demo video has been filmed - Send a new demo script for a published work's video Before uploading, Claude asks you three short questions about the work, and the demo is filmed around your answers. Everything arrives as a draft: nothing becomes public until you review it in your Nookframe dashboard and press Publish. The connector cannot publish anything, and cannot edit or delete public works. Requires a free Nookframe account.
Tools: 7
Business & Operations
Nooks
By Nooks
Bring Nooks into ChatGPT so your revenue team can act on real execution data without pulling exports or switching tools. Query tasks, prospects, sequences, email activity, call transcripts, and rep metadata. Nooks is a revenue agent platform where AI agents and reps work in the same system, giving teams a direct line from agent activity to meetings booked, pipeline generated, and revenue closed.
Tools: 48 · Prompts: 3
Business & Operations
Noon
By Noon
Noon is an AI recruiter. Connect it to ChatGPT to source candidates for a job, review who Noon found, shape the outreach Noon sends, and find out why a role's search is or isn't working, all from a conversation. What you can do • Source candidates: describe a role or paste a job description, and Noon creates the role and starts searching for matching people. • Review the feed: see the candidates Noon surfaced for a role, with its reasoning for each match. • Accept or reject candidates: accepting adds someone to the role's project (and starts outreach when auto-contact is on); rejecting with a reason teaches Noon what to avoid. • Give feedback on the feed as a whole ("too many consultants", "more fintech backgrounds"): Noon re-scores the current candidates and adjusts future sourcing. • Read and rewrite outreach sequences: LinkedIn invites, InMails, emails and follow-ups. • Diagnose a role's search: funnel counts, top rejection reasons, which single requirement is blocking otherwise-qualified people, and what loosening each filter would add. • Look up a candidate's profile and the evaluation behind Noon's decision. Who it's for Recruiters, sourcers and hiring managers who use Noon. Requirements and limits • You need a Noon account (www.noon.ai). You sign in with your Noon login when you connect, and ChatGPT only sees the roles and candidates in your Noon workspace. • Outreach goes out from the email and LinkedIn accounts connected in your Noon portal. • Noon can't delete roles, change billing, or access other companies' workspaces from ChatGPT. • Everything done here also shows up in your Noon portal.
Tools: 19 · Prompts: 3
Productivity
Noota
By Noota
Noota records, transcribes and summarises meetings, video calls and phone calls. This connector gives Claude read-only access to that archive, so you can ask questions across everything your team has recorded instead of reopening meetings one by one. What you can do with it: - Find meetings by title, date, duration, recording type, participant, folder or workspace - Search inside transcripts and summaries for a phrase, a topic or a commitment that was made - Read the verbatim transcript of a specific meeting, filtered by speaker, time range or text - Look up a contact by name, email or company and pull the conversations you have had with them - Browse the folders and workspaces your team has organised Typical uses: preparing for a call by reviewing what was said last time; collecting every objection a prospect raised across a sales cycle; drafting an interview report from a screening call; checking what was actually agreed in a client meeting; summarising a month of team conversations for a report. All tools are read-only. The connector never creates, edits or deletes anything in Noota, and it returns only the records the signed-in user can already access in their own account. Requirements: a Noota account on any plan. Authentication is OAuth 2.0 — you sign in with your Noota credentials and approve access, with no API key to copy or store. Noota stores and processes all data on European infrastructure, and customer conversations are never used to train models.
Tools: 6
Sales-And-Marketing
NorScout
By NorScout AS
NorScout finds Norwegian and Swedish companies for B2B sales and marketing, right in the conversation. What you can do - Build prospect lists by industry, place and revenue, for example accounting firms in Oslo or IT consultancies in Stockholm. - Size a market: how many companies a segment has, split by revenue band, or Norway and Sweden side by side. - Prepare for a sales meeting with a company's registry facts and up to five years of revenue and profit, or compare up to eight companies. - Find companies similar to a customer you already have. - See the companies on a map. - Save companies as a private list in your NorScout account. - Read your saved company lists and the company signals NorScout has found for them. You need a NorScout account. A free account works. Where the data comes from Norwegian and Swedish public registers and filed annual accounts. Revenue is historical and comes from the latest filed accounts, in NOK for Norway and SEK for Sweden. Holding companies and sole proprietorships are left out. What NorScout does not do It returns no contact details: company searches include none, and saved lists are read without person lists, email addresses or other contact columns. NorScout does not claim that a company wants to buy, does not contact anyone for you, and covers companies in Norway and Sweden only.
Tools: 9
Business & Operations
NordicContacts
By Vine Ltd
Find decision-makers in your target audience across Finland, Sweden and Estonia. NordicContacts gives ChatGPT read-only access to verified B2B company and contact data: find companies by name, website domain, or business ID; count companies or contacts in a market segment before building a list; and retrieve decision-maker contacts with names, titles, and direct email addresses and phone numbers for prospecting. Connecting requires a NordicContacts account and OAuth sign-in. Retrieval tools return company or contact records for the connected account; segment retrieval returns up to 100 records per call with offset pagination for larger segments. All tools are read-only: the plugin cannot modify data and cannot create files. Larger exports are handled on nordiccontacts.eu.
Tools: 17 · Prompts: 3
Developer-Tools
Nordprix MCP Readiness Check
By Nordprix
Nordprix MCP Readiness Check tests a remote MCP server against the requirements Anthropic publishes for the Connectors Directory, before you submit it. Give Claude your server's https:// URL and the check_mcp_server tool reports, check by check, whether the server answers MCP over Streamable HTTP (the 2026-07-28 protocol and the earlier initialize handshake), which authentication type it uses, whether its OAuth discovery is complete (401 challenge, protected resource metadata, authorization server metadata, issuer, DCR or CIMD, PKCE S256, response times), and whether its tools follow the directory's tool rules: titles, readOnlyHint or destructiveHint annotations, name length, descriptions, no mixed read/write HTTP tools, API references on free-form query tools, and prompt-injection patterns. Each failed or warning check comes with the evidence, a fix and a documentation link. If your tools are behind sign-in, paste a signed-in tools/list result and check_tools_list runs the tool rules on it without contacting any server. What is sent to your server: the MCP handshake, tools/list (at most 5 pages) and GET requests for OAuth discovery documents. It never calls your tools, never registers an OAuth client, never requests a token and sends no credentials. Only public https:// addresses are checked, and nothing you submit is stored. The check covers what can be tested from outside a server. It is not a review decision by Anthropic, and Nordprix is not affiliated with Anthropic.
Tools: 2
Financial-Services
Nordsynk
By Nordbeam AB
This is the read-only edition of Nordsynk. The full Nordsynk connector can also prepare changes in Fortnox, such as vouchers and invoices, that you approve in the browser before anything changes. Add it from https://nordsynk.se/fortnox-claude. Nordsynk connects Claude to a Fortnox company you already have access to, so you can ask about the books in plain language. What you can ask for: - Customer invoices that are unpaid or overdue, with the remaining balance per invoice. - Supplier invoices for an exact date range, with due dates, balances and paid or unpaid status. - A profit and loss summary for a period you choose. - Account balances (balance sheet) for a period you choose. - The VAT report with the amount to pay or reclaim. How it behaves: - Read-only. This connector does not create, change, send, book or pay anything. - Reports use an exact period that you state, inside one Fortnox financial year. If a period spans two years, Nordsynk says so and asks for one period per year. - Access follows your own Fortnox login, your Fortnox permissions and the Nordsynk seat for each company. You can connect more than one company and choose between them. - Answers come straight from the company's Fortnox records. The connector returns only what the question needs: invoice numbers, dates, currency, totals, balances and account balances. It does not return personal identity numbers, payroll or bank details. Requirements: a Fortnox company, and Nordsynk activated for your user in that company. Nordsynk is provided by Nordbeam AB. Fortnox is a trademark of Fortnox AB; this connector is an independent Fortnox Marketplace integration. Setup guide and support: https://nordsynk.se/support.
Tools: 6
Education
Nordvinge
By Nordvinge
Nordvinge is theory training in Swedish for EASA LAPL and PPL pilot students in Sweden. Connect your Nordvinge account and practise exam-style multiple-choice questions right in Claude: start a round in one subject or all nine, get questions one at a time, answer, and see the right answer, the explanation and the official source (EASA, Transportstyrelsen, LFV, SMHI). Every answer counts towards your progress on nordvinge.se. You can also ask for your progress per subject and your weakest areas, upcoming lessons at your flight school, the status of school exams and homework, and how many flashcards are due. The right answer is only shown after you answer, at most 150 questions are handed out per day, and school exams and homework are taken only on nordvinge.se. Practising needs a Nordvinge licence, the free trial or a flight school that includes it; the overview tools work on any account. Questions and answers are in Swedish.
Tools: 12
Productivity
Nori
By Saber
Nori is a free inventory app for restaurants, bars and hotels. Connect your Nori account to ask what's running low, what to order from each supplier, what was delivered or wasted this week and how today's count is going. You can also log waste, flag an item as running low and add new items; you're asked before each change. Nori only shows what your role in Nori allows, for the venues you choose, and you can disconnect at any time in Nori's settings. What you can ask: - What's low or out of stock at a venue, including items your team has flagged - What to order from each supplier, with quantities - Stock levels for an item, a category, a storage area or a supplier - Recent deliveries and any problems noted on them - Waste over a period, by item, reason or day - How today's count is going, and past counts What Claude can change, after asking you: log waste, flag an item as running low or out, and add a new item (managers and owners). Changes show in Nori's Activity as "via Claude" and can be corrected there. What it can't do: delete anything, finish counts, send orders to suppliers, or see or change your team, billing or settings. Staff never see costs or values. To connect, you need a Nori account and an organisation. Sign in to Nori, pick the organisation and venues, and choose whether Claude may make changes.
Tools: 13
Financial-Services
NormAPI – German e-invoices (XRechnung, ZUGFeRD)
By NormAPI
NormAPI checks and creates German e-invoices from inside Claude. • validate_invoice runs the official KoSIT validator on an XRechnung (UBL or CII XML) or a ZUGFeRD / Factur-X PDF. It returns the verdict, the rule-set version and every finding. Each business-rule finding says what the rule requires, why invoices typically break it and how to fix it. • explain_rule explains any rule code that a rejection quotes, such as BR-DE-15, BR-CO-10 or PEPPOL-EN16931-R010. • parse_invoice reads a received e-invoice into structured data: parties, lines, totals and the VAT breakdown as the document states them, plus a list of every value it could not map. • generate_invoice builds an XRechnung (UBL or CII), a plain EN 16931 invoice for a business customer, or a ZUGFeRD PDF from invoice data. Totals are computed in decimal arithmetic, and the document is validated against the official rules before it is returned. Data the rules do not permit is refused, with the broken rules and how to fix each. Validation, parsing and rule lookups need no account. Generating uses the user's NormAPI account, with sign-in by email link. Invoices are processed in memory and never stored. Explanations come in English or German. This is technical validation against EN 16931 and the German XRechnung rules, not tax or legal advice.
Tools: 4
Finance
NormAPI – XRechnung & ZUGFeRD
By Dmytro Yalanskyi
NormAPI checks, reads and creates German e-invoices — XRechnung (UBL and CII XML) and ZUGFeRD/Factur-X PDFs — against the official KoSIT rule set, the one German public-sector portals use. Every result names the rule set version that produced it. What you can do: • Check an invoice. Upload the XML or the PDF and ask whether it is valid. You get the verdict and every finding, and each business-rule finding comes with what the rule requires, why invoices typically break it, and how to fix it, in English or German. • Read a received invoice. NormAPI turns it into structured data — seller, buyer, lines, VAT breakdown and totals exactly as the document states them — and lists anything it could not map, so questions about the invoice are answered from its data. • Look up a rule. Ask what a code such as BR-DE-15 or BR-CO-16 means and how to fix it. • Create an invoice. Describe the invoice and NormAPI produces an XRechnung (UBL or CII XML) or a ZUGFeRD PDF: an XRechnung for a public-sector buyer, a plain EN 16931 invoice for a business. Totals are computed on the server in decimal arithmetic, and the document is validated against the official rules before you get it; data the rules do not permit is refused, with the rules it breaks and how to fix each. Checking, reading and rule lookups need no account. Creating invoices needs a NormAPI account: you sign in the first time you create one, and each generated document counts against that account's monthly allowance. Invoices are processed in memory on servers in the EU and are never stored. NormAPI is technical validation, not tax or legal advice, and it does not send invoices to recipients or portals.
Tools: 4 · Prompts: 3
Developer-Tools
Norma by Quality Clouds
By Quality Clouds
Norma connects Claude to your organization's coding standards, so AI-written code follows your rules from the first draft. When Claude opens your repository, Norma detects the tech stack and serves the matching rulesets: JavaScript, TypeScript, React, Node.js, Vite, Supabase, Python, FastAPI, SQLAlchemy, PHP, and Adobe Commerce, plus SOLID architecture analysis. Each rule carries severity, fix guidance, and good/bad code examples, so the agent reads the standard before it writes a line. Every file can then be verified with Livecheck: a deterministic check that gives the same file, same rules, same verdict every time. No model opinions, no drift between runs. Norma also brings your repository's history into the session. Claude can read the open violations from your last full scan, each with the context to fix it, and work through them directly in your editor. The part auditors care about: every task ends with a signed entry in an append-only compliance audit trail, recording which rules were verified, which violations were fixed, which were prevented, and which model did the work. When your security team asks what the AI changed and against which standards, the answer is already written. Works with Claude Code, claude.ai, and any MCP client. Connect it to a linked repository for scoped rules, open issues, and the audit trail, or use it standalone for stack-aware checks on any file. Built by Quality Clouds, the code governance company behind 9 years of platform quality data.
Tools: 6
Productivity
Normal Framework
By Normal Software
Work with real building automation systems through Normal Framework. Discovers BACnet, Modbus, and Niagara/Fox devices; searches and trends points; builds Haystack and Brick equipment models; writes setpoints, overrides, and schedules; deploys automation hooks; and diagnoses device health across a single site or a whole portfolio. Use when the question is about a specific building's actual equipment and data — not for general HVAC or protocol explanations.
Tools: 22
Data & Analytics
Normalic Assistant
By Normalic
Normalic Assistant connects Claude to your organization's Normalic account, so you can ask about your manufacturing data without leaving the conversation. Ask about workstation performance, production reports, detected insights and anomalies, product and operator productivity, and tracked tasks — the same assistant available inside the Normalic app, now reachable from Claude. Each person connects with their own Normalic login. There's no shared account or API key — access is scoped to whichever organization you belong to, the same permissions you already have in Normalic. Requires an existing Normalic account with the MCP Assistant feature enabled for your organization.
Tools: 1 · Prompts: 3
Finance
Norman
By Norman AI Inc.
Norman lets you issue invoices and close your books without leaving ChatGPT. Sync your bank transactions, send invoices, upload receipts, and file taxes - all while talking naturally with ChatGPT. No accounting jargon, no 15 clicks to reconcile an invoice. When was the last time you issued an invoice by voice? Norman securely connects ChatGPT to your financial workspace, making financial management effortless.
Tools: 276 · Prompts: 3
Financial-Services
Norman Finance
By Norman AI Inc.
Norman lets you issue invoices and close your books without leaving Claude. Sync your bank transactions, send invoices, upload receipts, and file taxes — all while talking naturally with Claude. No accounting jargon, no 15 clicks to reconcile an invoice. What you can do: • Invoicing — create, send, and track invoices, including recurring and ZUGFeRD e-invoices • Bookkeeping — categorize transactions, match receipts, and verify entries • Client management — maintain your client database and contact details • Tax filing — generate Finanzamt previews, file VAT returns, and track deadlines • Company overview — check your balance, revenue, and financial health at a glance • Documents — upload and attach receipts, invoices, and supporting files Norman securely connects Claude to your financial workspace via OAuth — your password never touches the AI. Built for freelancers and small businesses at the heart of the European economy.
Tools: 67
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