"Search for free open-source software" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Accounts receivable automation for Xero and QuickBooks Online, inside your AI assistant. Ask Claude, ChatGPT or any MCP client for a receivables summary, find customers and invoices, read the email and SMS replies your customers sent, and see what Paidnice sent or skipped. Ask why a reminder, late fee or statement did or did not go out, and update a customer's contact people straight into your ledger. Secure OAuth sign-in. One connection covers every organisation you tick, with Read or Read and Write access.
Read-only UteamUP CMMS connector for finding assets and work orders and viewing asset details through five tools. Sign in with OAuth; access follows your company permissions.
Accounts receivable for Xero and QuickBooks Online: customer replies, contacts and invoices.
SAP AI & analytics market data for agents: SAP firms, day rates, jobs, Joule & BDC news
Odoo MCP connector for ChatGPT and Claude: ask sales, invoices and stock in plain words. Read-only.
Financial OS for small businesses: transactions, invoices, customers, time tracking and reports.
Double-entry books an agent keeps as the user: invoices, VAT returns, 174 country packs.
Bookkeeping for Swedish small businesses: AB, enskild firma, handelsbolag. Invoices, VAT, payroll.
IQ Books is an AI-native UK ledger that does the bookkeeping for you. Bank transactions arrive already coded, receipts and bills file themselves, invoices are allocated, the bank is reconciled, and VAT and MTD for Income Tax updates go to HMRC from it. Through this connector Claude can read the reports, raise invoices, record payments and code bank statements, with every change shown as a plan you approve first. UK businesses; the ledger is free for one business, and there is a free demo company to try.
Integration briefs for ERP, storefront, warehouse, CRM and accounting systems, scoped and quoted.
AI accounting: ask about your live AccountsOS books in plain English. Read-only tools for transactions, cash balances, invoices, bills, VAT, filing deadlines and reports across 32 countries. OAuth sign-in; free 14-day trial at accounts-os.com.
Connect your Odoo to Claude and ChatGPT: ask about sales, stock, customers and invoices.
I connect Claude to your own Oracle Cloud EPM pod and help the people who run EPM check jobs, run rules, load data and read metadata or a slice of numbers. Each person connects as themselves, so Oracle applies their own roles. I encrypt credentials on my server; they never reach Claude. Every call passes a policy check and is logged. Risky writes ask for confirmation first, with a preview of what will change. On a production pod that is every write. The activity log holds no cell values.
QuipAssist's MCP server lets an assistant look up equipment, repairs, work orders, maintenance schedules, parts, vendors, IoT readings and reports across the sites a user can access. With write access it drafts repair, maintenance and parts changes, which wait for human review by default. An agent can never dispatch work, sign off safety steps, approve spending or send messages.
Doing Work is field service software that a shop runs from ChatGPT, Claude or Grok. Jobs, quotes, invoices, payments and scheduling, with a person approving anything before it reaches a customer.
Every Xero organisation you run, in one AI session. Writes wait for a person to approve them.
AIProcurement.club offers 42 MCP tools: 27 procurement specialists, 6 fixed workflows, 2 saved-report recovery tools and 7 read-only evidence tools. Five file tools provide local PDF/DOCX/PNG/JPEG extraction, English OCR, page quotes, keyword search and exact order-document checks in private temporary RAM on AIP; no corpus or Gateway memory is added. File tools require agent:read; the two existing tenant-scoped PO/invoice readers require p2p:read. For AIP-only file handling, connect directly to https://mcp.aiprocurement.club/mcp with Authorization: Bearer YOUR_SCOPED_AIP_KEY; do not submit documents or keys to directory test profiles. Paid agents are separate: external-inference consent and prepaid AIP access (from $10/job) apply. Use one stable idempotency key per paid job for saved-result replay. Setup: https://aiprocurement.club/agent-services/for-agents.
Inventory, orders, purchasing and accounting for multi-channel e-commerce businesses.
Connect any AI assistant to Odoo 16-19 via OAuth 2.0 + PKCE. 400 free calls, no local install. Plans from 9/mo.
Field workforce scheduling for AI agents. GPS punches, forms, timesheets. No dashboard.
Connect any AI assistant to Odoo 16–19 via OAuth 2.0 + PKCE. 400 free calls, no local install.
Make an accounts receivable aging report from your open invoices and see who owes you money.
Accounting MCP for French LMNP furnished rentals: income, expenses, depreciation, tax return & FEC
Job cards for on-site crews: labour hours and materials per job, client signature, totals.
DATEV financial data for AI assistants: P&L, KPIs, bookings, budgets and monthly reporting.
Free to compete: testnet faucet funds everything. Accept profitable rush orders and sequence…
Free to compete: testnet faucet funds everything. 12 synthetic freight bill exception cases:…
Free to compete: testnet faucet funds everything. Audit a fictional accounts-payable queue.…
Receipts you've read to Excel, CSV, Xero or QuickBooks files, VAT split per rate. Free.
Free to compete: testnet faucet funds everything. Assess supplier rollout readiness from…
Free to compete: testnet faucet funds everything. 12 synthetic resume exception cases: duplicate…
Free to compete: testnet faucet funds everything. 12 synthetic requisition exception cases:…
Free to compete: testnet faucet funds everything. 12 synthetic invoice exception cases: duplicate…
Free to compete: testnet faucet funds everything. Reconstruct sellable stock from retries, clock…
Free to compete: testnet faucet funds everything. 12 synthetic accounts-payable exception cases:…
Free to compete: testnet faucet funds everything. 12 synthetic accounts-payable exception cases:…
Free to compete: testnet faucet funds everything. 12 synthetic accounts-payable exception cases:…
Free to compete: testnet faucet funds everything. 12 synthetic access request exception cases:…
Work orders for site jobs: parts and labour, status steps, completion reports, invoice lines.
The integration hub for your CRM, field service and accounting apps: integrations and AI agents.