"A tool or algorithm to convert code into a tree structure" matching MCP connectors:

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.

Turn PDFs and images into typed fields — invoices, receipts, IDs and custom models — via Mindee OCR.

Search live job postings from 30+ ATS feeds and job boards, normalized to one schema.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

Scrapingdog MCP — wraps Scrapingdog (scrapingdog.com), a proxy-based web

Auto-discover validation rules from data — scan, profile, health-score. No rules to write.

Fuzzy entity resolution and dedupe for names, addresses, and company records — the "is this the same person/company" problem that breaks exact-match joins. Clean CRM exports, merge duplicates, reconcile vendor lists. Pay-per-call via x402 (USDC on Base): $0.008/call, no account or API key. tools/list and /openapi.json are free for discovery.

Query, join, profile, clean and convert CSV/JSON/Parquet with server-side DuckDB over MCP.

Excel analytics: inspect, query (JSON rows), charts, and JSON-to-xlsx workbook writing.

Cross-tool context for your data stack. Search, lineage, and impact across warehouse and BI tools.

AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.

Self-hosted, open-source MCP gateway: turn any API, database or MCP server into custom connectors for Claude, ChatGPT, Gemini, Copilot & Cursor — no code. Converts REST, SOAP, WSDL, GraphQL & SQL to MCP, with OAuth2, RBAC & audit log. 175+ pre-built adapters. This is the public read-only demo endpoint — run your own at https://github.com/HelpCode-ai/anythingmcp

Connect your Nubank account to AI via Brazil's Open Finance: balances, statements, cards, investment

Document processing, data conversion, and web content APIs for AI agents. All tools are free via MCP. Also available as a paid x402 Agent API (Stellar XLM or Solana USDC, no API key required). Tools: extract text from PDFs, merge PDFs, generate QR codes, convert CSV to/from JSON, count words/stats, and fetch + clean any public URL with Mozilla Readability.

AI web extraction: send URLs + a JSON Schema, get clean structured data. Pay-per-use via x402.

Turn documents into structured, AI-ready data by parsing, enriching, chunking, and embedding.

RChilli MCP Hub is a production-grade MCP server that exposes RChilli's full HR data intelligence platform as 17 AI-callable tools across 4 categories. Built on 15+ years of HR data intelligence, it is trusted by ATS vendors, HR technology platforms, staffing agencies, and enterprise recruiting teams worldwide. Every tool is read-only and returns a consistent, structured JSON response — no raw exceptions, no inconsistent formats.

List reverse-ETL sources, destinations, models, syncs and runs; trigger syncs into SaaS tools.