"Resources for accessing on-chain blockchain data" matching MCP connectors:

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

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

Find novel, statistically validated patterns in tabular data — hypothesis-free.

Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.

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.

Formula-backed WorkPaper tools for workbook readback, input edits, and JSON persistence.

Multi-tenant FastMCP server for Charles Schwab brokerage data, monetized via DPYC Tollbooth

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.

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Live job postings for AI agents: search normalized postings from 30+ ATS feeds and job boards by title, skill, country, remote, seniority and recency. Also lists sources and pricing plans.

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

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

Governed data discovery, exact queries, decisions, simulations, and runtime utilities over MCP.

Live data gateway for AI — 3,300+ tools across 750+ sources, with citations

297 data tools across 90 MCP servers via one gateway. Free trial header; x402 USDC on Base.

Composes + runs multi-step external-data workflows for one quoted USDC price (x402).

MCP server for Codat — companies, connections, invoices, bills and financial statements.

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

x402 LLM proxy + data-enriched analysis (17 sources) + TimesFM predictive IoT intelligence.