Free tools or resources that do not require an API MCP Connectors

TickerDB A

Pre-computed market data that improves agent reasoning, reduces token usage, and replaces pipelines.

Finance Search Data Platforms

923

x402watch A

Wash-filtered intelligence for x402: categories, services, wash analysis, trends.

Research & Data Data Platforms

521

Sugra API A

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

Search Open Data Data Platforms

1122

Bilig WorkPaper A

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

Workplace & Productivity Finance Data Platforms

8235

Pronto A

The first low-latency wire service purpose-built for AI agents. Ingests 54+ public APIs and 71k RSS feeds across 232 countries, outputs CWF (Cognitive Wire Format) – 80% shorter than JSON, sub-second WebSocket delivery. 9 MCP tools: get_latest_signals, search_signals, get_fused_signal, scope_signals, get_facet_manifest, list_facets, get_related_signals, list_data_sources, get_billing_profile. 26 citable fusion products with verifiable formulas – no black-box scores.

Search Data Platforms RAG Systems

91

anythingmcp A

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

Agent Orchestration Data Platforms App Automation

42169

AgentDataHub Gateway B

x402 data & AI gateway: 194 services + AI Gateway free data (save 50-90% tokens).

AI & Machine Learning Blockchain Data Platforms

361

mcp A

Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).

API Testing App Automation Data Platforms

4215

Mdkit A

Document-to-Markdown MCP server — convert PDF, Office and HTML into LLM-ready Markdown.

Developer Tools RAG Systems Data Platforms

31

Disco A

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

Research & Data Data Platforms Databases

1427

Kairos Signal — Neural ODE DAG + Data Products A

256-dim DAG Manifold engine. 10 MCP tools. 27 Stripe products. Free tier: 50 queries/day.

AI & Machine Learning Data Platforms

102

TunnelMind Data API B

Tracker / Sigil / Cross-lens — every TunnelMind Data API operation as one MCP surface.

Data Platforms Monitoring

932

Krosos A

Your accounting ledger as typed tools: net worth, holdings, history, tax estimates, trade logging.

Finance Data Platforms

81

census A

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

Data Platforms Customer Data Platforms

132

PII Redact A

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.

Security Data Platforms AI & Machine Learning

12

Entity Resolve A

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.

CRM Customer Data Platforms Data Platforms

12

Tech.eu Funding Explorer A

Search European tech funding rounds, companies, investors and exits — sourced, EUR-normalized.

Finance Data Platforms Research & Data

72

Json A

JSON tools MCP.

Developer Tools Data Platforms

342

Pipeworx A

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