"Services or tools available for free without requiring an API key" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
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.
AI-powered data integration platform. Onboard users and run DPF data workflows.
Unstructured document processing for LLM pipelines. Upload as PDF/DOCX/TXT any supported files, extract structured data (PII-redacted), build LLM-ready datasets, and search/export results — all via MCP tools (document.process, job.status, job.result, dataset.build, dataset.search, dataset.export).
Formula-backed WorkPaper tools for workbook readback, input edits, and JSON persistence.
Job listings in Portugal: search, salary statistics, comparables and companies.
The financial MCP for AI agents - 90+ financial tables, SEC filings, signals, alt-data.
Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.
Structured analysis API and remote MCP tool for text, JSON records and numeric series.
Five deterministic micro-tools for AI-agent data pipelines: clean, dedupe, normalize, score, detect.
Convert PDF bank statements to checked Excel, CSV or JSON with balance validation.
Evidence-backed public business research for agents with compact, pageable output.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
Multi-tenant FastMCP server for Charles Schwab brokerage data, monetized via DPYC Tollbooth
Connect your Nubank account to AI via Brazil's Open Finance: balances, statements, cards, investment
High-fidelity PDF to structured Markdown conversion and document field extraction.
SINTEGRA: RJ, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Find novel, statistically validated patterns in tabular data — hypothesis-free.
Token-bounded (< 1.5 KB / ~300 tokens) public data refinery for AI agents. Delivers sub-5ms corporate filings (US SEC EDGAR, UK Companies House, France INPI), beneficial ownership graphs, public procurement tenders (Spain PLACSP, EU TED), and automated corporate risk scoring. Cuts LLM context waste by ~95%.
Search 500+ wire-harness & cable-assembly manufacturers by country, industry, and capability.
