"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Who the anonymous Upwork client is, what they actually pay, and what the market charges.
Live USPS, UPS, FedEx and DHL rates from the US: domestic, Canada, UK, Germany, Australia. No scale.
Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
Generate, validate and read Factur-X / EN 16931 e-invoices (France, EU): PDF/A-3, CII, UBL 2.1.
Go MCP server for GitLab: 2 dynamic tools reach 1000+ REST/GraphQL actions. Free/CE, no paid tier.
Scan, fix and verify DNS: SPF, DMARC, DKIM, propagation, DNS health, expiry. Validated fixes.
# TrueCalci Precision Compute Engine Deterministic statutory, financial, and engineering computational tools for AI agents, developers, and autonomous workflows over the Model Context Protocol (MCP). ### Capabilities (25 Verified Engines): - **Specialist FinOps:** Remote Contractor vs. W-2 Parity, S-Corp Reasonable Compensation (IRS Rev. Rul. 74-44), Solo 401(k) Shelter, Cross-Border FX Drag, Billable Capacity Floor. - **Global & Cross-Border Tax:** US Form 2555 FEIE Nomad Stacking, B2B Foreign
Read-only discovery for 389 Malaysian public datasets with freshness, licence, and provenance.
Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Price benchmarks, alternatives & daily price history across 17,000+ AI agents and MCP servers.
Schedules, scores, odds, splits & explainable AI bet confidence — 8+ sports, free instant key.
Verified fixes, professional reviews, and evidence-led apparel over MCP.
Live power, energy, grid, gas, fiber & data-center site-selection infrastructure — query and cite.
Satellite SAR analysis: ship, oil slick, building change, and time-series change detection
This tool empowers MCP-compatible clients (like Cursor and Claude Desktop) with professional-grade capabilities for financial data extraction, and report analysis.
Daily exit context, depth, tiers, and sealed records. No commodity futures or execution authority.
101Shared private memory layer for AI agents. Write context once, carry it across Claude, ChatGPT, Grok, Cursor, Replit, Bolt, Lovable, Devin, v0 and more. Supports reusable SKILL.md bundles for agent skills discovery. OAuth 2.1 + API key auth.
Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.
