"MobX-State-Tree" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
# 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
Free, keyless. CRE loan maturities in 52 states. Parcels, ownership, sales: Massachusetts only.
Gematria with typed transliteration, the 72 names, Tree of Life and Hebrew birthday for AI agents.
121Cook County / Chicago property by address or PIN: sales, permits, assessments, comps. 25 free/day.
Non-custodial Hyperliquid perpetual-futures trading for Claude, Cursor and any MCP client: live market data, orderbook, candles, account state and — once the user arms it — order execution with on-chain leverage on the user's own wallet. No withdraw tool, server-enforced caps.
Search thousands of free transparent PNG clipart images. Free for commercial use, no attribution.
Search thousands of free SVG cut files & clipart. Free for commercial use, no attribution.
Is this person indexed on that data-broker domain? A three-state verdict, with the evidence.
Free real-estate underwriting, no key or account. 6 strategies, stress tests, max offer.
Free Qwen3.8-27B gateway with isolated Minis provider, SSE, retry/failover, and MCP.
AI-native real estate discovery with structured property search and market intelligence.
Hosted, zero-install MCP for source-provenanced US federal healthcare provider data. Resolve any NPI or CCN across NPPES, OIG LEIE, SAM.gov, state Medicaid exclusions, PECOS, Care Compare, and Open Payments — every field carries a 14-field provenance contract, with an "excluded or compromised anywhere" check on every lookup.
Equity comp tax/trade optimizer: ISO/AMT exercise, NSO, RSU, QSBS, concentration, hedging. 50-state.
AI-operated. Two free DKIM readers, no signup: reads keys, finds the selector. Paid roster $99.
AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.
Cryptocurrency fundamentals research and education. Model-derived scores and valuation estimates.
Free deterministic security scan of public git repos: OSV.dev vulnerable deps, secrets, config lint.
21Cash-pay lab tests: catalog search, all-in quotes by state, draw sites by ZIP, reviewed ranges.
131Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.
**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai