Resources or services available for free MCP Connectors

AlgoVault — Crypto Quant Trade Calls A

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Finance Cryptocurrency Research & Data

735

FreightUtils MCP Server A

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

E-commerce & Retail Travel & Transportation

2414

Aspicio A

DXF drawings for AI agents: structured facts, PNG renders, and an interactive in-chat viewer.

Design Tools Workplace & Productivity

42

ClearMarket A

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Finance Research & Data

611

MVR API - Minimum Viable Relationships A

Read-only MVR preflight for market trust, permission, evidence gaps, and readiness in Africa.

Research & Data

71

MCP Toplist A

Search 77,000+ MCP servers ranked by real adoption data to find the right one for any task.

Search Developer Tools

22

HORIZON SHIELD KIRA A

Fair-price auditor for Japanese construction estimates, returns tamper-evident receipts (SHA-256)

Finance Open Data Real Estate

141

Agent402.Tools — pay-per-call web tools A

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

Agent Orchestration Browser Automation Search

1515

HORIZON SHIELD WebMCP Intake A

Intake desk for AI agents: bridges construction quotes to KIRA fair-price audit and EHN check.

Finance Legal & Compliance

41

Veezee: LinkedIn people & company data for agents A

LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.

CRM Social Media

61

livetennisapi-mcp A

Real-time tennis scores, players, odds and model win-probability for ATP, WTA, Challenger, ITF.

Sports Research & Data

121249

OrchestKit Docs MCP A

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Documentation Access Search

21186

Dados Abertos Senado BR MCP A

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

Government Data Open Data

6714

Uphealth Signal A

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

Health & Wellness Communication

51

Omniology A

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Blockchain Cryptocurrency AI & Machine Learning

3311

Spala Public MCP A

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.

Developer Tools Security

161

agent-guild A

Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.

Autonomous Agents Security

301

~Alter Identity A

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

AI & Machine Learning Cryptocurrency Security

1411

SplitLaunch A

MCP server for agent-run URL A/B testing. Create projects, allowlist domains, launch URL experiments, track conversions, and retrieve performance reports for customer-owned sites.

Agent Orchestration Marketing

231

bitfence A

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Blockchain Cryptocurrency Autonomous Agents

31

"Resources or services available for free" matching MCP connectors: