Improving and Refining Prompts for Various Uses MCP Connectors

Yakumo Verification Gate: conformance and disclosure checker for MCP servers A

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Developer Tools Testing & QA Tools API Testing

411

ClearMarket A

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

Finance Research & Data

623

JIDEC: Bitcoin-anchored public verification ledger (NENRIN)A

Cite and independently verify Bitcoin-anchored construction-estimate audit records.

Blockchain Legal & Compliance

411

FreightUtils MCP Server A

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

E-commerce & Retail Travel & Transportation

2424

Strale - 290+ API capabilities for AI agents A

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Autonomous Agents Monitoring Observability

924

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

Agent402: 500+ pay-per-call tools for agents over x402 + MPP or free via PoW. Agentic Finance

Agent Orchestration Browser Automation Search

1528

nlqdb — analytical memory for AI agents AOAuth

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Databases Knowledge & Memory Search

531

HORIZON SHIELD: Construction Estimate Auditor for Japan (KIRA)A

Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.

Finance Open Data Real Estate

521

squirrelscan A

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

Browser Automation Monitoring Web Scraping

182254

OrchestKit Docs MCP A

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

Documentation Access Search

23186

1cent Web Intelligence for AI Agents A

SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.

Web Scraping Monitoring

462

HORIZON SHIELD — construction & renovation estimate auditor A

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Finance Open Data Real Estate

1421

RightAIChoice A

Verified data on 8,000+ AI tools for any AI assistant: live status, pricing reality, user sentiment, viability, and alternatives, every answer carries a last-verified date. Free, read-only, no auth.

71

SteamGPT A

Steam profiles, SteamID conversion, bans, FACEIT stats, friends and comparisons. Free, no API key.

Developer Tools Games & Gamification

92

TracePass A

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.

ERP Systems Legal & Compliance

621

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

745

Lawbster A

MCP server for German & EU law. Verified, citable legal context for any LLM. Daily updates from official sources, hosted in Germany

Legal & Compliance RAG Systems Vector Databases

113

eSIM Tabby A

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Travel & Transportation E-commerce & Retail

111

Redeal A

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

Autonomous Agents Blockchain

121

PubFi MCP A

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

Cryptocurrency Blockchain

32

"Improving and Refining Prompts for Various Uses" matching MCP connectors: