Exploring Gemini Services or Tools That Don’t Require an API Key MCP Connectors

HemmaBo Host Booking Engine A

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

E-commerce & Retail Travel & Transportation

1322

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

FreightUtils MCP Server A

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

E-commerce & Retail Travel & Transportation

2524

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

OrchestKit Docs MCP A

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

Documentation Access Search

23186

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

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

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

Undertow market liquidity and exit-cost tools A

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.

Cryptocurrency Finance

92

Seiche — funding-stress terminal A

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

Finance Open Data Research & Data

921

Sausage Web A

Read any page or file as clean text, plus live news, weather, market holidays and timezone lookups for agents. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Browser Automation Search Weather Services

121

Redeal A

Neutral fairness computation for agents: two or more parties submit sealed inputs, a published deterministic algorithm runs (fair division, verifiable random selection, Shapley shares), and every party receives an identical signed certificate anyone can re-run and verify for free.

Blockchain Security

121

BananaBanana Image & Video Generation A

Generate images & video (Nano Banana, Veo, Omni) pay-as-you-go. No subscription, crypto payments.

AI & Machine Learning Image & Video Processing

92

VarynForge A

SEO research SaaS exposed as 30+ MCP tools. Forge niche analysis, plans, and writer-ready briefs.

Marketing Search

572

Bankstatemently A

Convert PDF bank statements into structured transactions, accounts, and balances.

Finance

1531

"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP connectors: