"MCP servers that don't require API keys" matching MCP connectors:

Generate PDF/DOCX/XLSX/PPTX from templates+JSON. Convert Office/HTML/MD to PDF. Universal templating

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

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

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

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

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

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

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

Cerca de text complet al pla Catalunya 2022 - RESET: 3 àmbits, 12 objectius, 91 accions. CA/EN/ES.

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

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

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

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

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

Company intelligence via UK Companies House and risk screening across 386 risk data sources.

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.

Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.

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

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