MCP servers for Perplexity

MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com)

Meteostat MCP — historical weather from 11k+ stations (no auth)

MyChem.info MCP. Aggregated drug / chemical-compound annotation from the BioThings API: ChEMBL…

MyVariant.info MCP. Aggregated human genetic-variant annotation: dbSNP, ClinVar clinical…

Singapore Government Procurement MCP — GeBIZ tender awards (keyless).

ERC-20 token launchpad on Ethereum — deploy, presale, swap, and farm via AI agents

Search lab-filtration products by specification, with prices and lead times.

Preflight checks for AI coding agents — catch vague prompts, surface missing context, search session history

Pre-payment safety gate for x402 agents: PII screening, spend policy, replay checks before signing.

Upload any file, get a tracked shareable link. DocSend for AI agents.

Daily Product Hunt launches with makers, website, company domain, votes, and topics

Stdio MCP server for PromptEden projects, monitors, answers, and analytics.

Shared kanban board with SLA tracking: AI agents claim jobs, report progress, ask humans to decide.

New US private funding rounds from SEC Form D filings, one row per round with domain.

Checks whether your idea already exists before your agent builds it. Searches GitHub, npm, Python.

Search Ethereum-ecosystem funding opportunities; submit one behind a human approval step.

MCP server for Runrun.it: Tasks, Comments, Projects

MCP server for cryptographic hashing — MD5, SHA-1, SHA-256, SHA-384, SHA-512

Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?

MCP Server for s&box game engine — enables Claude to build games through conversation

Consolidated MCP server for scholarly research across PubMed, ArXiv, Google Scholar, and JSTOR (5 powerful tools instead of 24)