MCP servers for Perplexity

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

NASA MCP — wraps NASA Open APIs (api.nasa.gov)

Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless.

NYPL Digital Collections MCP.

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

Open Topo Data MCP.

OpenStreetMap Overpass MCP — programmatic queries against the OSM database

RubyGems MCP — wraps the RubyGems.org public API (free, no auth)

Tradier MCP — stock & options market data via the Tradier Brokerage API

Generate images with any major model — one API key, one prepaid balance, one MCP.

Real-time electricity market data from PJM Interconnection, the largest US grid operator (13…

Polymarket trader analytics for AI agents: rank wallets, read trader metrics, backtest strategies.

Family calendar, tasks, meals, lists & rewards hub for AI assistants.

Send transactional email and read send activity through the Postlane API.

Total landed cost API for cross-border commerce. 240 countries, 113M+ tariff records.

Prime testing, factorisation and searches offline with BigInt: Miller-Rabin and Pollard rho

Local MCP server that optimizes rough prompt drafts using a local Ollama model

Check a prompt-template pack from supplied templates: variables, versions, test renders.

Detection-resistant browser automation aimed at safely driving real browsers.

Search, inspect, and install 400+ QA testing skills from qaskills.sh into any MCP client.

AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.