Research MCP Servers for OpenAI Agents SDK

ETH Library Discovery API

Airtight math for AI agents: 3.68M-doc theorem search + numeric/Lean verification. No LLM, no key.

Evidence-backed verification for citations, packages, repos, cases, filings, drugs, x402 sellers.

Singapore business directory. Search companies, UENs, and SSIC industry classifications.

Multi-step web research with citations via Perplexity's Agent API. Standard library only.

Automated AI research toolkit: hypothesis generation, experiments, and paper writing

Find GitHub implementations of arXiv research papers — paper lookup, ranked code, search.

Search the Digital Public Library of America; reach the holding institution's record and images.

Read-only MCP server for DSpace 7+ repositories

Read-only enterprise research MCP: frameworks, frozen snapshots, sourced results. No trading advice.

MCP server wrapping the Crossref REST API for scholarly metadata.

Verified pricing data for 50+ SaaS products. Query, compare, and calculate team costs.

Statistics Sweden’s open data made available as an MCP server, using Python and FastMCP

Search and retrieve scholarly metadata from the Crossref REST API

Search stories and discover OSINT sources in Taranis AI.

Deterministic research state, evidence validation and statistical recomputation.

AMiner MCP Server - Academic Paper Search Service

Search arXiv, fetch metadata, and read papers (HTML→Markdown with PDF fallback) — CLI and MCP server.

Historical geography for AI agents: polities, GeoJSON borders, chains & events, 4500 BCE-today

Search scientific papers from any MCP-compatible AI tool. Raw experimental data from full-text studies — methods, results, quality scores

German archive finding aids (DDB); civil and church registers of BW, NRW, RLP and Hesse.