The real catalog of tools for AI agents

Exact calculators (loans, dates, units, LLM tokens, API cost, VRAM) + prefilled nanocalcs.com links

PubChem MCP — NIH chemistry compound database (no auth)

Free Vedic astrology: birth chart, dasha, Sade Sati, Saturn return, panchang, planetary hours.

USGS Mineral Commodity Summaries (MCS) — U.S. production, imports, exports, consumption, price…

Premium agentic endpoint for conflict-minerals-audit-mcp.

Read-only cannabis compound, receptor, anatomy and evidence data, every value sourced.

Anonymous public tools for Raintree Minerals. See the published agent boundary before use.

Compound Labs: eight keyless lookups. Model pricing, dep health, stack cost, registries.

Read-only Texas oil & gas data: operator directory, county production, and dataset catalog.

Find what users hate about competing apps and games: App Store and Steam reviews. No API keys.

Source-backed US market signals: insider filings, Congress trades, institutions, consensus.

Compound - 8 tools for lending rates, supply, and borrow data

Explore Valor services and prepare a contact request for the user to review and send on Valor.

Discover high-impact keyword ideas across Central and Eastern European and English markets. Analyz…

Local-first shared memory for multiple AI agents that compounds with use; Markdown + git, MCP + CLI.

81 chemistry tools — literature, calculations, retrosynthesis

Ceramic glaze chemistry: unity formulas, limit checks, substitutes, cones and potters' guides.

Lab math: reconstitution, unit conversion, C1V1, molarity, percent w/v, serial dilution.

Biomedical data: compounds, drug info, and molecular targets

Deterministic MCP for AI agents: drug discovery, ADMET, docking, LNPs, DoE, retrosynthesis, ICH M7