The real catalog of tools for AI agents

GSA CALC+ ceiling labor rates — what vendors may charge per hour under GSA

GSA CALC+ awarded labor ceiling rates from 230K+ MAS contracts. 8 tools.

GSA CALC+ awarded labor ceiling rates from more than 230,000 MAS contract records. 8 tools.

GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov)

GSA Auctions API MCP — US federal government surplus auctions (keyed).

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

Evaluate a+b style arithmetic. Expression discarded.

GSA Per Diem federal travel lodging and M&IE rates. 6 tools.

GSA Per Diem access readiness, lodging, and meals and incidental expense rates. 7 tools.

Free educational MCP for read-only eDiscovery news and TAR/review calculators.

Exact arithmetic for AI agents. Two independent engines cross-check every result.

Russian tax calculators (VAT, USN, NDFL) and FNS fiscal-status checks via MCP.

IP address and subnet calculator, CIDR notation

MCP server for IP calculations: subnets, CIDR, ranges, network info.

US federal income tax estimates: brackets, marginal rate, effective rate. Planning values.

21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.

Policz diete za delegacje krajowa i zagraniczna wedlug rozporzadzenia oraz stawek HMRC i GSA.

Daily travel allowances from bundled public rate tables: Poland, HMRC and GSA CONUS.

Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.

Maths a model gets wrong: units with dimensional checking, equations, sheets. 5 tools, local.