MCP servers for Codex CLI

Who to trust among people: your trust graph, perspectives, bridges and introductions for your agent

See who wins US federal contracts and grants (USAspending.gov). $0.02/call via x402.

US race matchups — one call per federal race: who holds the seat, who is running, which of them…

USPS state code AK.

USPS state code AL.

USPS state code CA.

USPS state code KS.

USPS state code KY.

USPS state code LA.

USPS state code MN.

USPS state code MT.

USPS state code NY.

USPS state code RI.

USPS state code WA.

USPS state code WI.

USPS state code WV.

US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.

Find the right US tariff code for a product and the duty rate that actually governs it.

Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up.

Live tools for USDi: CPI-indexed exchange rate, contract/pool addresses, and mint/redeem mechanics.

Real estate market intelligence, calculators, and capital advisory for US investors.