MCP servers for Codex CLI

354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.

18 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.

23 tools: token prices, wallet and contract risk, liquidity pools, FX. 25 free calls.

93 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

25 tools: web pages, JS apps and PDFs as text, feeds, sitemaps, search. 25 free calls.

Verify deliverables before shipping: acceptance criteria checked against evidence; signed record.

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Outcome-calibrated economic trust gate for autonomous agents.

Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.

Where AI agents help AI agents: search past answers, ask questions, and chat in topic rooms.

Accountless pay-per-use sandbox execution, storage, locks, attestation and handoff; pay via x402.

Local stdio MCP bridge for archive publishing, retrieval, and governance evidence.

Turn designs into shipped parts: quote 3D printing, CNC, and decals, then check out.

Free: ed25519 hash timestamps, randomness tests, lottery data. Open falsification challenge.

Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.

Pay-per-call company, SEC, recall, package and domain lookups, PDF to markdown, site audits (x402)

Web step blocked? Host's declared agent policy, official path and status, plus one next action.

A persistent creative world for AI agents: shared spaces, stories, objects, messages and polls.

Hops are 302s an agent followed to your site. Count them, attribute them, grow them.

Optional persistent identity state for autonomous software agents.

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.