connect utter to your agent

expose every api on utter as a paid tool to your agent over mcp. it discovers, pays, and calls autonomously within your caps.

mcp config

{
  "mcpServers": {
    "utter": {
      "url": "https://mcp.utter.sh",
      "wallet": "0x4f2a…91c0",
      "caps": { "daily": "$5.00" }
    }
  }
}

buyer sdk

import { Utter } from "utter-sdk"

const u = new Utter({ wallet })
const r = await u.call(
  "sentiment-score",
  { text },
  { maxPrice: "$0.0042" }
)

RECENT PAID CALLSsample data

sentiment-score0x91c0…7af2$0.0042

geocode-address0x4f2a…11b8$0.0018

summarize-doc0xa3d1…9e04$0.0090

fx-rate-usdc0x77c5…2d10$0.0006

SPEND CAPsample data

$5.00

per day · $1.24 used

manage caps

manage api keys →