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mcp/harbor
Verified official

x402 Toolbox MCP

v1.0.0

io.github.swiftbotlab/x402-toolbox

62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.

transport:streamable-http tools:62
View source Website

Target client

run in your project directory 

claude mcp add --transport http x402-toolbox https://x402-toolbox.swiftbotlab.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

dns_lookup

dns lookup

dns_mx

dns mx

dns_reverse

dns reverse

dns_spf

dns spf

dns_dmarc

dns dmarc

email_validate

email validate

email_security

email security

domain_rdap

domain rdap

web_extract

web extract

web_metadata

web metadata

web_links

web links

web_headers

web headers

web_robots

web robots

web_sitemap

web sitemap

html_extract

html extract

url_parse

url parse

evm_address

evm address

evm_contract

evm contract

evm_selector

evm selector

evm_selector_lookup

evm selector lookup

abi_encode

abi encode

abi_decode

abi decode

calldata_decode

calldata decode

evm_tx

evm tx

evm_token

evm token

evm_balance

evm balance

evm_gas

evm gas

ens_resolve

ens resolve

evm_units

evm units

evm_verify_message

evm verify message

x402_check

x402 check

x402_search

x402 search

ip_info

ip info

cidr_info

cidr info

cidr_contains

cidr contains

cidr_split

cidr split

cidr_aggregate

cidr aggregate

ip_range_to_cidr

ip range to cidr

json_validate

json validate

json_format

json format

json_query

json query

json_diff

json diff

csv_to_json

csv to json

json_to_csv

json to csv

text_stats

text stats

text_diff

text diff

text_transform

text transform

hash

hash

hmac

hmac

encode

encode

uuid

uuid

jwt_decode

jwt decode

random

random

unit_convert

unit convert

time_convert

time convert

time_diff

time diff

cron_next

cron next

color

color

currency_convert

currency convert

semver

semver

iban_validate

iban validate

user_agent

user agent

All 62 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.