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Max UUID constant
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid-max/mcp · website · measurements and detailsNil UUID constant
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/uuid-nil/mcp · website · measurements and detailsOne workspace of tools for Claude and ChatGPT: connect 600+ apps, generate media, build tools.
MCP endpoint :https://www.constants.io/api/mcp · website · measurements and detailsFinds the tax years, statutory limits, filing thresholds, rates and deadlines hardcoded in payroll a
Package npm :@readystack/tax-year-constant-drift-lint · website · measurements and detailsCountries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.
MCP endpoint :https://reference-data.caseyjhand.com/mcp · website · measurements and detailsConstruction takeoff calculators (concrete, gravel, asphalt, roofing) and sourced constants.
Package npm :takeoffmetric-mcp · website · measurements and detailsCurrent source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.
MCP endpoint :https://verified-numbers.mcpize.run · website · measurements and detailsCurrent source-cited US minimum wage, tipped wage, and FLSA constants for AI agents; cites DOL.
MCP endpoint :https://verified-wages.mcpize.run · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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