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Refusal-dialect probe: signed cards naming what a server's 429 means and whether its meter lies.
MCP endpoint :
https://textforagents.com/products/refusal-dialect-meter-truth-probe/mcp · website · measurements and detailsMeasured sandbox verdicts: 7-axis probe, signed pinned receipt. Cached $0.25, fresh $2.50.
MCP endpoint :https://textforagents.com/products/sandbox-truth-probe/mcp · measurements and detailsB20 Truth MCP: check Base B20 token claims against on-chain evidence. Paid reports via x402 USDC.
MCP endpoint :https://b20.scriptmasterlabs.com/mcp · website · measurements and detailsThe Refusal Desk builds the *no* — a pre-execution tribunal that screens an incoming task brief
MCP endpoint :https://textforagents.com/products/refusal-desk-task-brief-tribunal/mcp · website · measurements and detailsConvert times between IANA zones and detect skipped or ambiguous DST local times.
MCP endpoint :https://timezone-truth.gumballtools.com/api/mcp · website · measurements and detailsKeep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.
MCP endpoint :https://ground-truth-mcp.anishdasmail.workers.dev/mcp · measurements and detailsFathoms to meters
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/fathom-to-m/mcp · website · measurements and detailsGround GTM agents in governed, cited company truth.
MCP endpoint :https://app.assay.wiki/api/mcp/v2/mcp · website · measurements and detailsAustralian racehorse intelligence for AI agents with free discovery and accountless x402-paid tools.
MCP endpoint :https://horse-truth-edge-production.up.railway.app/api/v1/mcp · website · measurements and detailsFeet to meters
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ft-to-m/mcp · website · measurements and detailsMeters to feet
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/m-to-ft/mcp · website · measurements and detailsSend anything. Get the truth — REAL, SUSPICIOUS or LIKELY SCAM verdicts on messages and links.
MCP endpoint :https://verdict.aimlds.org/mcp · website · measurements and detailsYards to meters
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/yd-to-m/mcp · website · measurements and detailsHistory-seeded rewrite-regression verdicts, signed per class.
MCP endpoint :https://textforagents.com/products/rewrite-regression-probe-pack/mcp · website · measurements and detailsPremium agentic endpoint for active-seat-metering-mcp.
MCP endpoint :https://api.m2mcent.com/active-seat-metering-mcp/sse · measurements and detailsUnpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.
MCP endpoint :https://well-012-x402-probe.mmelnyk2000.workers.dev/mcp · website · measurements and detailsUnpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.
MCP endpoint :https://well-012-x402-probe.rainmaker-wells.workers.dev/mcp · website · measurements and detailsExperimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
MCP endpoint :https://probe-evidence.probe-lab.workers.dev/mcp · website · measurements and detailsGround truth for Jewish life: kosher checks, places, menus, providers, events, Shabbat times.
MCP endpoint :https://api.tateh.org/mcp · website · measurements and detailsMCP compatibility and transport verification server.
MCP endpoint :https://njjtx-38-15-34-250.free.pinggy.net/mcp · 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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