Google tells you what exists. Faceabot tells you what holds up.
Signed timestamp receipts for a SHA-256 hash. Send only the hash; we never see the document.
MCP endpoint :https://booklint-stamp.fly.dev/mcp · website · measurements and detailsChecks an agent's trades, spend, bookings and offers against its owner's limits. Facts, not advice.
MCP endpoint :https://booklint.com/mcp · website · measurements and detailsRFC 3339 UTC stamp
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rfc3339-now/mcp · website · measurements and detailsDated, source-linked receipts before an agent recommends or books. Lodestar does not approve.
MCP endpoint :https://api.lodestarindex.com/mcp · website · measurements and detailsPay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire.
MCP endpoint :https://ogstamp.com/mcp · website · measurements and detailsCreate a shop program, hand customers a browser stamp card by QR poster, stamp it from a phone.
MCP endpoint :https://stampcard.rowb.app/mcp · website · measurements and detailsMerge, split, extract, rotate, reorder and stamp PDF pages from your AI chat, all offline.
MCP endpoint :https://mcp.zovo.one/mcp/pdf · website · measurements and detailsConcierge MCP for agentic workflows: verified time + drift, uuid, diff, calc, attest, verify.
MCP endpoint :https://stamp-mcp.terradev.cloud/mcp · website · measurements and detailsAttribution and settlement infrastructure for AI agent content access over HTTP 402 and MCP.
MCP endpoint :https://metastampv3-production.up.railway.app/mcp · website · measurements and detailsMerge, split, rotate, stamp and read PDFs from chat. Page ranges and watermarks, all on your machine
Package mcpb :https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/pdf.mcpb · website · measurements and detailsStamp content with permanent, verifiable provenance. Hash locally, verify free forever.
MCP endpoint :https://proof.tatastu.dev/mcp · website · measurements and detailsCited, confidence-stamped patent intelligence over US university tech-transfer out-licensing.
MCP endpoint :https://api.ipnex.ai/mcp · measurements and detailsAttested multi-agent consensus: proposals, votes, and outcomes stamped and traced.
MCP endpoint :https://quorum-mcp.terradev.cloud/mcp · website · measurements and detailsMalta Stamp Duty: the site's own MCP server — calculator, enquiry (enquiry = a human handoff,...
MCP endpoint :https://maltastampduty.com/mcp · website · measurements and detailsStamp or notarize data into a public witnessed transparency log. Proves timing, not truth.
MCP endpoint :https://api.markovianprotocol.com/mcp/ · website · measurements and detailsFree UK calculators, converters and validators (tax, VAT, stamp duty, dates, units), read-only.
MCP endpoint :https://mcp.hopi.co.uk/mcp · website · measurements and detailsReal Australian lender serviceability, plus repayments, borrowing power and stamp duty.
MCP endpoint :https://www.arthr.com.au/api/mcp · website · measurements and detailsUK mortgage calculators: stamp duty, MCOB 3A HNW qualification, and bridging loan cost.
MCP endpoint :https://fd-property-mortgage-mcp.fdcommercial-uk.workers.dev/mcp · website · measurements and detailsVet any MCP server before you depend on it. Stamp: PASS, REVIEW, or BLOCK.
MCP endpoint :https://api.mcpcensus.com/mcp · website · measurements and detailsA plug-and-play MCP Server for automated, low-cost C2PA provenance stamping via Base L2.
MCP endpoint :https://exclusive-magical-insights-usr.trycloudflare.com · 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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