MCP Server Directory

Free small-business facts and stateless workflow review kits: quotes, invoices and order handoffs.

MetroHash64 hex length, input discarded io.github.sadri-dridi/metro64-ok

MetroHash64 hex length, input discarded

Tk tracking status token, value discarded io.github.sadri-dridi/tk-ok

Tk tracking status token, value discarded

Free V1: inert MCP decoys and canary tokens detect AI-agent compromise signals. Local stdio server.

Local MCP server for architectural decisions, traceability, and non-authoritative proposals.

Generate and send invoices across carriers (UPS, USPS, FedEx, DHL).

Fabling io.github.maximepeabody/fabling

Practice Spanish and French using saved vocabulary, grammar progress, and practice focus.

Nplg Catalog io.github.pipeworx-io/nplg-catalog

National Parliamentary Library of Georgia MCP — the union catalogue and the digital library, both…

KSUID timestamp prefix, value discarded io.github.sadri-dridi/ksuid-ts

KSUID timestamp prefix, value discarded

QuoteBill io.github.auto1225/quotebill

Quotations, invoices and 8 more document kinds; quote to invoice; tax for 195 countries; forms.

Play Chess, RPS-N and Safehouse Protocol via MCP. Public replays; GitHub verification required.

MIME xml io.github.sadri-dridi/mime-xml

Public MIME token for xml.

Cross-Origin-Opener-Policy token, value discarded io.github.sadri-dridi/coop-ok

Cross-Origin-Opener-Policy token, value discarded

Mach-O magic band, bytes discarded io.github.sadri-dridi/macho-ok

Mach-O magic band, bytes discarded

Lat/lng bounding-box shape io.github.sadri-dridi/latlng-box-ok

Lat/lng bounding-box shape

xxencode begin line, input discarded io.github.sadri-dridi/xxdecode-ok

xxencode begin line, input discarded

Auditable memory for AI agents: provenance, cascade retraction, conflict refusal

Tiger hex length, input discarded io.github.sadri-dridi/tiger-ok

Tiger hex length, input discarded

WAV RIFF check, file discarded io.github.sadri-dridi/wav-riff

WAV RIFF check, file discarded

Sec Insider io.github.pipeworx-io/sec-insider

SEC Forms 3/4/5 — insider transactions, indexed so the question can be inverted.

Picometres to meters, number discarded io.github.sadri-dridi/pm-m

Picometres to meters, number discarded

HTTP-date IMF-fixdate shape, value discarded io.github.sadri-dridi/date-http

HTTP-date IMF-fixdate shape, value discarded

Tablespoons to milliliters, number discarded io.github.sadri-dridi/tbsp-ml

Tablespoons to milliliters, number discarded

ModelsLab v8 io.github.ModelsLab/modelslab-v8

ModelsLab v8 generation APIs: discover models, providers and endpoints, then run them.