MCP Server Directory

Crates io.github.pipeworx-io/crates

Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)

MCP server for PDF generation, parsing, splitting, merging, and manipulation via oxidize-pdf

Cpsc io.github.pipeworx-io/cpsc

CPSC MCP — US consumer-product safety recalls (CPSC, free, no auth).

Could Have Been Email io.github.pipeworx-io/could-have-been-email

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

Coordinates io.github.pipeworx-io/coordinates

Coordinate geometry MCP.

Meyhem — MCP Server Discovery & Agent Search io.github.c5huracan/meyhem

Discover 6,700+ MCP servers and 15,000+ OpenClaw skills. Agent-native search with outcome ranking.

Real-time & historical exchange rates for 150+ currencies via AllRatesToday (mid-market).

Congress io.github.pipeworx-io/congress

Congress MCP — US Congress data via GovTrack API (free, no auth required)

MCP server for the CZ CELLxGENE Census. Single-cell, ontology-aware. Community, unaffiliated.

Compress OCR-heavy PDFs into dense packed images so agents can work with long visual documents.

colorapi io.github.pipeworx-io/colorapi

Color API MCP — wraps thecolorapi.com (free, no auth)

Companies House io.github.pipeworx-io/companies-house

Companies House MCP — UK statutory company registry (BYO key)

Color Pizza io.github.pipeworx-io/color-pizza

Color Pizza MCP — names hex colors using human-friendly color-name lists.

Conspiracy Theory io.github.pipeworx-io/conspiracy-theory

conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)

Comtrade io.github.pipeworx-io/comtrade

Comtrade MCP — UN Comtrade API for international bilateral trade data

Read-only-by-default MCP server: let LLMs explore the Fediverse — Mastodon, Misskey, Pleroma.

Cms io.github.pipeworx-io/cms

CMS Open Data MCP — US Centers for Medicare & Medicaid Services.

Cloudflare Radar io.github.pipeworx-io/cloudflare-radar

Cloudflare Radar MCP — internet observatory (traffic, attacks, BGP, quality)

Close Crm io.github.pipeworx-io/close-crm

Close CRM MCP Pack — wraps the Close (close.com) API v1.

Climatiq io.github.pipeworx-io/climatiq

Climatiq MCP — carbon footprint calculator with emission factors

Codewars io.github.pipeworx-io/codewars

Codewars user profiles, completed kata, authored kata, kata detail. Keyless.

Clinicaltables io.github.pipeworx-io/clinicaltables

NIH Clinical Tables: ICD-10/9, RxTerms, LOINC, NPI, conditions search. Keyless.

Clickup io.github.pipeworx-io/clickup

ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)

chp io.github.capabilityhostprotocol/chp

Learn and adopt the Capability Host Protocol — the agentic web's open evidence layer.