MCP Server Directory

QuickGO (EBI) MCP — Gene Ontology browser.

Quiver Quantitative MCP — alternative-data on public companies (quiverquant.com)

Quotable MCP — wraps the Quotable dataset (free, no auth)

Quotes MCP — citation-grade quote API for public-domain authors.

RunAPI Qwen 2 MCP server for image generation: create tasks, poll results, and check pricing across 2 model variants from Claude Code, Codex, Cursor, and VS Code.

RunAPI Qwen Image MCP server for image generation: create tasks, poll results, and check pricing across 3 model variants from Claude Code, Codex, Cursor, and VS Code.

Your second brain, in every AI you use — a local MCP server for your Obsidian vault (or any markdown folder). Allowlist-gated, capped, disclosed, audited.

Radar MCP — wraps the Radar Geocoding / Search API (radar.com)

Radio MCP — wraps Radio Browser API (free, no auth)

Email system for agents: message search, importance/urgency triage, commitment follow-through and reviewable drafts, keeping financial actions human-only.

Self-hosted default-deny action registry, append-only spend-intent ledger and human sign-off audit trail for gating irreversible agent actions.

Random User MCP — wraps randomuser.me (free, no auth)

RAWG MCP — wraps the RAWG video games database API (rawg.io)

Local stdio MCP server for Ray, the notification delivery API (email, push, Slack, Discord, Telegram, webhooks). Bridges to Ray's hosted MCP endpoint.

RBA MCP — Reserve Bank of Australia statistics (free, no auth).

RCSB PDB MCP — experimentally determined macromolecular structures.

RDAP MCP — Registration Data Access Protocol via IANA bootstrap.

Reactome MCP — open biological pathway knowledge-base.

Real Estate Japan MCP — actual residential/commercial transaction prices and

RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)

RECAP — the actual documents filed in US federal court cases.

Recipes MCP — wraps TheMealDB API (free tier, no auth)

RunAPI Recraft MCP server for image generation: create tasks, poll results, and check pricing across 2 model variants from Claude Code, Codex, Cursor, and VS Code.

Recreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1

Reddit MCP — public Reddit data via the Atom/RSS feeds.

Redmine: issues, projects, wiki, attachments with text extraction, time entries, and release and blocker analytics; read-only by default, optional writes.

Turn real-estate listing photos into property videos from your AI assistant.

reginfo MCP — the Unified Agenda of Federal Regulatory and Deregulatory

Fetch any public URL as a visitor in a chosen country, with a signed receipt of its origin.

Company data from UK Companies House and Norway's Brønnøysund registers: lookup, name search, filing deadlines and Norwegian VAT registration checks.

MCP server for managing MCP server registries — health checks, duplicate detection, and configuration portability

Polish business register (REGON / BIR1.1) — resolve any Polish company by NIP, REGON or KRS number to its registered name, legal address and entity type, from Statistics Poland's official register.

Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)

Regulations.gov MCP — federal regulatory dockets, documents, public comments

Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).

ReliefWeb MCP — the UN OCHA humanitarian information service.

RemoteOK MCP — remote-work job board (tech-heavy), keyless.

Remotive MCP — curated remote-only job board

Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)

Local, read-only test architecture audits for JS/TS, C, Elixir, Go, Kotlin, PHP, Python, Ruby, Rust and Swift, with evidence-backed findings and test plans.

Repology MCP — cross-distro package version aggregator.

RescueGroups.org MCP — adoptable animals and the rescues/shelters that list

One call, one paper: everything openly available around it — full text, license, datasets, code, and citations.

MCP server that fetches receipts, genesis documents and accumulator snapshots for @forestrie/mcp-verify to verify — every result says where its bytes came from

Reverb MCP — the musical-instrument marketplace

Resolve a company domain to its Trustpilot rating, review count and claimed status.

Revternal MCP — wraps the Revternal Developer Intelligence API

Rhea MCP — expert-curated database of biochemical reactions.