Free MCP servers · page 66

MysterionRise/pubchem-finder

Search PubChem by structure: a local similarity/substructure index, live PubChem data, RDKit tools

zomma-dev/quantcontext-mcp-server

Deterministic stock screening, backtesting, and factor analysis for AI trading agents

mrfentmen/rcsb-pdb-mcp

Look up protein structures and search the RCSB Protein Data Bank. No key required.

RedDateTech/RealAgentMCP

AI agent real-name identity: SM2 keypair, QR real-name link, SD-JWT VP generate/verify.

mrfentmen/release-notes-forge-mcp

Summarize local Git release shape without returning commit messages, paths, hashes, or remotes.

Srinivasan-78/repo2graph

Ask a codebase a question, get back the source that answers it — every block cited to file:line.

stefanoshea/rlm-tools

Persistent Python sandbox for token-efficient codebase exploration in MCP clients

Shuffzord/RoadRaven

Create and update roadmap tree nodes and statuses in the RoadRaven desktop app (must be running).

Araluma/roundcut-mcp

Local image tools: circle crop, crop, resize, compress, convert JPG/PNG/WebP/AVIF. By RoundCut.

thecolourfoundation/rune

Evidence-backed codebase understanding with file:line citations, for AI clients over MCP.

edxleon/runspector

AI running coach for Garmin: HRV, readiness and VO2max explained, workouts on your watch

mrfentmen/runtime-support-mcp

Summarize runtime declarations across local manifests and CI files without returning versions,...

Sanoy24/safe-fetch-mcp-server

MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks.

securealy/securealy

Grade a URL as an attacker and a customer would see it; scan a repo; check Supabase, Stripe, Vercel.

silbercue/SilbercueSwift

iOS MCP server: 49 tools free (58 with Pro), xcresult parsing, WDA UI automation, fast screenshots.

olano-ai/mcp-singapore

Singapore public data, transport, rail, property, business, economy, weather, and analytics.

mrfentmen/smogon-mcp

Use this MCP server to competitive Pokemon, full dex data plus monthly Smogon usage statistics....

MasonChow/source-map-parser-mcp

Parse JavaScript error stack traces back to original source code using source maps

mrfentmen/spdx-mcp

Use this MCP server to SPDX open source license metadata and compatibility helpers. Tools...

mrfentmen/speedrun-mcp

Use this MCP server to speedrun.com, world records, category leaderboards, and runner profiles....

mrfentmen/star-wars-mcp

Look up Star Wars people, planets, and starships from the SWAPI mirror. No key required.

ExpertVagabond/sui-mcp-server

53-tool MCP server for Sui blockchain — wallets, DeFi, Move contracts, staking, SuiNS, analytics

ridget/supernote-mcp

Capture the screen, read/render notes, and upload files on a Ratta Supernote from an AI agent.

AnonymousOnyx22/syllabus-calendar-mcp

Syllabus to calendar MCP: pull dates from a syllabus into .ics files, merge calendars. Offline.

Avinash147-1193/thedeployer-mcp

Check if a repo will deploy, plan a deploy to your own cloud, and see status, logs and redeploys.

mrfentmen/time-tools-mcp

Convert timestamps, compute date differences, and format durations locally. No network and no key.

mrfentmen/toolchain-lens-mcp

Local explanation of reproducibility signals and toolchain contradictions without exact versions...

Lexus2016/turbo_quant_memory

Local-first memory and knowledge graph for coding agents. Compact retrieval, no network.

0ics-srls/ui-ticket-mcp_public

Human-to-AI code review bridge. Review UI in the browser, AI agents fix code via MCP.

Omodaka9375/wake

A post-mortem succession protocol for AI agents. Black Box, handoff, time-locks.

peopleworks/XAFLogicExplainer

Query your DevExpress XAF app: entities, controllers, actions, rules, Model Editor.

dharunashokkumar/api.dharun.dev

Free Indian data and AI: pincode, IFSC, GSTIN, holidays, GST invoice, OCR, translation. No key.

isaiahbjork/allyson-mcp

AI-powered SVG animation generator that transforms static files into animated SVG components using the Allyson platform

btafoya/mailsandbox

MailSandbox (a fork of Mailpit) is a fast, zero-dependency email testing tool & API with a web UI, SMTP server, Postmark API emulation, and MCP server for AI-assisted debugging.

Yeok-c/latex-mcp-server

Compile LaTeX, download, organize and read cited papers, run visualization scripts and add figures and tables to LaTeX documents.

g1itchbot8888-del/agent-memory

Three-layer agent memory (identity, active, archive) with semantic search, graph relationships and conflict detection.

Zhonghao1995/Agentic-MIKE-Plus

Headless DHI MIKE+ urban-water modelling: model inspection, parameter editing, simulation runs with QA status, .res1d results reading and plotting.

P4ST4S/mcp-audit

Transparent proxy that intercepts, signs, rate-limits, redacts and audits MCP tool calls without modifying client or server.

alanpcf/brasil-data-mcp

Brazilian public data via BrasilAPI: companies (CNPJ), addresses (CEP), banks (BACEN) and national holidays.

KamranBiglari/mcp-server-chart

This server offers a wide variety of chart types with comprehensive Zod schema validation for type-safe chart configuration.

Pantheon-Security/chrome-mcp-secure

Security-hardened Chrome automation and logins with post-quantum encryption, a credential vault, memory scrubbing and audit logging.

ofershap/cursor-usage

AI coding usage analytics: track spend, model usage and costs across Cursor and Claude Code sessions.

Hackeatutiempo/mapache

Open-source mind maps and whiteboard your agent draws on live: 22 tools for mind maps, notes, shapes, tables, charts, connectors, comments and HTML/PDF export; boards are local files.

MarceauSolutions/md-to-pdf-mcp

Convert Markdown files to PDF with customizable themes, headers, footers and styling.

Cheffromspace/mcp-nextcloud-calendar

CalDAV Nectcloud calendar integration. Manage calendars, events, attendees, etc.

valado/pantheon-mcp

Serves task-specific instructions to agents instead of static Markdown files.

irskep/persistproc

See and control long-running processes such as web servers: start, stop, restart and read logs.

pipepie/pipepie

Self-hosted webhook relay and tunnel with Noise NK encryption: inspect requests, replay webhooks, trace AI pipelines, manage tunnels and subdomains.