Free MCP servers · page 80

meszarosjan/material-simulator-steel

No-key MCP server for steel equilibrium, TTT/CCT kinetics, phase-boundary and measured-data tools.

iamjrmh/MCPBridge

Unified MCP server bridging Claude Code and Ollama to Roblox Studio and Blender.

Akkshay10/MCPClientMock

MCP server for James Bloom MockServer - create expectations, verify requests, and manage mock state

coburn2716/mcpvault-mcp

Search evidence-labelled MCP servers with freshness, install, compatibility and verification data.

PavelGuzenfeld/mcp-media-forge

MCP server for generating diagrams, charts, presentations, and animations for Markdown documentation

las7/memharness

Bi-temporal, provenance-carrying long-term memory for AI agents, in one SQLite file.

LonelyTraderBay/memory-for-ai

Local codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

metago-ai/metagolifeform

Decision lock, anti-hallucination, meta-evolution and provenance for any MCP agent. 55 tools.

vincentwongso/mt5-trading-mcp

Let an AI agent read and trade a MetaTrader 5 account over MCP, behind a human-approval gate.

frankchu91/mindbase

LLM-maintained personal wiki: cross-references sources, flags contradictions. Local markdown.

nikitacometa/mnemon-mcp

Persistent layered memory for AI agents. SQLite FTS5, fact versioning, zero-cloud.

kobzevvv/moldsim-mcp

Injection molding simulation expertise — materials, process validation, and DFM checks

mova-compact/mova-flat-runner

Governed AI workflows with human approval gates and audit trails for Claude and MCP clients.

cunicopia-dev/gmail-mcp

Multi-account Gmail MCP server — read, search, draft, and label across every inbox.

Fr4nZ82/mwe-mcp

Self-hosted multi-user memory for AI agents: a human-readable Markdown wiki with per-fragment ACL.

sincekmori/negirau

Read-only, anonymous access to the Negirau public API: subjects and their reaction counts.

pzalutski-pixel/netlens-mcp

Read any web page as clean, ad-stripped Markdown past robots.txt and bot blocks, plus web search.

conquext/neuron

AI-powered WhatsApp chatbot platform with 196 tools for bots, campaigns, and contacts.

leejpsd/nextjs-cache-handler

Inspect and operate Next.js Redis caches: health, tag state, SWR simulation, safe invalidation.

pironjulien/NexusWindows-Antigravity

Windows computer use in the background for Antigravity: UI Automation, Win32 messages, read back.

RyanCardin15/Perigee-Tides

NOAA tides and currents: water levels, tide predictions, currents, met data, flooding, sun and moon

YashviGupta15/npm-advisor-mcp

MCP server to search, compare, and recommend npm packages by size, popularity, and maintenance.

slettmayer/oebb-mcp-server

OeBB (Austrian Railways) train data: stations, departures, connections, service alerts.

luffysolution-svg/omnischolar

Literature, Zotero, PDF, citation, materials, and scientific image tools for research agents.

antikas/open-investment-model

Read-only OpenIM search for institutional buy-side investment models and architecture.

Below280/B280-olca-MCP

Connect AI assistants to openLCA. 35 tools for database search, model building, and LCIA.

sapuyou45-bit/oraclebone

Audited tarot, I Ching, Xiao Liu Ren, Bazi (Four Pillars). Model never invents results.

cyanheads/orcid-mcp-server

Researcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry.

Sagargupta16/orrery

Architecture diagrams with official AWS, Azure, GCP and Kubernetes icons, to SVG, PNG and draw.io

cotletdev/peopleperhour-api-mcp-server

Search projects, freelancers and Offers on PeoplePerHour, read briefs and profiles.

Churman1113/pingcheck

PingCheck status monitoring for AI agents. Read public pages or your own monitors via pk_ API key.

Solteris-Dev/pir-mcp

Motion sensor for AI agents: tells when a screen region changes or goes still. Scores, never pixels.

mxcoppell/pixinsight-connector

Operate PixInsight from any MCP agent. Community project, not affiliated with Pleiades Astrophoto

yixuanzhong/PLAXIS-MCP

Windows-local MCP server for PLAXIS 2D Remote Scripting: geometry, staged construction, results.

vola-trebla/playwright-network-chaos-mcp

MCP server that gives AI agents dynamic network chaos control over Playwright browser sessions

bitsandtea/postking-mcp

PostKing MCP server for managing brands, generating posts, scheduling content, and publishing blogs.

matematicsolutions/prawo-pl-mcp

One MCP server for Polish legal data - courts, legislation, KRS, tax, KIO, UODO via 4 unified tools

amehiny/invoices-gen

Free invoice generator — create pre-filled invoice URLs with taxes, discounts, and 14 languages.

punic-pillars/project-knowledge-mcp

Cross-project knowledge graph for MCP — map features across mobile, backend, and admin codebases.

Pseudogiant-xr/Pseudolife-MCP

Persistent memory for MCP-compatible agents: memory bank, fact cortex, dreams, graph.

Caravaca-Labs/puzzletide-cli

Word search, crossword, and sudoku generators, printable PDF worksheets, and verifiable LLM evals.

ethanasm/mcp-queue-doctor

Diagnoses pg-boss and graphile-worker job queues: retry storms, stuck workers, missed schedules.

desper/quick-html-sharing

Share AI-generated HTML from your coding agent. Unguessable URL + viewer analytics.

PurpleDirective/quillpdf-mcp

Local-first PDF tools (merge, split, rotate, watermark, Bates, metadata) as MCP server + CLI.

Holetron-lab/fleet-memory

Self-hosted shared memory for a team of AI agents. Rooms, L0-L3 depth, no LLM on the read path.

GiulioDER/RE-call

Agent memory on your own Postgres that flags superseded facts and abstains instead of guessing.

r3352/redact-mcp

Auto-detects and obfuscates PII (IPs, emails, API keys, names) so Claude never sees real client data

regionfetch/regionfetch

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