Free MCP servers · page 213

Open source MCP servers that need no paid account or API key, based on each listing. Run them locally with Claude Code or any MCP client.

12,864 servers · showing 10177–10224

Nyx5

0

Nicoiakl/nyx5

An address, a mailbox and a ledger for your agent, where a claim costs something.

LocalFreeAI Agents & Coding Agents

nyxory

com.nyxory/nyxory

Agent-to-agent cloud service: deploys and runs your apps and services — domains, logs, real status.

Local + RemoteFreeMonitoring & Observability

O Process

UncleTIM-GZ/O-Process

AI-native process classification. 2436 processes + 3284 KPIs from APQC, ITIL, SCOR.

LocalFreeOther Tools & Integrations

Oblique Lawyer

148

edgardomunoznajar/oblique-lawyer

Search 529K US statute sections. 50 states + USC + CFR. Semantic search, citation graph, MCP.

LocalFreeSearch & Web Scraping

Obra Cfo

0141

lilycip/obra-cfo

Local-first MCP that runs an investment committee on your pitch and scores funding readiness.

LocalFreeOther Tools & Integrations

Obra Cto

0172

lilycip/obra-cto

Local-first MCP that scores your codebase's build readiness. Your code never leaves your machine.

LocalFreeDeveloper Tools

Obscuraai

0

madeinphantom/obscuraai-mcp-server

Generate visual AI automation workflows from any MCP client. No API key required.

LocalFreeDeveloper Tools

Observability

gagandeeppra/mcp-observability-server

MCP server for querying logs from observability platforms with unified search and tracing

LocalFreeSearch & Web Scraping

Observe Instrument

0

alanzha2/observe-instrument-mcp

Add OpenTelemetry tracing to Python AI agents. Supports LangGraph, LlamaIndex, CrewAI, OpenAI SDK.

LocalFreeAI Agents & Coding Agents

Obsidian

afable702/obsidian-mcp-server

Complete Obsidian vault MCP server. 35 tools: notes, search, graph, tags, canvas.

LocalFreeSearch & Web Scraping

Obsidian

0

tylern91/obsidian-mcp-server

Filesystem-based MCP server for Obsidian vaults — read, search, and edit notes, no app required.

LocalFreeSearch & Web Scraping

ObsidianCorps Umami Analytics

0

obsidiancorps/umami-mcp

Umami v3 MCP for Cloud or self-hosted analytics, with read-only, privacy-conscious defaults.

LocalFreeKnowledge, Memory & RAG

obsify

0

Formative-Sum41/obsify

Local, privacy-preserving PII toolkit over MCP — shape to the model, substance stays local.

LocalFreeAI Agents & Coding Agents

OCL Context Layer

0

Nantiai/ocl-standard

Reference MCP server for OCL, an open standard giving AI agents scoped business meaning for Odoo.

LocalFreeAI Agents & Coding Agents

Ocm

sandeepbazar/ocm-mcp-server

Guardrailed fleet ops for AI agents: multi-cluster Kubernetes via OCM with policy, approval, audit.

LocalFreeCloud Platforms

Odgs

0

MetricProvenance/odgs-mcp-server

ODGS governance enforcement — validation, regulation compilation, drift detection, signed S-Certs.

LocalFreeOther Tools & Integrations

Odoo

0

Helios-One-Oy/odoo-mcp-server

Odoo orders, late lines, supplier promise dates, manufacturing and stock. Read-only by default.

LocalFreeFinance, Fintech & Payments

odoo-lint

0

bosd/odoo-lint

Lint and fix Odoo addons: pylint-odoo and OCA checks, translation files and upgrades.

LocalFreeDeveloper Tools

Oecd

0

pipeworx-io/mcp-oecd

OECD MCP — Organisation for Economic Co-operation and Development data (free, no auth) via the…

Local + RemoteFreeSecurity & Identity

Oeis

0

pipeworx-io/mcp-oeis

OEIS (On-Line Encyclopedia of Integer Sequences) MCP. Authoritative database of integer sequences.…

Local + RemoteFreeDatabases

ofdkit

0

Edgar-311/ofdkit

Read OFD files and Chinese e-invoices (数电票): text, invoice fields, folder totals. Read-only.

LocalFreeFinance, Fintech & Payments

Office Outlook

0

chrischall/office-outlook-mcp

Outlook / Microsoft 365 for Claude — triage mail, reply, answer invites and book meetings, confirmed

LocalFreeAI Agents & Coding Agents

Office Suite

theluckystrike/mcp-office-suite

One install that runs every sibling MCP server as a child process and merges their tools behind one

LocalFreeOther Tools & Integrations

Offline

0

gabrielmahia/offline-mcp

Local AI over Ollama for low connectivity: status, local inference, model and deployment guides.

LocalFreeAI Agents & Coding Agents

Offline Protocol

0

Offline-Protocol/offline-protocol-agent-plugins

Find Offline Protocol SDK packages, read integration guides, plan and scaffold local apps.

Local + RemoteFreeDeveloper Tools

Ofgem

0

pipeworx-io/mcp-ofgem

Ofgem energy data: the UK energy regulator's published statistics on the domestic price cap and…

Local + RemoteFreeData Science & Visualization

Ofr Funding

0

pipeworx-io/mcp-ofr-funding

OFR Short-Term Funding Monitor API — data.financialresearch.gov/v1, keyless, no auth wall. The…

Local + RemoteFreeMonitoring & Observability

Oh Medical Exclusions

0

pipeworx-io/mcp-oh-medical-exclusions

Ohio Department of Medicaid (ODM) Provider Exclusion & Suspension List screening — fleet #3278…

Local + RemoteFreeOther Tools & Integrations

ohmyho.st

0

amerged-org/ohmyhost-mcp

Operate ohmyho.st hosting from your coding agent: deploy GitHub apps, Postgres, mail, domains.

LocalFreeDatabases

Oig Corporate Integrity

0

pipeworx-io/mcp-oig-corporate-integrity

HHS-OIG Corporate Integrity Agreements — does this healthcare company have a CIA, since when, what…

Local + RemoteFreeOther Tools & Integrations

oJo — HTML to image and PDF

0

ojodotso/mcp-server

Fill an HTML template with JSON and get a hosted PDF or image link. Free previews, no key.

Local + RemoteFreeMultimedia, Audio & Video

Oklahoma Code

0

pipeworx-io/mcp-oklahoma-code

Oklahoma Statutes — state statutes by citation, full-text topic search, amendment history, and…

Local + RemoteFreeSearch & Web Scraping

Ololand dd Plugin

ololand-ai/ololand-dd-plugin

OloLand M&A intelligence — 33 tools for deal analysis, valuation, risk, and cross-deal learning.

Local + RemoteFreeOther Tools & Integrations

OLVM AIops

0

AIops-tools/OLVM-AIops

Governed OLVM / oVirt 4.5 ops — 17 MCP tools: inventory, health, capacity, diagnosis; audited.

LocalFreeOther Tools & Integrations

Omega

0

aien-dev/omega-mcp

Compile and run Omega (.om) programs in a sandbox, and look up Omega errors and keywords.

LocalFreeOther Tools & Integrations

Omiss

0

qso-graph/omiss-mcp

OMISS MCP server. Net schedule, nets on the air, members, check-in history, awards.

LocalFreeOther Tools & Integrations

Omni

0

bitofacoder/omni-mcp-server

All-in-one MCP server: GitHub, Git, Slack, web fetch, memory, and filesystem. Agent Mode opt-in.

LocalFreeVersion Control

Omni Scanner

0

Pantheon-LadderWorks/omni-scanner

Codebase observatory with 56+ scanners for git health, architecture, and documentation.

LocalFreeVersion Control

OmniClip RAG

EllisMorrow/OmniClip-RAG

Read-only local-first MCP server for private Markdown, PDF, and Tika-backed search on Windows.

LocalFreeSearch & Web Scraping

OmniClip RAG

msjsc001/OmniClip-RAG

Read-only local-first MCP server for private Markdown, PDF, and Tika-backed search on Windows.

LocalFreeSearch & Web Scraping

once

0

aurumflux20/once-kernel

Run a side effect exactly once under retries, redelivery, and concurrent workers.

LocalFreeOther Tools & Integrations

Once

0

stringsofthemind-oss/once

Developer assessment/setup MCP; admitted Once boundaries protect writes, not sibling connectors.

LocalFreeDeveloper Tools

Onchain Data

0

madlabs-tech/onchain-data-mcp

Blockchain data for EVM and Solana: balances, tokens, prices, DeFi and RPC via free-tier vendors

LocalFreeFinance, Fintech & Payments

Onchain Safety

0

aitools420/onchain-safety-mcp

Token-safety for AI agents: rug/honeypot verdict + score across PulseChain, Monad, Base & BSC

LocalFreeAI Agents & Coding Agents

One MCP, many parsers

0

adelaidasofia/parse-mcp

One MCP, many parsers. Routes between markitdown, Docling, and LlamaParse. Plus an interpret tool…

LocalFreeOther Tools & Integrations

One Shop Manager for PrestaShop

0

oneshopmanager/prestashop-mcp

PrestaShop 1.6 to 9: catalog, stock, orders, accounting; changes wait for your approval.

LocalFreeFinance, Fintech & Payments

OneSource

0

blockparty-global/1s-mcp

Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs

LocalFreeFinance, Fintech & Payments

Onet

0

pipeworx-io/mcp-onet

ONET MCP — wraps the ONET Web Services (US DOL) occupation taxonomy (services.onetcenter.org).…

Local + RemoteFreeOther Tools & Integrations