Free MCP servers · page 127

CallMCP/callmcp

One MCP tool contract for telephony — any call provider, hosted, local, or BYOK.

olaurendeau/mcp-camptocamp

API Camptocamp.org : itinéraires, sommets et points de passage, sorties, zones, livres et articles.

sebastienrousseau/camt-exceptions

Generate + XSD-validate ISO 20022 E&I camt messages (camt.056 cancellation, camt.029 resolution).

jyswee/canvasaas

AI business strategy frameworks for coding agents. 19 frameworks + pitch decks from one idea.

nattiini45/caotang

Serve a Caotang writing project to an MCP host: read it, and, when you allow it, change it.

theYahia/cbr-mcp

MCP server for Central Bank of Russia API — currency rates, key rate, precious metals, conversion.

dockndevai/mcp-cdp

Safe-by-default MCP that drives an Electron/Chrome app over CDP: DOM, console, network, input.

RiskThinking/cdt-express-mcp

Interact with climate metrics via Riskthinking.AI's CDT Express API in supported AI chat experiences

cenogram/mcp-server

Polish real estate for AI: 8M+ deed transaction prices (RCN) + per-parcel context by cadastral ID

cyanheads/cern-opendata-mcp-server

Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths.

cyanheads/cern-inspire-mcp-server

Search INSPIRE-HEP papers, authors, experiments, HEPData records; get citation metrics and BibTeX.

Neosyn-Logic/cg-agent-kit

AI-agent MCP server for FPGA design: compile, validate & generate Verilog from C⏚ HDL.

Kevthetech143/chain-signer

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

gluip/chart-canvas

Create interactive visualizations and query data sources (SQLite, CSV, Parquet, JSON)

cyanheads/chembl-mcp-server

Link compounds to protein targets, rank bioactivity, and look up drug mechanisms and indications.

mo9652962-ai/circuit-agent

AI hardware synthesis: CircuitBlocks DSL, live LCSC parts, industrial DFX audit, stdio MCP server.

cyanheads/cisa-cybersecurity-mcp-server

CISA KEV with BOD 26-04 deadlines, SSVC prioritization, and the ICS advisory corpus (CSAF). Keyless.

akougkas/cite-nexus-mcp

Search scholarly sources, verify references, and export citations with traceable evidence.

heidihelena/citevahti

Checks whether each cited source supports the claim it backs. Blinded human-first, local-first.

SunrisesIllNeverSee/agent-universe

Governed AI agent marketplace on Signomy. Register agents, fill slots, earn under MO§ES governance.

shofer-dev/claude-code-slang-orchestrator

Provable, declarative multi-agent workflows for Claude Code (typed .slang, non-LLM executor).

constripacity/Claude-Replay

Session checkpoint & recovery for Claude Code: resume, search, tag, and export recorded sessions.

GitGudatCodeing/claude-second-brain

Local hybrid keyword + vector search (SQLite FTS5 + sqlite-vec) over markdown vaults and code.

theYahia/claude-webcache

Cross-session WebFetch cache for Claude Code. Unlimited TTL by default, SQLite, MCP plugin.

mityda/ClauseKeeper

Scan website legal docs for missing or stale compliance clauses. Rule-based, no LLM.

Treevu-ai/cli-market-world

Commerce for AI agents. 44 MCP tools. 380 retailers (336 verified), 21 countries, 4 platforms.

alyiox/mcp-clickhousex

Read-only MCP server for ClickHouse metadata, parameterized queries, and plan analysis.

cloudwise-app/cloudcostwise

Find AWS waste with your own read-only credentials. Runs locally. Nothing is sent to CloudWise.

paureis/cloudpin

Read-only checks that cloud CLI commands run on the accounts a project pins in .cloudpin.yml.

hpdkhoa/coatinglab-mcp

Real surface finishes for game gun models: sourced finishes, variants, wear baked from use

vk0dev/code-impact-mcp

Dependency graph and blast-radius analysis for local TypeScript/JavaScript repos.

isagelswann/codeofpaper-cli

Find GitHub implementations of arXiv research papers — paper lookup, ranked code, search.

codedroid-team/codedroid-mcp

Use your real Android phone from any MCP client: read the screen, tap, type, run tasks and adb.

cyyprezz/codex-serverops-mcp

Stateful Windows OpenSSH server operations for Codex with local credential handling.

Wyrdsekai/codezaiku

A coding and development harness on local models or hosted APIs, for code, review, research and ops.

JaysonAIOnline/mcp-cognitive-substrate

28-layer cognitive substrate with cross-session ToT evolutionary memory and self-telemetry tools

premanand8800/cogsession

Session memory for AI coding agents: records decisions and dead ends, flags what went stale.

NBibikov/cogvault

Local hybrid-search memory for AI agents over plain Markdown. Multi-tenant, offline, no LLM.

cyanheads/coingecko-mcp-server

Crypto market data via CoinGecko — prices, markets, history, trending, and deep coin metadata.

commit-check/commit-check-mcp

Commit policy as code for AI agents: check commit messages, branch names and authors before a push

Agent360dk/computerMCP

macOS computer use with the guardrails on: passwords blacked out, writes need consent, all logged.

EranYonai/Conning

Run commands on your remote test machines over SSH without the agent ever seeing a secret.

jarmstrong158/context-keeper

Durable project-memory MCP: decisions, constraints, and pipelines across Claude sessions.

mikhailbovt/ContextDB-Codex

Local-first durable AI memory with policy-bound recall and a typed project graph.

willykeenan/agentbrain-contextlib

A project's long-term memory as plain Markdown files, with an append-only, tamper-evident log.

contracko/contracko-skills

AI contract management (CLM): contract review, data extraction, reminders and renewal deadlines.

ahmetbsbnr/coretend

Read-only view of what fills a Mac: disk usage, cleanup candidates, largest items, app leftovers.

sebastienrousseau/corralctl

Search code and symbols across every clone in your corralctl workspace. Zero network calls.