MCP Servers 13,369

Libraryofcongress

io.github.smeet666/mcp-libraryofcongress

A✓Verified

Search inside scanned US newspapers and browse the Library of Congress catalogue.

Upsilon — AI Operator Measurement Engine

io.github.SunrisesIllNeverSee/sigrank-mcp

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Upsilon measurement engine with 25 local tools and SigRank proof access via the sigrank package.

Procheiron

io.github.logotheusneuro-cpu/procheiron

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Review gate for shared agent memory: an unreviewed or hand-edited memory is never served.

Sqemo

io.github.sqemo/sqemo

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Design ERDs with your team's naming standards: query/edit entities and relationships, SQL/DBML

Uniprot

io.github.pipeworx-io/uniprot

B✓Verified

UniProt MCP — protein sequence + function database.

Phaedo

io.github.galavoxx/phaedo-mcp

B✓Verified

Carry your Phaedo cognitive fingerprint into any MCP client: style injection + decision consults.

Mockpost

io.github.reiarseni/mockpost

B✓Verified

Local multi-channel message emulator for E2E testing, with MCP tools for LLM agents.

RedditAPIs

io.github.redditapis/redditapis-mcp

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Reddit API as MCP tools: search, subreddits, posts, comments, users, monitors, webhooks, feedback.

Meridian Skills

io.github.LuuOW/meridian-skills

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Routes AI tasks to dynamic LLM-generated skills via an orbital classifier.

Tacitus Server

io.github.ionasrobert/tacitus-mcp-server

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Long-term memory for AI agents: local-first PKM with provenance and hybrid search.

Wikibooks Cookbook

io.github.smeet666/mcp-wikibooks-cookbook

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Search the Wikibooks Cookbook, read a recipe and rescale it to any number of servings.

Bcrp Pe

io.github.pipeworx-io/bcrp-pe

B✓Verified

Banco Central de Reserva del Perú (BCRP) statistics series API MCP.

Quill

io.github.manumarri-sudo/quill

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Pre-execution gate for AI-agent tool calls.

Moneo

io.github.moneolabs/moneo

B✓Verified

A guarded wallet for AI agents on Robinhood Chain: a spending policy runs before every signature.

AI Success Story

io.github.Un3x/ai-success-story

B✓Verified

First-person AI war-stories from coding sessions, searchable via MCP for prior-art consultation.

Render Unto Caesar

io.github.mightydatainc/ruc-mcp

B✓Verified

An MCP server that fuses LLM contextual intelligence with procedural code reliability.

Google Ads Manager

io.github.AleemHaider/google-ads-manager-mcp

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Unofficial MCP server for Google Ads: reporting plus safe draft/confirm campaign management.

Json5

io.github.MukundaKatta/json5-mcp

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Parse JSON5 (comments, trailing commas, unquoted keys) and emit strict JSON.

Neoenergia (Elektro): Download

io.github.mcp-dir/contas_neoenergia_download-mcp

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Neoenergia (Elektro): Download, official-source lookup.

Estevao

io.github.dodopok/estevao-mcp

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Anglican liturgical calendar, lectionary and Daily Office (Book of Common Prayer) via Estêvão API

Healthchecks Io

io.github.ronniechong/healthchecks-io-mcp

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Unofficial MCP server for managing Healthchecks.io checks via the Management API

Tripwire Guard — evidence-first injection scanner

io.github.KubaOpoczka/tripwire-guard

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Local read-only MCP scanner for known prompt-injection patterns with exact evidence and no network.

Rowlite MCP Server

io.github.pipik-roman/rowlite

B✓Verified

Go-based MCP server providing Markdown table file inspection and row-level operations.

SEFAZ AC: NFC-e

io.github.mcp-dir/sefaz_ac_nfce-mcp

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SEFAZ AC: NFC-e, official-source lookup.