MCP Server Directory

Event bus for AI agents: watch_topic long-polls live events; manage topics, schemas, webhooks.

Armbrain io.github.benfinklea/armbrain

AI memory layer for fractional CMOs -- client-partitioned minds, meeting prep, and EOS.

Execute cost-optimal-model-selector-mcp io.github.Evozim/cost-optimal-model-selector-mcp

Premium agentic endpoint for cost-optimal-model-selector-mcp.

tilwhen date engine com.tilwhen/tilwhen

Deterministic date arithmetic with auditable receipts: business days, due dates, holidays.

MPT SC: Certidão Negativa de Feitos io.github.mcp-dir/mpt_sc_cnf-mcp

MPT SC: Certificate Negativa de Feitos, official-source lookup. Platform-hosted, pay per query with

News Sentiment API ai.trendsapi/news-sentiment

News sentiment score trends for any topic over time. Free key at trendsapi.ai

MCP server for the Google Tag Manager API v2: containers, workspaces, tags, triggers, publishing.

Fat Heron Developer Platform com.fatheron/fat-heron

MCP control plane for AI developers managing customer mail, DNS, projects, keys, and diagnostics.

deliverability-doctor io.github.Integrity-Os/deliverability-doctor

Check if a domain can be email-spoofed: SPF, DMARC, DKIM, MX graded from public DNS. Authless.

opentax io.github.Invaro/opentax

Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

climbpast io.github.archievi/climbpast

Read and edit GA4, Search Console and Google Tag Manager from any MCP client. 29 tools.

Manage tasks, sprints, projects, and wiki pages in your Ithura workspace.

UnClick world.unclick/mcp-server

669 apps and 1599 actions for any MCP agent, plus cross-session memory and QA passes.

mps-preflight io.github.Maha-Strategies/mps-preflight

Claim-level provenance preflight for sanitized nonfiction passages; automated triage only.

Execute default-probability-model-mcp io.github.Evozim/default-probability-model-mcp

Premium agentic endpoint for default-probability-model-mcp.

TheBetterBuy Product Comparison uk.co.thebetterbuy/product-comparison

Compare products, prices and current offers across UK retailers to find the best deal.

Memory Vault io.github.apurv101/memory-vault

Portable AI memory shared across models and harnesses - plain markdown you own.

MCP server exposing the Alibre Design CAD API: parts, sketches, features, parameters.

Electrik Slate io.github.neerajsohal/slate

Read-only MCP for Electrik Slate: Blade component docs, blocks gallery, source, and llms.txt.

SEO Trends API ai.trendsapi/seo

Spot keyword demand rising or fading across search and social. Free key at trendsapi.ai

workspace-tools io.github.brian-mitchell-sec/workspace-tools

Research honeypot. Logs connections and tool arguments; injects instructions. Read README first.

Crank Protocol ing.crank/crank

Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

INPI: Marcas io.github.mcp-dir/inpi_marcas-mcp

INPI: Marcas, official-source lookup. Platform-hosted, pay per query with prepaid credit.

MCP server for Healthchecks.io API