The Enterprise DNA directory

MCP Servers

Model Context Protocol servers. The standard way for any agent to read or write to any system.

Evals: Measure model and agent quality before you ship. 99 MCP servers for evals in this directory. Source-reviewed guides come first.

24 tools on this page

MMCPlowCatalogue

Acacian/aegis

Various

LLM guardrails & prompt injection detection for Python. Auto-instruments LangChain, CrewAI, OpenAI, LiteLLM + 8 more frameworks. PII masking, toxicity detection, policy CI/CD. One

★ 9repo activity 5mo ago

open-sourceMITPython

Best for: Python developers who need to add basic safety controls to existing LLM applications quickly

MMCPlowCatalogue

ahmedak/defluff

Various

Deterministic slop detector for AI-generated prose. No model, no API key.

★ 0repo activity 4mo ago

open-sourceMITPython

Best for: Developers needing a quick, offline, zero-cost slop check with no reliance on third-party services.

MMCPlowCatalogue

ankitkapur1992-hlido/hlido-mcp

Various

Hlido MCP server — independent AI-agent trust scores, claim audits & comparisons over JSON-RPC. Live at hlido.eu/mcp

★ 0repo activity 4mo ago

open-sourceMITJavaScript

Best for: Developers building systems that need to assess and compare the trustworthiness of multiple AI agents.

MMCPlowCatalogue

AperionAI/shield

Various

Local guardrails for AI coding agents. Wraps any MCP server and blocks destructive tool calls — DROP TABLE, rm -rf, force-push, unscoped UPDATE/DELETE — before they execute. Free,

★ 5repo activity 3mo ago

open-sourceApache-2.0Rust

Best for: Developers using AI coding agents who need to prevent accidental destructive actions on their local machines.

MMCPlowCatalogue

argosvix/mcp-server

Various

Observability MCP server for AI agents - 89 tools to query LLM cost/errors/latency across 7 providers and operate alerts, budgets, evals from Claude/Cursor

★ 0repo activity 1mo ago60/100

open-sourceMITTypeScript

Best for: Developers building AI agents who need cross-provider LLM cost and performance visibility.

MMCPlowCatalogue

ariekogan/ateam-mcp

Various

ADAS MCP Server — build, validate, and deploy multi-agent solutions from any AI environment

★ 0repo activity 5mo ago

open-sourceJavaScript

Best for: Developers building multi-agent systems who want a standardized MCP-based orchestration layer

MMCPlowCatalogue

bmdhodl/agent47

Various

Your AI agent just burned $200. AgentGuard stops it at $5. Runtime cost guardrails for AI agents — budget enforcement, loop detection, kill switch. Zero dependencies, MIT licensed.

★ 3repo activity 4mo ago

open-sourceMITPython

Best for: Developers building AI agents who need a lightweight, no-frills cost guardrail

MMCPlowCatalogue

Bristlecone-Logic/bristlecone-logic

Various

Deterministic guardrails and M2M security rails for autonomous AI agents: pre-socket SSRF defense, zero-overhead JSON repair, and sandboxed AST math verification.

★ 0repo activity 1mo ago60/100

open-sourcePython

Best for: Developers building Python-based autonomous agents that need deterministic safety rails

MMCPSearchlowCatalogue

chefcohen/corroborate-mcp

Various

Honest claim corroboration for AI agents (MCP server): syndication-aware independent-source counting, confidence scores, and published error rates. Keyless, read-only, open source.

★ 1repo activity 3mo ago58/100

open-sourceMITJavaScript

Best for: AI agents that require independent source counting and confidence scoring

MMCPlowCatalogue

Chimera-Protocol/csl-core

Various

Deterministic policy language for AI agents. Z3 + TLA+ dual-engine formal verification. Runtime enforcement <1ms.

★ 14repo activity 5mo ago

open-sourceApache-2.0Python

Best for: Developers building safety-critical AI agents that need formal runtime policy enforcement

MMCPlowCatalogue

Connectry-io/connectrylab-architect-cert-mcp

Various

Free certification prep for the Claude Certified Architect exam. 390 questions. Spaced repetition. Zero sycophancy.

★ 22repo activity 7mo ago

open-sourceMITTypeScript

Best for: Developers studying for the Claude Certified Architect exam who prefer unfiltered practice questions.

MMCPlowCatalogue

conviction-fm/conviction-mcp

Various

Strategy competition for AI agents. MCP server + CLI for conviction.fm

★ 0repo activity 7mo ago

open-sourceMITJavaScript

Best for: Developers building or testing AI agents in competitive strategy environments

MMCPlowArchivedCatalogue

Correctover/mcp-server

Various

Contract validation and self-healing failover for LLM APIs. 6-dimension verification (structure, schema,

Alternative to Litellm

open-source

Best for: Developers building resilient LLM integrations that need contract enforcement and automatic failover.

MMCPlowCatalogue

CSOAI-ORG/councilof-ai

Various

📏 Measures AI systems on frozen instruments and publishes the live 22-axis GSPC board, Ed25519-signed cards, a signed Merkle root with a Rekor witness, and a public corrections le

★ 0repo activity 1mo ago60/100

open-sourceMITTypeScript

Best for: Teams that need auditable, consistent AI measurement results without rubber-stamp certifications.

MMCPlowCatalogue

DataEval/dingo

Various

Dingo: A Comprehensive AI Data, Model and Application Quality Evaluation Tool

★ 706repo activity 4mo ago

open-sourceApache-2.0Python

Best for: Developers building AI pipelines who need a unified evaluation tool for data, models, and applications.

MMCPlowCatalogue

dshakes/distil

Various

Compression with a quality contract — cache-aware, causally-pruned LLM context compression for agentic runtimes, certified non-inferior across 7 domains. Works with any SDK.

★ 16repo activity 1mo ago69/100

open-sourcePython

Best for: Developers building agentic systems needing safe context compression

MMCPlowCatalogue

dtkmn/mcp-zap-server

Various

Give AI agents a safe, self-hosted ZAP operator for guided web security scans, findings, reports, and production guardrails.

★ 65repo activity 1mo ago74/100

open-sourceApache-2.0Java

Best for: Teams wanting AI-assisted web security scanning with self-hosted control.

MMCPlowCatalogue

elhamid/llm-council

Various

LLM Council works together to answer your hardest questions

Alternative to Autogen, Crewai, Metagpt

★ 5repo activity 8mo ago

open-sourcePython

Best for: Developers exploring multi-model reasoning or needing higher confidence on hard questions

MMCPlowCatalogue

hernaninverso/eleata-verify-mcp

Various

MCP server: grounding/hallucination guard — verify a claim against evidence (Supported/Refuted/NEE) for AI agents

★ 0repo activity 4mo ago

open-sourceJavaScript

Best for: Developers building AI agents that need a lightweight, rule-based fact-checking step against known sources.

MMCPlowCatalogue

hidai25/eval-view

Various

Regression testing for AI agents. Snapshot behavior,diff tool calls,catch regressions in CI. Works with LangGraph, CrewAI, OpenAI, Anthropic.

★ 112repo activity 5mo ago

open-sourceApache-2.0Python

Best for: Developers building AI agents who need regression testing in CI

MMCPlowCatalogue

hivemindunit/llmintel-mcp

Various

MCP server for AI model lifecycle data: check whether a model id is deprecated or retiring, and what to migrate to. Public mirror of packages/mcp from the LLMIntel monorepo.

★ 1repo activity 3mo ago58/100

open-sourceMITTypeScript

Best for: Developers who need a lightweight MCP server for model deprecation checks

MMCPlowCatalogue