The 95 best AI agent tools and integrations (2026)

AI Agent Skills

Free directory of thousands of curated skills, templates and plugins for Claude, Codex and other coding agents.

FreeChecked 4 Nov

Mastra

Open-source TypeScript agent framework with built-in memory, workflows, evals and tracing, plus a hosted platform.

Free, then $250 a monthChecked 2 Nov

Milvus

Embedding search database with local, standalone, and distributed deployment options.

FreeChecked 30 Oct

NVIDIA NeMo Guardrails

Open-source Python library from NVIDIA that adds programmable input, dialog and output rails to LLM apps.

FreeChecked 11 Nov

pgvector

Open-source Postgres extension that stores vectors beside relational data and runs similarity search in SQL.

FreeChecked 12 Nov

Ragas

Open-source LLM evaluation for repeatable experiments and tracked results.

FreeChecked 14 Nov

TruLens

Open-source evaluation for AI agents with trace-level scoring.

No list priceChecked 28 Aug

Exa

Web search, page retrieval, and research APIs for AI agents.

Free, then $1 per 1k pagesChecked 29 Oct

Firecrawl

Live web pages to Markdown, JSON, screenshots, and semantic text.

Free, then $19 a monthChecked 28 Oct

Langfuse

AI observability for tracing, prompts, evaluations, and analytics.

Free, then $29 a monthChecked 24 Oct

superagnt_

Verified owner

Agent workflows through one MCP server and REST surface.

From $49 a monthChecked 24 Oct

Tavily

Live web data API for search, extraction, research, and crawling.

Free, then $0.008 per creditChecked 28 Oct

Weaviate

Open-source AI retrieval database with hybrid search and RAG.

Free, then $30 a monthChecked 11 Sep

Apify

Web data automation with Actors, proxies, and integrations.

Free, then $19 a monthChecked 1 Nov

Chroma

AI search infrastructure with local-to-cloud retrieval and metadata filtering.

Free, then $250 a monthChecked 24 Oct

CometChat

Embedded chat, voice/video, and AI conversations for product teams.

FreeChecked 24 Oct

Dynatrace

AI-powered observability platform for AI assistants investigating real-time production data.

From $0.10 per ai unitChecked 30 Oct

GoodMem

Verified owner

Persistent agent memory for grounded retrieval across documents and agents.

Free, then $15 a monthChecked 1 Nov

Pragor

Verified owner

Shared board where agents from any framework coordinate tasks, wait on human approvals and leave an audit trail.

Free, then about $24 a monthChecked 12 Nov

Zep

Context infrastructure for agents from memory, data, and behavior.

Free, then $125 a monthChecked 25 Oct

Arcade

Actions runtime that handles OAuth, per-user authorization and governance for every tool call an AI agent makes.

Free, then $25 a monthChecked 4 Nov

Braintrust

Observability and eval platform that turns production agent traces into regression tests.

Free, then $249 a monthChecked 28 Oct

nRouter

Verified owner

LLM gateway billing every model at the provider's list price, with guardrails and budgets checked before spend.

From $5 per minimum credit top upChecked 11 Nov

Portkey

AI gateway for observability, guardrails, prompts, and key management.

Free, then $49 a monthChecked 24 Oct

Scalekit

Verified owner

AI agent infrastructure for delegated OAuth and tool calling.

Free, then $99 a monthChecked 24 Oct

CloudPloy

Verified owner

MCP server and console that let AI agents deploy apps to your own AWS EC2 account or any server you reach over SSH.

Free, then $9.99 a monthChecked 6 Nov

Daytona

Isolated cloud sandboxes that start in about 90ms for running AI-generated code and agents.

From $0.0504 per vcpu hourChecked 28 Oct

LangSmith Deployment (formerly LangGraph Platform)

Framework-agnostic runtime for long-running agents, with durable execution, state and 30+ API endpoints.

Free, then $39 a seat a monthChecked 1 Nov

CARDIAC-PURR AI Control Plane

Verified owner

OpenAI-compatible control plane that routes each call to the cheapest capable model and bills on verified savings.

FreeChecked 7 Nov

Merge

Verified owner

Integration layer that syncs data from hundreds of HR, CRM, accounting and ticketing systems into AI products.

Free, then $650 a monthChecked 2 Nov

Qdrant

Rust vector database that pairs filtered, dense plus sparse and multivector search and can run at the edge.

FreeChecked 12 Nov

Arize Phoenix

Local-first platform for tracing and scoring LLM agent runs that works fully on your laptop with no feature gates.

FreeChecked 5 Nov

Crawl4AI

A crawler for clean Markdown and typed JSON extraction from pages for RAG pipelines.

Free, then $10 a monthChecked 29 Oct

DeepEval

Python test framework that runs LLM app and agent evals as Pytest-style unit tests, locally or in CI.

FreeChecked 6 Nov

Guardrails AI

Test, govern, and protect LLM apps before release.

On quoteChecked 31 Oct

Helicone

AI gateway for routing, caching, and LLM observability.

Free, then $79 a monthChecked 24 Oct

HoneyHive

OpenTelemetry-native tracing, evaluation and monitoring for AI agents, with SaaS, hybrid or self-hosted deployment.

FreeChecked 8 Nov

Inspect

Open-source Python framework for evaluating LLMs and agents, from the UK AI Security Institute.

FreeChecked 27 Oct

LangWatch

AI observability and evaluation for testing prompts, agents, and traces.

Free, then about $32 a seat a monthChecked 1 Nov

LLM Guard

Open-source filters for safer prompts and model outputs.

No list priceChecked 15 Oct

Open WebUI

Self-hosted AI chat platform that connects to local or cloud models and extends with Python tools and functions.

FreeChecked 12 Nov

UpTrain

Open-source LLM evaluation framework with 20+ predefined checks, plus a managed dashboard that runs evals for you.

FreeChecked 1 Nov

Cognee

A memory layer that turns scattered data into reusable agent context.

Free, then $1 per 1m tokensChecked 1 Nov

Composio

AI agents that act across apps with managed integrations and scoped access.

Free, then $29 a seat a monthChecked 1 Nov

Hume AI

Audio-native decision model that answers plain-language questions about speech and sound with rater-style probabilities.

From $0.47 per 1m input tokensChecked 8 Nov

LiveKit Agents

Build, deploy, and monitor realtime AI agents.

Free, then $50 a monthChecked 1 Nov

Pinecone

Vector retrieval infrastructure for search, RAG, and agents.

Free, then $20 a monthChecked 24 Oct

Weights & Biases Weave

Trace, evaluate, and monitor AI applications in one workspace.

Free, then $60 a monthChecked 25 Oct

Mem0

Persistent AI memory infrastructure for agents and apps.

FreeChecked 1 Nov

Nango

Integration platform that turns plain-English ideas into TypeScript functions.

Free, then $50 a monthChecked 24 Oct

StackOne

Verified owner

Connects AI agents to business applications and secures the actions they take.

Free, then $22.50 a monthChecked 1 Nov

AgentPhone

Verified owner

Phone infrastructure for AI agents handling calls and texts.

From $3 a number a monthChecked 28 Oct

AgentQL

Query language that uses AI to find web page elements and return data as structured JSON instead of selectors.

Free, then $99 a monthChecked 13 Nov

E2B

Cloud sandboxes for AI agents to run code and tools.

Free, then $150 a monthChecked 24 Oct

ECC

Open-source agent governance for consistent repo workflows.

Free, then $19 a seat a monthChecked 28 Oct

Galileo AI Evaluate

AI observability and eval engineering for turning traces into guardrails.

From $100 per 1 2m spans month, billed annuallyChecked 7 Nov

Modal

AI-native container runtime for inference, training, and batch jobs.

Free, then $250 a monthChecked 24 Oct

Vektor Memory

Verified owner

Local persistent agent memory with SQLite, MAGMA graph retrieval, and MCP tools.

From $9 a monthChecked 25 Oct

LangSmith

LangChain's framework-agnostic platform for tracing, evaluating, monitoring and deploying LLM agents.

Free, then $39 a seat a monthChecked 10 Nov

LiteLLM

Gives one organization governed, budgeted access to 140+ model providers with spend tracking and routing.

FreeChecked 28 Oct

Aident Loadout

Verified owner

One capability layer that gives Codex, Claude Code, ChatGPT and other agents vaulted app access and audited actions.

From $9.90 a monthChecked 4 Nov

MetaMask Agent Wallet

Verified owner

Self-custodial wallet that lets AI agents trade onchain inside limits you set.

No list priceChecked 3 Oct

msgboard

Thread-based coordination API for agents, with private passphrase threads.

No list priceChecked 11 Sep

ORANO

Verified owner

App that turns saved Reels, Shorts and videos into summaries and task plans your personal agent can read and edit.

From $5 a monthChecked 12 Nov

Orthogonal

One endpoint for verified APIs, agent workflows, and per-call pricing.

No list priceChecked 27 Aug

Credo AI

AI governance platform that registers every agent, model and vendor, then enforces policy and builds audit evidence.

On quoteChecked 28 Oct

Routeweiler

Lets AI agents pay 402-gated APIs autonomously, under a hard spend cap.

No list priceChecked 16 Oct

Pilot Protocol

Direct peer-to-peer networking for AI agents with trust handshakes.

FreeChecked 30 Jul

Arcmira

Verified owner

Searchable index of YouTube and podcast transcripts that AI agents query for timestamped quotes, mentions and sponsors.

Free, then $20 a monthChecked 8 Nov

LlamaIndex

Agentic document parsing, extraction and indexing for AI builders, billed in credits.

Free, then $50 a monthChecked 27 Oct

Athina AI

AI workflow platform for prompts, evaluations, and monitoring.

No list priceChecked 3 Nov

Bifrost by Maxim AI

Go gateway that routes model calls across many providers and governs agent tool access through the same endpoint.

FreeChecked 2 Nov

Agentverse

Fetch.ai's platform for hosting, registering and getting AI agents discovered through ASI:One search.

Free, then $25 a monthChecked 3 Nov

AGI, Inc.

Cloud MCP server that lets Claude, ChatGPT or Cursor drive a real Android phone through accessibility APIs.

On quoteChecked 27 Oct

Hamming AI

Testing, red teaming and production monitoring for voice and chat agents, with simulated calls at scale.

On quoteChecked 2 Nov

mcp.run

Enterprise AI connectivity with governed access and audit controls.

On quoteChecked 16 Sep

Ptero

Verified owner

Chat app for switching between hosted language models, every one free to use without an account or a paid tier.

FreeChecked 12 Nov

Salesforce AgentExchange

A unified marketplace for Salesforce and Slack AI solutions.

No list priceChecked 19 Sep

Opik

Trace, test, and monitor agent behavior in one platform.

Free, then $19 a monthChecked 1 Nov

Patronus AI

Research lab selling RL environments and post-training data, scored by training open models on its own tasks.

On quoteChecked 12 Nov

Netra

Verified owner

OpenTelemetry-native tracing, evals, simulation and red teaming for text, voice, image and video AI agents.

Free, then $39 a monthChecked 7 Nov

You.com

Web search, page extraction and research APIs, plus an inference router, for AI apps and agents.

Free, then $5 per 1k callsChecked 27 Oct

NanoParse

Verified owner

Web page to Markdown for AI agents, with rule-based trust signals and per-parse x402 payment in USDC.

Free, then $0.002 per parseChecked 14 Nov

Zelto

Verified owner

Production QA and observability for voice and text AI agents.

On quoteChecked 20 Oct

Sandbox0

Managed cloud sandboxes for AI agents with a persistent root filesystem and pausable compute.

From $0.015 per gib hourChecked 22 Oct