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About

The Agent Communication Protocol (ACP) is an open interoperability standard designed to enable seamless communication between AI agents, applications, and human users. It provides a standardized RESTful API that supports synchronous and asynchronous interactions, streaming communication, long-running tasks, and both stateful and stateless operations. ACP is framework-agnostic, allowing agents built with technologies such as BeeAI, LangChain, CrewAI, or custom solutions to work together without requiring changes to their internal architecture. The protocol supports all content modalities through MimeTypes, making it flexible enough to handle text, images, audio, video, and custom data formats. ACP also includes capabilities for online and offline agent discovery, helping organizations find and connect compatible agents across different environments.

About

FirstHelm is a control plane for AI agents. It sits between your agent fleet — n8n, OpenAI, Anthropic, CrewAI, LangChain, Microsoft Copilot Studio, or any custom agent via REST API — and the rest of the world, deciding what each agent is allowed to do, not just showing what it did. Every action is logged and checked in flight against your rules: budget caps, blocked actions, and per-mission cost and token visibility. Expensive, risky or irreversible actions are held for human approval, and unanswered approvals expire safely — silence is not consent. Live dashboards let you steer agents mid-mission, and FirstHelm generates audit trails and compliance exports mapped to the EU AI Act, ISO 42001, SOC 2, UK GDPR, NIST AI RMF and FCA expectations — 38 controls, scored live from your own data. Freemium, framework-agnostic, UK-built.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

ACP is designed for AI developers, software engineers, technology teams, and organizations building, integrating, or managing interoperable AI agents across multiple platforms and frameworks

Audience

Small Business, Mid Size Business and Enterprise

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

£23/user/month
The Free plan costs £0 per user per month and includes up to 2 agents and 1 active mission. Starter costs £23 per user per month, billed monthly, and includes up to 10 agents and 5 missions. Pro costs £79 per user per month, and Enterprise costs £399 per user per month. Annual billing is available with two months free per year. Prices are in GBP and exclude VAT. All plans are priced per user, with no per-agent fee. Enterprise includes UK/EEA data residency and a 99.9% SLA.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

The Linux Foundation
agentcommunicationprotocol.dev/

Company Information

FirstHelm
Founded: 2026
United Kingdom
firsthelm.dev

Alternatives

Alternatives

LangGraph

LangGraph

LangChain

Categories

Agentic AI Supported

Categories

Integrations

CrewAI Supported
LangChain Supported
Anthropic Not Supported
AutoGen Not Supported
Botpress Not Supported
Brief Supported
Flowise Not Supported
Gumloop Not Supported
IBM watsonx Orchestrate Not Supported
Lindy Not Supported
Microsoft Copilot Studio Not Supported
MindStudio Not Supported
OpenAI Not Supported
Python Supported
Relevance AI Not Supported
Salesforce Agentforce Not Supported
TypeScript Supported
Voiceflow Not Supported
Zapier Not Supported
n8n Not Supported

Integrations

CrewAI Supported
LangChain Supported
Anthropic Supported
AutoGen Supported
Botpress Supported
Brief Not Supported
Flowise Supported
Gumloop Supported
IBM watsonx Orchestrate Supported
Lindy Supported
Microsoft Copilot Studio Supported
MindStudio Supported
OpenAI Supported
Python Not Supported
Relevance AI Supported
Salesforce Agentforce Supported
TypeScript Not Supported
Voiceflow Supported
Zapier Supported
n8n Supported
Claim Agent Communication Protocol (ACP) and update features and information
Claim Agent Communication Protocol (ACP) and update features and information
Claim FirstHelm and update features and information
Claim FirstHelm and update features and information