Unfragile

ActionLayer (actionlayer.io) has wound down its operations, so it is no longer available 1. For a similar action layer that lets agents invoke capabilities, Invokta and ToolHail are the closest matches 92.

1
Invoktainvokta.devwebsite read, tools not yet checked
Packages a product's capabilities as actions that any agent can invoke from code, the CLI, or MCP, behind one contract 9.
Website Docs
2
ToolHailtoolhail.comfound in code, not yet checked
Discovers ranked MCP servers for a task in plain language and proxies a tool call to the chosen server, metered per use 212.
Website Docs Pricing
for agents: call_tool · find_mcp_server
3
ActionLayeractionlayer.ioretired
The product's own page says its operations have wound down, so it is no longer offered 1.
Website
official:MCP server · io.actionlayer/actionlayer

Sources

1ActionLayeractionlayer.io · read 2026-10-29
2ToolHail — the tool layer for AI agentstoolhail.com · read 2026-10-29
9Invokta — Don't build another agent. Make your product invokable.invokta.dev · read 2026-10-29
12ToolHail: declares "call_tool" (the record we read)github.com · read 2026-10-24

For agents: the 10 actions behind this answer

· ActionLayer website read, tools not yet checked
Thank you for your interest in ActionLayer. Our operations have winded down.
call_tool · ToolHail found in code, not yet checked
Proxy one tool call to a discovered remote MCP server (paid). Every call passes pre-execution guards before anything runs: tools on TOOLHAIL_BLOCKED_TOOLS are always refused; when TOOLHAIL_ALLOWED_TOOLS is set (non-empty, no "*") only listed tools may fire; write/mutating-looking tool names are refu
marrow_hermes_integration · Marrow found in code, not yet checked
Return the Hermes Agent integration guide mapping /goal, verification evidence, /learn, /journey, and background subagents into Marrow proof and outcome workflows.
· Pipedream MCP website read, tools not yet checked
Managed auth and 10,000+ tools across 3,000+ APIs for the agents you're building and a secure gateway for the AI tools your company uses.
approval_prompt · cco-mcp found in code, not yet checked
Request approval for a tool call - integrates with audit log
· Toolsforagents website read, tools not yet checked
Decision Layer for AI Agents not 58 disconnected APIs. Advisor plans workflow, confidence, cost, and alternatives before you invoke.
Discover a callable interface · Agent Nexus (agentnexus.app) verified and signed
Given a natural-language need, return ranked APIs, MCP servers and CLIs with endpoint, auth mode, formats, limits, pricing and reliability score. e.g. send a transactional email e.g. query a postgres database from an agent e.g. transcode a video to mp4
· Working Machines website read, tools not yet checked
Working Machines is an AI agent integration platform that connects Codex, Claude, ChatGPT, Cursor, and custom agents to 1,400+ apps and 15,000+ actions through one secure application layer.
· Invokta website read, tools not yet checked
Invokta is the action layer for the agent ecosystem. Package what your product knows how to do as actions any agent can invoke from code, the CLI, or MCP, with one implementation and one contract behind them.
custom_api_call · Notion (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint

Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.