Collar Guardrail — Pre-Trade Risk Layer
io.github.aiguardrail/backend
About Collar Guardrail — Pre-Trade Risk Layer
Collar Guardrail — Pre-Trade Risk Layer is an MCP server published by the GitHub account aiguardrail. Deterministic pre-trade risk checks for AI agents on Robinhood Chain. Returns allow/warn/deny.
It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.
It asks for no keys or passwords.
Version 1.0.5 was published on 6 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.
What it asks for
This server declares no environment variables, so it asks for no keys or settings.
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/aiguardrail/backend-mcp |
| Remote uses HTTPS | Pass | All remote endpoints use https:// |
| Secrets requested | Info | Asks for no secrets |
| Namespace ownership | Info | Name verified via GitHub account aiguardrail |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Tool descriptions read | Info | Lists 6 tools: evaluate_trade, evaluate_trade_paid, check_token_safety, simulate_balance, get_supported_assets, verify_audit_trail |
| Hidden instructions in tools | Pass | Read every tool description: no hidden characters or instructions to the AI |
Popularity & health: 43 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.aiguardrail/backend |
|---|---|
| Publisher | GitHub account aiguardrail |
| How the name is verified | Name verified via GitHub account aiguardrail. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Remote: hosted at a URL, nothing to install |
| Remote endpoints | streamable-http https://api.collarguardrail.com/mcp-http/mcp |
| Version | 1.0.5 |
| Published | |
| Last updated | |
| Source repository | https://github.com/aiguardrail/backend-mcp |
| Website | https://collarguardrail.com |
| Category | Agent safety & governance (assigned by keyword rule, not by hand) |
Related servers in Agent safety & governance
- SpendShield7/7Authorization layer between AI agents and money:…
- policy-gate4/4Deterministic allow/require_approval/deny verdicts for agent…
- atlas-mcp7/7Pre-action authorization for AI agents: permit, deny or escalate…
- quant-swarm8/8Risk-first pre-trade checks, PIT data, leakage audits, and a Shadow…
- agent-runtime-guard6/7Agent 运行时全栈拦截: allow/deny tool calls, Ed25519 receipts, blocks RCE,…
- blindoracle4/4Trust + counterparty-risk layer for x402 A2A trades: reputation,…