52 tools. 8 can modify or destroy data without limits.
1 destructive tool with no built-in limits. Policy required.
Last updated:
Community server · catalogue entry verified 11/06/2026
Running more than one server? Check your whole stack →
8 of Momentum's 52 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.
PolicyLayer is an MCP gateway — it sits between your AI agents and Momentum, and nothing reaches the server without passing your rules. These are the rules we recommend:
{
"find_best_to_sell": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
} Financial tools should be explicitly enabled per use case, not open by default.
{
"log_conviction": {
"limits": [
{
"counter": "log_conviction_per_hour",
"window": "hour",
"max": 30,
"scope": "grant"
}
]
}
} Prevents bulk unintended modifications from agents caught in loops.
{
"analyze_breadth": {
"limits": [
{
"counter": "analyze_breadth_per_minute",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
} Controls API costs and prevents retry loops from exhausting upstream rate limits.
Free to start. No card required.
Other MCP servers with similar tools — same risk classification, starter policies for each.
Yes. The Momentum server exposes 1 financial tools including find_best_to_sell. Without a policy, an autonomous agent can call these with no spend caps, no rate limits, and no approval flow. PolicyLayer lets you block financial tools by default, require human approval, or set per-tool rate limits — enforced on every call.
The Momentum server has 2 write tools including log_conviction, save_strategy. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Momentum.
52 tools across 3 categories: Execute, Read, Write. 44 are read-only. 8 can modify, create, or delete data.
Register the Momentum MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.
Deterministic rules across all 52 Momentum tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
52 Momentum tools catalogued and risk-classified — across an index of 43,000+ MCP servers.