Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute_cantilever_wall. In-situ mass concrete gravity retaining wall (typical C20/25 to C25/30) with trapezoidal cross...
Risk signalsHigh parameter count (33 properties)
Part of the Civilquants server.
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AI agents invoke compute_gravity_wall to trigger processes or run actions in Civilquants. Execute operations can have side effects beyond the immediate call -- triggering builds, sending notifications, or starting workflows. Rate limits and argument validation are essential to prevent runaway execution.
compute_gravity_wall can trigger processes with real-world consequences. An uncontrolled agent might start dozens of builds, send mass notifications, or kick off expensive compute jobs. PolicyLayer enforces rate limits and validates arguments to keep execution within safe bounds.
Execute tools trigger processes. Rate-limit and validate arguments to prevent unintended side effects.
{
"version": "1",
"default": "deny",
"tools": {
"compute_gravity_wall": {
"limits": [
{
"counter": "compute_gravity_wall_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}See the full Civilquants policy for all 52 tools.
These attack patterns abuse exactly the kind of access compute_gravity_wall gives an agent. Each links to the full case and the policy that stops it:
Other execute tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute_cantilever_wall. In-situ mass concrete gravity retaining wall (typical C20/25 to C25/30) with trapezoidal cross-section, retaining soil by self-weight rather than structural action. Eight variant presets exercise the parameter form — landscape, highway boundary, trapezoidal, stepped-front, toe-projection, keyed-base, stepped-foundation, and battered-back-vertical-front. Routes via wall_type='gravity' attribute discrimination through CESMM4 F.5.3, NRM2 11.2.3, MMHW 1700.5 (SHW Cl. 1704 structural concrete), and SMM7 E10.2.3. Reinforcement default zero (gravity walls are nominally unreinforced); optional nominal face mesh available via nominal_face_reinforcement_kg_per_m3 parameter. Includes excavation (battered or supported, level or stepped foundation), blinding, drainage system (subsoil drain + granular surround + geotextile separator), Class 6N backfill, disposal, and formwork to vertical and battered faces. 13th use of the classed-then-legacy attribute discrimination pattern, and first use in the retaining wall family — opening the wall moat for subsequent counterfort (S30), anchored (S31) and bored pile (S32) variants. Example params: stem_height=3 m (1.5–6), stem_thickness_top=0.4 m (0.2–1), stem_thickness_bottom=1.3 m (0.4–2.5). Example call: {"params": {"stem_height": 3, "stem_thickness_top": 0.4, "stem_thickness_bottom": 1.3}, "standard": "MMHW"}. Omitted parameters use sensible engineering defaults. Pass deliverables=["xlsx"] to also receive a one-shot Excel BoQ download URL in the same call.. It is categorised as a Execute tool in the Civilquants MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Civilquants MCP server in PolicyLayer and add a rule for compute_gravity_wall: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Civilquants. Nothing to install.
compute_gravity_wall is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the compute_gravity_wall rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for compute_gravity_wall. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
compute_gravity_wall is provided by the Civilquants MCP server (https://api.civilquants.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 52 Civilquants tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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