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. Cut slope stabilised by passively-stressed soil nails with an applied face system. Discriminat...
Risk signalsHigh parameter count (29 properties)
Part of the Civilquants server.
Free to start. No card required.
AI agents invoke compute_soil_nailed_slope 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_soil_nailed_slope 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_soil_nailed_slope": {
"limits": [
{
"counter": "compute_soil_nailed_slope_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_soil_nailed_slope 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. Cut slope stabilised by passively-stressed soil nails with an applied face system. Discriminates between four face systems via the face_system enum: SHOTCRETE_MESH (dominant UK highway-cutting choice per SHW Cl. 644), HARD_FACING_PANEL (premium permanent works), FLEXIBLE_MESH (weathered rock drape), and VEGETATED_GEOGRID (landscape-sensitive schemes). Third member of the earth_structures L1 leaf (after gabion_wall S29 and reinforced_soil_wall S30). Eight variant presets cover all four face systems × representative slope geometries. Routes via three new WorkCategory entries (SOIL_NAIL, SHOTCRETE_FACE, FACE_MESH_REINFORCEMENT) plus reuse of EXCAVATION_GENERAL, DISPOSAL, CONCRETE_REINFORCED, GEOTEXTILE_FILTER, GEOGRID, and TOPSOIL_PLACE. Codes: CESMM4 C.5.X (soil nail) + E.8.10 (shotcrete) + G.5.8 (mesh), NRM2 7.7.X + 5.28.1 + 11.6.1, MMHW 600.20.X + 600.21.1 + 600.22.1 (SHW Cl. 638-639 / Cl. 644), SMM7 D32.3.X (steel piling — soil nails) + D41.6/D41.7 (the NAMED home for the three earth-structures families now). 23rd use of the classed-then-legacy attribute discrimination pattern; 4th use of the declared-then-banded pattern (nail_length_m bands the C.5.X / 7.7.X / 600.20.X / D32.3.X third digit). Example params: slope_height_m=8 m (0.5–25), slope_angle_deg=65 ° (10–89), slope_length_m=30 m (2–500). Example call: {"params": {"slope_height_m": 8, "slope_angle_deg": 65, "slope_length_m": 30}, "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_soil_nailed_slope: 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_soil_nailed_slope 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_soil_nailed_slope 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_soil_nailed_slope. 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_soil_nailed_slope 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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