# sch_place_junction

A write tool on the Altium-MCP-Suite MCP server.

Agent View of the PolicyLayer registry record for `sch_place_junction`. HTML page: https://policylayer.com/tools/altium-mcp-suite/sch-place-junction

## Facts

- Tool: `sch_place_junction`
- Server: Altium-MCP-Suite (`M-R-Abedini/Altium-MCP-Suite`) — https://policylayer.com/tools/altium-mcp-suite.md
- Homepage: https://github.com/M-R-Abedini/Altium-MCP-Suite
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "sch_place_junction",
    "arguments": {}
  }
}
```

## Why sch_place_junction is rated Medium

Based on the tool name within the Altium Designer automation context, this tool appears to create or modify schematic elements by placing junctions (electrical connection points). This is a reversible Write operation—junctions can be added and removed without permanent data loss.

From the tool's own definition: "Tool name 'sch_place_junction' indicates placement of a junction element in a schematic. Junctions are non-destructive modifications to schematic design."

## Use case

AI agents use sch_place_junction to create or update resources in Altium-MCP-Suite, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Altium-MCP-Suite environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Altium-MCP-Suite:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "sch_place_junction": {
      "limits": [
        {
          "counter": "sch_place_junction_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Altium-MCP-Suite (816)

- `easyeda_clear_findings` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-clear-findings.md
- `easyeda_clear_routing` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-clear-routing.md
- `easyeda_clear_schematic_selection` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-clear-schematic-selection.md
- `easyeda_clear_selection` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-clear-selection.md
- `easyeda_close_document` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-close-document.md
- `easyeda_delete_device` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-device.md
- `easyeda_delete_footprint` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-footprint.md
- `easyeda_delete_panel` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-panel.md
- `easyeda_delete_pcb` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-pcb.md
- `easyeda_delete_primitives` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-primitives.md
- `easyeda_delete_project` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-project.md
- `easyeda_delete_schematic` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-schematic.md
- `easyeda_delete_schematic_page` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-schematic-page.md
- `easyeda_delete_schematic_primitives` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-schematic-primitives.md
- `easyeda_delete_symbol` — Destructive — https://policylayer.com/tools/altium-mcp-suite/easyeda-delete-symbol.md
- `kicad_delete_component` — Destructive — https://policylayer.com/tools/altium-mcp-suite/kicad-delete-component.md
- `lib_clear_source_library` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-clear-source-library.md
- `lib_delete_component` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-delete-component.md
- `lib_delete_footprint` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-delete-footprint.md
- `lib_delete_footprint_primitives` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-delete-footprint-primitives.md
- `lib_remove_model` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-remove-model.md
- `lib_uninstall_library` — Destructive — https://policylayer.com/tools/altium-mcp-suite/lib-uninstall-library.md
- `obj_batch_delete` — Destructive — https://policylayer.com/tools/altium-mcp-suite/obj-batch-delete.md
- `obj_delete` — Destructive — https://policylayer.com/tools/altium-mcp-suite/obj-delete.md
- `pcb_clear_source_footprint_library` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-clear-source-footprint-library.md
- `pcb_delete_design_rule` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-delete-design-rule.md
- `pcb_delete_invalid_objects` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-delete-invalid-objects.md
- `pcb_delete_net` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-delete-net.md
- `pcb_delete_object` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-delete-object.md
- `pcb_remove_layer` — Destructive — https://policylayer.com/tools/altium-mcp-suite/pcb-remove-layer.md
- …and 786 more: https://policylayer.com/tools/altium-mcp-suite.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=altium-mcp-suite · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/altium-mcp-suite