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dsail_use_workspace
Idempotent

Work in a different team, or in your own workspace.

Use when the user wants to work on a different team's rulesets, or to go back to their own.

Chooses which workspace this user's saving and listing happen in. workspace names a team by its name or its id, or is personal for their own workspace. The choice persists across sessions. If two of their teams share a name the call is refused and names the ids, rather than guessing.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
workspaceYesA team's name or id, or `personal` for the user's own workspace.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / oneOf
      Previous value: -[
-  {
-    "description": "The workspace now in use.",
-    "properties": {
-      "ok": {
-        "const": true,
-        "type": "boolean"
-      },
-      "versions": {
-        "description": "Which engine and which wire contract produced this response.",
-        "properties": {
-          "engine": {
-            "example": "dsail-core",
-            "type": "string"
-          },
-          "engine_version": {
-            "type": "string"
-          },
-          "language_version": {
-            "description": "DSAIL language version.",
-            "type": "string"
-          },
-          "service_version": {
-            "type": "string"
-          },
-          "supported_language_versions": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "wire_version": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "engine",
-          "engine_version",
-          "language_version",
-          "service_version",
-          "wire_version"
-        ],
-        "type": "object"
-      },
-      "workspace": {
-        "type": "object"
-      }
-    },
-    "required": [
-      "ok"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "error": {
-        "properties": {
-          "actual": {
-            "type": "integer"
-          },
-          "budget": {
-            "type": "string"
-          },
-          "code": {
-            "enum": [
-              "VALIDATION_REJECTED",
-              "COMPILE_FAILED",
-              "BUDGET_EXCEEDED",
-              "RULESET_NOT_FOUND",
-              "ENGINE_ERROR",
-              "BAD_REQUEST",
-              "CREDENTIAL_REQUIRED",
-              "CREDENTIAL_INVALID",
-              "CREDENTIAL_SCOPE",
-              "EVALUATION_LIMIT",
-              "ENTITLEMENT_EXCEEDED",
-              "TIER_UNAVAILABLE"
-            ],
-            "type": "string"
-          },
-          "diagnostics": {
-            "items": {
-              "properties": {
-                "line": {
-                  "type": [
-                    "integer",
-                    "null"
-                  ]
-                },
-                "message": {
-                  "type": "string"
-                },
-                "severity": {
-                  "enum": [
-                    "error",
-                    "warning"
-                  ],
-                  "type": "string"
-                }
-              },
-              "required": [
-                "severity",
-                "message"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "docs": {
-            "description": "The docs-site page that resolves this code (markdown). Fetch it before retrying blind.",
-            "format": "uri",
-            "type": "string"
-          },
-          "failure_count": {
-            "description": "How many fields failed in total. Equal to the length of `failures` unless a very large rejection was truncated, which the message says.",
-            "type": "integer"
-          },
-          "failures": {
-            "description": "EVERY failing field, not the first one.",
-            "items": {
-              "properties": {
-                "expected": {
-                  "type": "string"
-                },
-                "field": {
-                  "type": "string"
-                },
-                "received": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "field",
-                "expected",
-                "received"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "hint": {
-            "description": "The grammar guide, carried on compile failures so the next call can succeed without a human.",
-            "type": "string"
-          },
-          "limit": {
-            "type": "integer"
-          },
-          "message": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "code",
-          "message"
-        ],
-        "type": "object"
-      },
-      "ok": {
-        "const": false,
-        "type": "boolean"
-      },
-      "versions": {
-        "description": "Which engine and which wire contract produced this response.",
-        "properties": {
-          "engine": {
-            "example": "dsail-core",
-            "type": "string"
-          },
-          "engine_version": {
-            "type": "string"
-          },
-          "language_version": {
-            "description": "DSAIL language version.",
-            "type": "string"
-          },
-          "service_version": {
-            "type": "string"
-          },
-          "supported_language_versions": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "wire_version": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "engine",
-          "engine_version",
-          "language_version",
-          "service_version",
-          "wire_version"
-        ],
-        "type": "object"
-      }
-    },
-    "required": [
-      "ok",
-      "error",
-      "versions"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "description": "The workspace now in use.",
+    "properties": {
+      "ok": {
+        "const": true,
+        "type": "boolean"
+      },
+      "versions": {
+        "description": "Which engine and which wire contract produced this response.",
+        "properties": {
+          "engine": {
+            "example": "dsail-core",
+            "type": "string"
+          },
+          "engine_version": {
+            "type": "string"
+          },
+          "language_version": {
+            "description": "DSAIL language version.",
+            "type": "string"
+          },
+          "service_version": {
+            "type": "string"
+          },
+          "supported_language_versions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "wire_version": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "engine",
+          "engine_version",
+          "language_version",
+          "service_version",
+          "wire_version"
+        ],
+        "type": "object"
+      },
+      "workspace": {
+        "type": "object"
+      }
+    },
+    "required": [
+      "ok"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "error": {
+        "properties": {
+          "actual": {
+            "description": "How much the request used, where that is known. Absent for solver_memory_mb: the solver stops at the limit.",
+            "type": "integer"
+          },
+          "budget": {
+            "type": "string"
+          },
+          "code": {
+            "enum": [
+              "VALIDATION_REJECTED",
+              "COMPILE_FAILED",
+              "BUDGET_EXCEEDED",
+              "RULESET_NOT_FOUND",
+              "ENGINE_ERROR",
+              "ENGINE_BUSY",
+              "BAD_REQUEST",
+              "CREDENTIAL_REQUIRED",
+              "CREDENTIAL_INVALID",
+              "CREDENTIAL_SCOPE",
+              "EVALUATION_LIMIT",
+              "ENTITLEMENT_EXCEEDED",
+              "TIER_UNAVAILABLE"
+            ],
+            "type": "string"
+          },
+          "diagnostics": {
+            "items": {
+              "properties": {
+                "line": {
+                  "type": [
+                    "integer",
+                    "null"
+                  ]
+                },
+                "message": {
+                  "type": "string"
+                },
+                "severity": {
+                  "enum": [
+                    "error",
+                    "warning"
+                  ],
+                  "type": "string"
+                }
+              },
+              "required": [
+                "severity",
+                "message"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "docs": {
+            "description": "The docs-site page that resolves this code (markdown). Fetch it before retrying blind.",
+            "format": "uri",
+            "type": "string"
+          },
+          "failure_count": {
+            "description": "How many fields failed in total. Equal to the length of `failures` unless a very large rejection was truncated, which the message says.",
+            "type": "integer"
+          },
+          "failures": {
+            "description": "EVERY failing field, not the first one.",
+            "items": {
+              "properties": {
+                "expected": {
+                  "type": "string"
+                },
+                "field": {
+                  "type": "string"
+                },
+                "received": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "field",
+                "expected",
+                "received"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "hint": {
+            "description": "The grammar guide, carried on compile failures so the next call can succeed without a human.",
+            "type": "string"
+          },
+          "limit": {
+            "type": "integer"
+          },
+          "message": {
+            "type": "string"
+          },
+          "retry_after_ms": {
+            "description": "ENGINE_BUSY only: when to retry. The REST door also sends it, in seconds, as Retry-After.",
+            "type": "integer"
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "type": "object"
+      },
+      "ok": {
+        "const": false,
+        "type": "boolean"
+      },
+      "versions": {
+        "description": "Which engine and which wire contract produced this response.",
+        "properties": {
+          "engine": {
+            "example": "dsail-core",
+            "type": "string"
+          },
+          "engine_version": {
+            "type": "string"
+          },
+          "language_version": {
+            "description": "DSAIL language version.",
+            "type": "string"
+          },
+          "service_version": {
+            "type": "string"
+          },
+          "supported_language_versions": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "wire_version": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "engine",
+          "engine_version",
+          "language_version",
+          "service_version",
+          "wire_version"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "ok",
+      "error",
+      "versions"
+    ],
+    "type": "object"
+  }
+]
  2. Changed2 schema fields changed
    • addedInput schema / properties / workspace / description
      Added value: +"A team's name or id, or `personal` for the user's own workspace."
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "description": "The current workspace. On failure `ok` is false and `error` carries `code`, `message` and `docs`, the URL of the page that resolves it.",
+  "oneOf": [
+    {
+      "description": "The workspace now in use.",
+      "properties": {
+        "ok": {
+          "const": true,
+          "type": "boolean"
+        },
+        "versions": {
+          "description": "Which engine and which wire contract produced this response.",
+          "properties": {
+            "engine": {
+              "example": "dsail-core",
+              "type": "string"
+            },
+            "engine_version": {
+              "type": "string"
+            },
+            "language_version": {
+              "description": "DSAIL language version.",
+              "type": "string"
+            },
+            "service_version": {
+              "type": "string"
+            },
+            "supported_language_versions": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "wire_version": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "engine",
+            "engine_version",
+            "language_version",
+            "service_version",
+            "wire_version"
+          ],
+          "type": "object"
+        },
+        "workspace": {
+          "type": "object"
+        }
+      },
+      "required": [
+        "ok"
+      ],
+      "type": "object"
+    },
+    {
+      "properties": {
+        "error": {
+          "properties": {
+            "actual": {
+              "type": "integer"
+            },
+            "budget": {
+              "type": "string"
+            },
+            "code": {
+              "enum": [
+                "VALIDATION_REJECTED",
+                "COMPILE_FAILED",
+                "BUDGET_EXCEEDED",
+                "RULESET_NOT_FOUND",
+                "ENGINE_ERROR",
+                "BAD_REQUEST",
+                "CREDENTIAL_REQUIRED",
+                "CREDENTIAL_INVALID",
+                "CREDENTIAL_SCOPE",
+                "EVALUATION_LIMIT",
+                "ENTITLEMENT_EXCEEDED",
+                "TIER_UNAVAILABLE"
+              ],
+              "type": "string"
+            },
+            "diagnostics": {
+              "items": {
+                "properties": {
+                  "line": {
+                    "type": [
+                      "integer",
+                      "null"
+                    ]
+                  },
+                  "message": {
+                    "type": "string"
+                  },
+                  "severity": {
+                    "enum": [
+                      "error",
+                      "warning"
+                    ],
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "severity",
+                  "message"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            },
+            "docs": {
+              "description": "The docs-site page that resolves this code (markdown). Fetch it before retrying blind.",
+              "format": "uri",
+              "type": "string"
+            },
+            "failure_count": {
+              "description": "How many fields failed in total. Equal to the length of `failures` unless a very large rejection was truncated, which the message says.",
+              "type": "integer"
+            },
+            "failures": {
+              "description": "EVERY failing field, not the first one.",
+              "items": {
+                "properties": {
+                  "expected": {
+                    "type": "string"
+                  },
+                  "field": {
+                    "type": "string"
+                  },
+                  "received": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "field",
+                  "expected",
+                  "received"
+                ],
+                "type": "object"
+              },
+              "type": "array"
+            },
+            "hint": {
+              "description": "The grammar guide, carried on compile failures so the next call can succeed without a human.",
+              "type": "string"
+            },
+            "limit": {
+              "type": "integer"
+            },
+            "message": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "code",
+            "message"
+          ],
+          "type": "object"
+        },
+        "ok": {
+          "const": false,
+          "type": "boolean"
+        },
+        "versions": {
+          "description": "Which engine and which wire contract produced this response.",
+          "properties": {
+            "engine": {
+              "example": "dsail-core",
+              "type": "string"
+            },
+            "engine_version": {
+              "type": "string"
+            },
+            "language_version": {
+              "description": "DSAIL language version.",
+              "type": "string"
+            },
+            "service_version": {
+              "type": "string"
+            },
+            "supported_language_versions": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "wire_version": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "engine",
+            "engine_version",
+            "language_version",
+            "service_version",
+            "wire_version"
+          ],
+          "type": "object"
+        }
+      },
+      "required": [
+        "ok",
+        "error",
+        "versions"
+      ],
+      "type": "object"
+    }
+  ],
+  "type": "object"
+}
  3. First observed

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds meaningful behavior beyond annotations: the workspace choice persists across sessions, and ambiguous team names cause the call to be refused with IDs named rather than guessing. These are non-obvious behavioral details that the annotations do not convey.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact, front-loaded with the core purpose, and every sentence adds useful information: usage trigger, effect, parameter format, persistence, and edge-case behavior. No filler or redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter tool with an output schema and rich annotations, the description covers purpose, when to use it, parameter semantics, persistence, and ambiguity handling. Nothing essential is missing for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema already documents the parameter fully ('A team's name or id, or `personal`'). The description reinforces this and adds extra semantic context about how ambiguous names are handled, which helps the agent provide correct values.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific action ('Work in a different team, or in your own workspace') and resource ('workspace'), and clarifies that it determines where saving and listing happen. This distinguishes it from sibling tools like list_workspaces, which only list workspaces.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives explicit use context: 'when the user wants to work on a different team's rulesets, or to go back to their own.' It does not explicitly name alternative tools or state when not to use it, but the context is clear enough to route an agent correctly.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All DSAIL toolsInspect
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