AstroWay Platform

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MCP Tools List

astroway_mcp_tools_list

Read-only

Auto-generated tool manifest for MCP clients (modelcontextprotocol/2025-03 spec).

[Group: AI & MCP] [Endpoint: GET /v1/mcp/tools-list] [Cost: see your plan — endpoint not in the public credit manifest]

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

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

Input Schema

Name	Required	Description	Default
`fields`	No	Compact mode: comma-separated dotted paths to keep, relative to `data`, e.g. "planets.name,planets.longitude,houses.cusp". Omit for the whole response.
`precision`	No	Compact mode: round fractional numbers to this many decimals. Longitudes carry 14 by default; 2 is finer than any chart is drawn.

Output Schema

Name	Required	Description	Default
`spec`	No
`notes`	No
`tools`	No
`server`	No
`toolCount`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed8 schema fields changedNov 7, 2026

changedOutput schema / properties / notes / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

removedOutput schema / properties / server / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / server / type
```
Added value: +[
+  "string",
+  "null"
+]
```

removedOutput schema / properties / spec / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / spec / type
```
Added value: +[
+  "string",
+  "null"
+]
```

removedOutput schema / properties / toolCount / anyOf

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / toolCount / type
```
Added value: +[
+  "number",
+  "null"
+]
```

changedOutput schema / properties / tools / anyOf

Previous value: -[
-  {
-    "items": {
-      "anyOf": [
-        {
-          "additionalProperties": {},
-          "properties": {
-            "description": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "inputSchema": {
-              "anyOf": [
-                {
-                  "additionalProperties": {},
-                  "properties": {
-                    "properties": {
-                      "anyOf": [
-                        {
-                          "additionalProperties": {},
-                          "properties": {
-                            "body": {
-                              "anyOf": [
-                                {
-                                  "additionalProperties": {},
-                                  "properties": {
-                                    "description": {
-                                      "anyOf": [
-                                        {
-                                          "type": "string"
-                                        },
-                                        {
-                                          "type": "null"
-                                        }
-                                      ]
-                                    },
-                                    "type": {
-                                      "anyOf": [
-                                        {
-                                          "type": "string"
-                                        },
-                                        {
-                                          "type": "null"
-                                        }
-                                      ]
-                                    }
-                                  },
-                                  "type": "object"
-                                },
-                                {
-                                  "type": "null"
-                                }
-                              ]
-                            }
-                          },
-                          "type": "object"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    },
-                    "type": {
-                      "anyOf": [
-                        {
-                          "type": "string"
-                        },
-                        {
-                          "type": "null"
-                        }
-                      ]
-                    }
-                  },
-                  "type": "object"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            },
-            "name": {
-              "anyOf": [
-                {
-                  "type": "string"
-                },
-                {
-                  "type": "null"
-                }
-              ]
-            }
-          },
-          "type": "object"
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "anyOf": [
+        {
+          "additionalProperties": {},
+          "properties": {
+            "description": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "inputSchema": {
+              "anyOf": [
+                {
+                  "additionalProperties": {},
+                  "properties": {
+                    "properties": {
+                      "anyOf": [
+                        {
+                          "additionalProperties": {},
+                          "properties": {
+                            "body": {
+                              "anyOf": [
+                                {
+                                  "additionalProperties": {},
+                                  "properties": {
+                                    "description": {
+                                      "type": [
+                                        "string",
+                                        "null"
+                                      ]
+                                    },
+                                    "type": {
+                                      "type": [
+                                        "string",
+                                        "null"
+                                      ]
+                                    }
+                                  },
+                                  "type": "object"
+                                },
+                                {
+                                  "type": "null"
+                                }
+                              ]
+                            }
+                          },
+                          "type": "object"
+                        },
+                        {
+                          "type": "null"
+                        }
+                      ]
+                    },
+                    "type": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    }
+                  },
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ]
+            },
+            "name": {
+              "type": [
+                "string",
+                "null"
+              ]
+            }
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

First observedOct 5, 2026

TDQS

C2.8/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the description need not re-establish safety. It does add genuine behavioral context beyond the annotations: the underlying endpoint (GET /v1/mcp/tools-list) and the cost caveat that this endpoint is not in the public credit manifest, which matters for an openWorld tool. It says nothing about response size or whether the manifest reflects live server state.

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

Conciseness3/5

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

The substantive sentence is front-loaded and short, but the remainder is bracket-tag metadata (group, endpoint, cost) formatted as template filler rather than prose. The cost note earns its place; the group/endpoint tags add modest value for an agent already given structured annotations.

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

Completeness3/5

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

With an output schema present, return values need not be explained, and the read-only nature is covered by annotations. What is missing is the decision context: when an agent should invoke a manifest listing rather than a specific astrology tool or astroway_agent_tools, and whether the manifest is static or reflects the live session.

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

Parameters3/5

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

Schema description coverage is 100%, and both optional parameters (fields, precision) are documented in the schema with examples and defaults, so the description is not required to carry parameter meaning. It adds no additional parameter guidance, which is acceptable here but not above baseline.

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

Purpose3/5

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

The description states the resource ('tool manifest for MCP clients') and ties it to the modelcontextprotocol 2025-03 spec, so an agent can infer it returns a list of tool definitions. However, there is no verb (list/describe/fetch) and no differentiation from the sibling astroway_agent_tools, which plausibly also returns tool information, leaving the boundary ambiguous.

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

Usage Guidelines2/5

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

No when-to-use guidance is given, no exclusions, and no mention of alternatives such as astroway_agent_tools or astroway_cost_estimate. The only contextual hints are bracketed metadata (group, endpoint, cost) rather than actionable selection criteria.

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

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