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BlockVectra Docs: Robinhood Chain & EVM

by com.blockvectra
OverviewDiscussionsAdmin

Search Documentation

search_docs
Read-only

Find documentation by topic or task keywords in page titles, navigation titles, relative paths, and summaries. Read a result with read_doc using its path and the same lang; use read_doc directly for a known path. Omit lang for English; limit is 1-20 (default 5). If no results match, try broader keywords or read_doc with path 'quickstart'. Available without an API key.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "query": "<query>"
    },
    "name": "search_docs"
  }
}

Input Schema

NameRequiredDescriptionDefault
langNoPublished documentation language (case-insensitive, e.g. zh-hant or zh-Hant). Omit for English; unavailable languages return an error.
limitNoMaximum number of search results to return (1-20, default 5).
queryYesKeywords to search for in documentation titles, navigation titles, paths, and summaries.

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / anyOf
      Previous value: -[
-  {
-    "allOf": [
-      {
-        "properties": {
-          "message": {
-            "type": "string"
-          },
-          "results": {
-            "items": {
-              "properties": {
-                "path": {
-                  "type": "string"
-                },
-                "summary": {
-                  "type": "string"
-                },
-                "title": {
-                  "type": "string"
-                }
-              },
-              "required": [
-                "title",
-                "path",
-                "summary"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "results"
-        ],
-        "type": "object"
-      },
-      {
-        "not": {
-          "properties": {
-            "error": {
-              "const": "invalid_tool_arguments",
-              "type": "string"
-            }
-          },
-          "required": [
-            "error"
-          ],
-          "type": "object"
-        }
-      }
-    ]
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "error": {
-        "const": "invalid_tool_arguments",
-        "type": "string"
-      },
-      "message": {
-        "minLength": 1,
-        "type": "string"
-      },
-      "reason": {
-        "enum": [
-          "invalid_root",
-          "schema_type",
-          "schema_enum",
-          "undeclared_property",
-          "credential_field",
-          "credential_value"
-        ],
-        "type": "string"
-      }
-    },
-    "required": [
-      "error",
-      "reason",
-      "message"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "allOf": [
+      {
+        "anyOf": [
+          {
+            "allOf": [
+              {
+                "properties": {
+                  "message": {
+                    "type": "string"
+                  },
+                  "results": {
+                    "items": {
+                      "properties": {
+                        "path": {
+                          "type": "string"
+                        },
+                        "summary": {
+                          "type": "string"
+                        },
+                        "title": {
+                          "type": "string"
+                        }
+                      },
+                      "required": [
+                        "title",
+                        "path",
+                        "summary"
+                      ],
+                      "type": "object"
+                    },
+                    "type": "array"
+                  }
+                },
+                "required": [
+                  "results"
+                ],
+                "type": "object"
+              },
+              {
+                "not": {
+                  "properties": {
+                    "error": {
+                      "const": "executor_request_rejected",
+                      "type": "string"
+                    }
+                  },
+                  "required": [
+                    "error"
+                  ],
+                  "type": "object"
+                }
+              }
+            ]
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "error": {
+                "const": "executor_request_rejected",
+                "type": "string"
+              },
+              "message": {
+                "minLength": 1,
+                "type": "string"
+              },
+              "reason": {
+                "enum": [
+                  "query_required"
+                ],
+                "type": "string"
+              }
+            },
+            "required": [
+              "error",
+              "reason",
+              "message"
+            ],
+            "type": "object"
+          }
+        ],
+        "type": "object"
+      },
+      {
+        "not": {
+          "properties": {
+            "error": {
+              "const": "invalid_tool_arguments",
+              "type": "string"
+            }
+          },
+          "required": [
+            "error"
+          ],
+          "type": "object"
+        }
+      }
+    ]
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "const": "invalid_tool_arguments",
+        "type": "string"
+      },
+      "message": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "reason": {
+        "enum": [
+          "invalid_root",
+          "schema_type",
+          "schema_enum",
+          "undeclared_property",
+          "credential_field",
+          "credential_value"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "reason",
+      "message"
+    ],
+    "type": "object"
+  }
+]
  2. Changed3 schema fields changed
    • addedOutput schema / anyOf
      Added value: +[
+  {
+    "allOf": [
+      {
+        "properties": {
+          "message": {
+            "type": "string"
+          },
+          "results": {
+            "items": {
+              "properties": {
+                "path": {
+                  "type": "string"
+                },
+                "summary": {
+                  "type": "string"
+                },
+                "title": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "title",
+                "path",
+                "summary"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "results"
+        ],
+        "type": "object"
+      },
+      {
+        "not": {
+          "properties": {
+            "error": {
+              "const": "invalid_tool_arguments",
+              "type": "string"
+            }
+          },
+          "required": [
+            "error"
+          ],
+          "type": "object"
+        }
+      }
+    ]
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "error": {
+        "const": "invalid_tool_arguments",
+        "type": "string"
+      },
+      "message": {
+        "minLength": 1,
+        "type": "string"
+      },
+      "reason": {
+        "enum": [
+          "invalid_root",
+          "schema_type",
+          "schema_enum",
+          "undeclared_property",
+          "credential_field",
+          "credential_value"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "reason",
+      "message"
+    ],
+    "type": "object"
+  }
+]
    • removedOutput schema / properties
      Removed value: -{
-  "message": {
-    "type": "string"
-  },
-  "results": {
-    "items": {
-      "properties": {
-        "path": {
-          "type": "string"
-        },
-        "summary": {
-          "type": "string"
-        },
-        "title": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "title",
-        "path",
-        "summary"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  }
-}
    • removedOutput schema / required
      Removed value: -[
-  "results"
-]
  3. Changed1 schema field changed
    • changedInput schema / properties / query / description
      Previous value: -"Keywords to search for in documentation titles, paths, and summaries."New value: +"Keywords to search for in documentation titles, navigation titles, paths, and summaries."
  4. Changed1 schema field changed
    • changedInput schema / properties / lang / description
      Previous value: -"Published documentation language. Omit for English; unavailable languages return an error."New value: +"Published documentation language (case-insensitive, e.g. zh-hant or zh-Hant). Omit for English; unavailable languages return an error."
  5. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh",
-  "de",
-  "es",
-  "fr",
-  "id",
-  "ja",
-  "ko",
-  "pt-br",
-  "ru",
-  "tr",
-  "vi",
-  "zh-hant"
-]New value: +[
+  "en",
+  "zh",
+  "de",
+  "es",
+  "fr",
+  "id",
+  "ja",
+  "ko",
+  "pt-br",
+  "ru",
+  "th",
+  "tr",
+  "uk",
+  "vi",
+  "zh-hant"
+]
  6. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh",
-  "es",
-  "id",
-  "ja",
-  "ko",
-  "pt-br",
-  "ru",
-  "vi",
-  "zh-hant"
-]New value: +[
+  "en",
+  "zh",
+  "de",
+  "es",
+  "fr",
+  "id",
+  "ja",
+  "ko",
+  "pt-br",
+  "ru",
+  "tr",
+  "vi",
+  "zh-hant"
+]
  7. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh",
-  "es",
-  "id",
-  "ja",
-  "ko",
-  "pt-br",
-  "vi",
-  "zh-hant"
-]New value: +[
+  "en",
+  "zh",
+  "es",
+  "id",
+  "ja",
+  "ko",
+  "pt-br",
+  "ru",
+  "vi",
+  "zh-hant"
+]
  8. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh",
-  "ja",
-  "ko",
-  "pt-br"
-]New value: +[
+  "en",
+  "zh",
+  "es",
+  "id",
+  "ja",
+  "ko",
+  "pt-br",
+  "vi",
+  "zh-hant"
+]
  9. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh",
-  "ko"
-]New value: +[
+  "en",
+  "zh",
+  "ja",
+  "ko",
+  "pt-br"
+]
  10. Changed1 schema field changed
    • changedInput schema / properties / lang / enum
      Previous value: -[
-  "en",
-  "zh"
-]New value: +[
+  "en",
+  "zh",
+  "ko"
+]
  11. Changed1 schema field changed
    • changedInput schema / properties / lang / description
      Previous value: -"Language to search: 'en' for English or 'zh' for Chinese. Defaults to 'en'."New value: +"Published documentation language. Omit for English; unavailable languages return an error."
  12. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "properties": {
+    "message": {
+      "type": "string"
+    },
+    "results": {
+      "items": {
+        "properties": {
+          "path": {
+            "type": "string"
+          },
+          "summary": {
+            "type": "string"
+          },
+          "title": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "title",
+          "path",
+          "summary"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "results"
+  ],
+  "type": "object"
+}
  13. First observed

TDQS

A4.7/5.0
Behavior4/5

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

The readOnlyHint/openWorldHint annotations already establish this as a safe, closed-world read, and the description adds real context beyond them: no API key required, unavailable languages return an error, and English is the default lang. It also implies the result set carries a path and lang needed to chain into read_doc. It stops short of describing result ordering or relevance behavior, so it is strong but not exhaustive.

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?

Four short sentences, front-loaded with the search capability, then routing, then parameter defaults, then failure recovery. Nothing is wasted; the only mild redundancy is restating the 1-20 limit already in the schema, which is defensible as a quick-reference detail.

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 three-parameter search tool with an output schema, an annotated read-only profile, and a single sibling, this covers everything an agent needs: what is searched, how to consume results, language handling, result-count control, auth requirements, and what to do when nothing matches.

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?

Schema coverage is 100%, so the per-parameter baseline is 3. The description adds meaning by tying lang to downstream use ("the same lang") — a chaining constraint the schema does not express — while the limit range and English default largely restate schema text.

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 verb+resource ("Find documentation") and narrows the search surface to titles, navigation titles, relative paths, and summaries. It also draws the boundary against the sibling tool by naming read_doc and explaining that read_doc is for a known path, so an agent can pick between the two without opening either schema.

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

Usage Guidelines5/5

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

Explicit routing rules are given both ways: search first, then read with read_doc using the returned path and the same lang, or go directly to read_doc if the path is known. It also handles the empty-result case with a concrete fallback ("try broader keywords or read_doc with path 'quickstart'").

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

All BlockVectra Docs: Robinhood Chain & EVM toolsInspect
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