TinyFn

random_string_2

Generate random string(s) from specified character set.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`count`	No	Number of strings to generate
`length`	No	Length of the string
`charset`	No	Character set: alphanumeric, alpha, numeric, lowercase, uppercase, hex, base64, ascii, symbols	alphanumeric

Output Schema

TableJSON Schema

Name	Required	Description	Default
`count`	No
`value`	No
`length`	No
`values`	No
`charset`	No

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

Changed3 schema fields changedAug 29, 2026

removedOutput schema / $defs / RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

addedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"RandomStringResponse"New value: +"app__routers__random_utils__RandomStringResponse"

Changed3 schema fields changedAug 29, 2026

addedOutput schema / $defs / RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

removedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"app__routers__random_utils__RandomStringResponse"New value: +"RandomStringResponse"

Changed3 schema fields changedJul 27, 2026

removedOutput schema / $defs / RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

addedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"RandomStringResponse"New value: +"app__routers__random_utils__RandomStringResponse"

Changed3 schema fields changedJul 17, 2026

addedOutput schema / $defs / RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

removedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"app__routers__random_utils__RandomStringResponse"New value: +"RandomStringResponse"

Changed3 schema fields changedJul 13, 2026

removedOutput schema / $defs / RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

addedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"RandomStringResponse"New value: +"app__routers__random_utils__RandomStringResponse"

Changed3 schema fields changedJul 8, 2026

addedOutput schema / $defs / RandomStringResponse

Added value: +{
+  "properties": {
+    "charset": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Charset"
+    },
+    "count": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Count"
+    },
+    "length": {
+      "anyOf": [
+        {
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Length"
+    },
+    "value": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Value"
+    },
+    "values": {
+      "anyOf": [
+        {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "title": "Values"
+    }
+  },
+  "title": "RandomStringResponse",
+  "type": "object"
+}

removedOutput schema / $defs / app__routers__random_utils__RandomStringResponse

Removed value: -{
-  "properties": {
-    "charset": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Charset"
-    },
-    "count": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Count"
-    },
-    "length": {
-      "anyOf": [
-        {
-          "type": "integer"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Length"
-    },
-    "value": {
-      "anyOf": [
-        {
-          "type": "string"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Value"
-    },
-    "values": {
-      "anyOf": [
-        {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
-        {
-          "type": "null"
-        }
-      ],
-      "title": "Values"
-    }
-  },
-  "title": "RandomStringResponse",
-  "type": "object"
-}

changedOutput schema / x-fastmcp-top-level-schema

Previous value: -"app__routers__random_utils__RandomStringResponse"New value: +"RandomStringResponse"

First observedJun 27, 2026

TDQS

B3.2/5.0

Behavior2/5

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

No annotations are provided, so the description carries the full burden. It discloses only the basic generation behavior and the character-set option; it does not mention randomness source, default behavior, or return shape. For a pure generator without annotations, this is minimal but not misleading.

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 one sentence with no redundant words. It front-loads the action and includes the key qualifier, so it is appropriately concise for a simple tool.

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

Completeness4/5

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

With a fully documented schema and an output schema present, the description does not need to explain return values or parameter details. It provides the essential purpose and the tool's distinctive feature. It slightly under-specifies why this differs from random_string, but the low complexity makes it broadly adequate.

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?

The input schema documents all three parameters with descriptions (count, length, charset), so schema coverage is 100%. The description's mention of 'character set' marginally reinforces the charset parameter but adds no new meaning beyond the schema, so baseline 3 applies.

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

Purpose4/5

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

The description states the core function with a clear verb ('Generate') and resource ('random string(s)') plus a scoping qualifier ('from specified character set'), which communicates the tool's distinguishing feature. However, it does not explicitly distinguish itself from similarly named siblings like random_string, random_text, or random_password, so it stops short of full sibling differentiation.

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?

There is no guidance on when to use this tool versus the many random-generation sibling tools. The phrase 'from specified character set' hints at a use case, but no when-to-use or exclusion criteria are provided.

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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TDQS

C2.3/5.0

Disambiguation2/5

Many tools have overlapping purposes, such as multiple random generators (random_integer, random_number), duplicate hashing functions (hash_md5, md5_checksum), and near-identical tools (compare, compare_2, compare_decimals). The sheer number of tools and lack of clear boundaries make it difficult for an agent to differentiate.

Naming Consistency1/5

Naming is highly inconsistent. There are duplicate tools with different names (camel_case vs to_camel_case, slug vs slugify), arbitrary suffixes like '_2', and mixing of patterns (e.g., generate_password vs password_entropy). No clear convention is followed.

Tool Count1/5

With 572 tools, the server is massively overpopulated for any coherent purpose. It includes trivial endpoints (true_endpoint, null, hello_world) and numerous duplicates, far exceeding a well-scoped utility set.

Completeness2/5

While the server covers many domains (math, strings, dates, colors, etc.), the presence of duplicate and trivial tools indicates a lack of thoughtful curation. There are gaps in basic operations (e.g., no dedicated file or network tools), and many tools are redundant.

random_string_2

Input Schema

Output Schema

Schema Changelog

TDQS

Glama MCP Gateway

TDQS

Resources