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agentswitchboard

by io.github.assafbar2
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Status
Healthy
Uptime
100.0% over 57 days
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
assafbar2/agentswitchboard.dev
GitHub Stars
0
Server Listing
agentSwitchBoard

TDQS

A4.2/5.0

Scored across 3 tools

Disambiguation5/5

Each tool has a clearly distinct role: search for discovery, get_agent for full details of a specific slug, and list_categories for browse/filter navigation. There is no meaningful overlap between the three.

Naming Consistency5/5

All tool names follow a consistent lowercase verb_noun pattern: get_agent, list_categories, search_agents. The singular/plural usage matches the tool's return semantics, so naming is predictable and clear.

Tool Count5/5

Three tools is a lean but well-scoped set for a read-only directory. Each tool maps to a distinct stage in the discovery workflow—search, browse categories, and retrieve details—with no redundant or filler tools.

Completeness4/5

The core directory workflow is covered: search agents, list categories to browse, and get full agent details. The only minor gap is the lack of an explicit list-all or paginated browsing tool, though search with category filters likely covers most discovery needs.

Available Tools

3 tools
get_agentGet Agent DetailsInspect

Full detail for one agent by slug: skills, auth, streaming/push support, tags, provider links.

ParametersJSON Schema
NameRequiredDescriptionDefault
slugYesAgent slug, e.g. "playwright-mcp"

Output Schema

ParametersJSON Schema
NameRequiredDescription
urlYes
nameYes
slugYes
tagsYes
skillsYes
addedAtNo
agentUrlYes
authTypeYes
officialYesFirst-party listing from a major vendor
providerYes
verifiedYes
categoriesYes
descriptionYes
providerUrlYes
accessMethodsYes
officialVendorYes
supportsStreamingYes
supportsPushNotificationsYes
list_categoriesList CategoriesAInspect

All directory categories with live agent counts. Slugs are valid inputs for search_agents.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription
categoriesYes

TDQS

A4.3/5.0
Behavior3/5

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

No annotations are present, so the description carries the full burden. It discloses that counts are live and that slugs are usable, which adds value. However, it does not mention any side effects, error conditions, or whether the operation is read-only, leaving some behavioral aspects undisclosed.

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?

Two sentences with zero filler. The primary purpose is front-loaded, and the usage hint is a single, focused addition. Every word earns its place.

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?

Given zero parameters and an existing output schema, the description is sufficient for an agent to invoke the tool correctly. It states what is returned (categories with live counts) and how to use the results (slugs for search_agents), leaving no critical gaps.

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 tool has zero parameters, so there is nothing to explain beyond the schema. Baseline 4 applies per the rubric since no parameters need semantic elaboration.

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 and resource: lists all directory categories, with the added detail of live agent counts. This clearly distinguishes it from siblings get_agent (single agent) and search_agents (search operation), so an agent can immediately tell it apart.

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?

Implies usage by noting that slugs are valid inputs for search_agents, which suggests a workflow: first list categories, then use slugs in searches. It does not explicitly contrast with get_agent, but the purpose is clear enough that an agent would know when to call it.

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

search_agentsSearch AgentsInspect

Search the Agent Switchboard directory of vetted AI agents, MCP servers, and agentic tools. Returns relevance-ranked matches. Filter by category slug, access methods, and/or official (first-party listings from major vendors).

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoMax results per page (1–50)
queryNoFree-text search (name, description, skills, tags)
accessNoRequire ALL of these access methods (api, mcp, cli, browser-extension)
offsetNoNumber of results to skip, for pagination
categoryNoCategory slug, e.g. "code-devtools", "voice-messaging"
officialNoOnly first-party listings from major vendors (e.g. Notion's own Notion MCP)

Output Schema

ParametersJSON Schema
NameRequiredDescription
limitYes
totalYesTotal matches before paging
agentsYes
offsetYes

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 2 tool updates
    • Changedget_agent3 fields changed
      • addedOutput schema / properties / official
        Added value: +{
+  "description": "First-party listing from a major vendor",
+  "type": "boolean"
+}
      • addedOutput schema / properties / officialVendor
        Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
      • changedOutput schema / required
        Previous value: -[
-  "name",
-  "slug",
-  "description",
-  "provider",
-  "categories",
-  "accessMethods",
-  "authType",
-  "verified",
-  "url",
-  "agentUrl",
-  "providerUrl",
-  "skills",
-  "tags",
-  "supportsStreaming",
-  "supportsPushNotifications"
-]New value: +[
+  "name",
+  "slug",
+  "description",
+  "provider",
+  "categories",
+  "accessMethods",
+  "authType",
+  "verified",
+  "official",
+  "officialVendor",
+  "url",
+  "agentUrl",
+  "providerUrl",
+  "skills",
+  "tags",
+  "supportsStreaming",
+  "supportsPushNotifications"
+]
    • Changedsearch_agents4 fields changed
      • addedInput schema / properties / official
        Added value: +{
+  "description": "Only first-party listings from major vendors (e.g. Notion's own Notion MCP)",
+  "type": "boolean"
+}
      • addedOutput schema / properties / agents / items / properties / official
        Added value: +{
+  "description": "First-party listing from a major vendor",
+  "type": "boolean"
+}
      • addedOutput schema / properties / agents / items / properties / officialVendor
        Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
      • changedOutput schema / properties / agents / items / required
        Previous value: -[
-  "name",
-  "slug",
-  "description",
-  "provider",
-  "categories",
-  "accessMethods",
-  "authType",
-  "verified",
-  "url"
-]New value: +[
+  "name",
+  "slug",
+  "description",
+  "provider",
+  "categories",
+  "accessMethods",
+  "authType",
+  "verified",
+  "official",
+  "officialVendor",
+  "url"
+]
  2. 1 tool update
    • Changedsearch_agents6 fields changed
      • addedInput schema / properties / limit / description
        Added value: +"Max results per page (1–50)"
      • addedInput schema / properties / offset
        Added value: +{
+  "default": 0,
+  "description": "Number of results to skip, for pagination",
+  "minimum": 0,
+  "type": "integer"
+}
      • addedOutput schema / properties / limit
        Added value: +{
+  "type": "integer"
+}
      • addedOutput schema / properties / offset
        Added value: +{
+  "type": "integer"
+}
      • addedOutput schema / properties / total / description
        Added value: +"Total matches before paging"
      • changedOutput schema / required
        Previous value: -[
-  "total",
-  "agents"
-]New value: +[
+  "total",
+  "offset",
+  "limit",
+  "agents"
+]
  3. 3 tool updates
    • Changedget_agent1 field changed
      • changedOutput schema / (root)
        Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "accessMethods": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "addedAt": {
+      "type": "string"
+    },
+    "agentUrl": {
+      "type": "string"
+    },
+    "authType": {
+      "type": "string"
+    },
+    "categories": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "description": {
+      "type": "string"
+    },
+    "name": {
+      "type": "string"
+    },
+    "provider": {
+      "type": "string"
+    },
+    "providerUrl": {
+      "type": "string"
+    },
+    "skills": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "description": {
+            "type": "string"
+          },
+          "id": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "description"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "slug": {
+      "type": "string"
+    },
+    "supportsPushNotifications": {
+      "type": "boolean"
+    },
+    "supportsStreaming": {
+      "type": "boolean"
+    },
+    "tags": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "url": {
+      "type": "string"
+    },
+    "verified": {
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "name",
+    "slug",
+    "description",
+    "provider",
+    "categories",
+    "accessMethods",
+    "authType",
+    "verified",
+    "url",
+    "agentUrl",
+    "providerUrl",
+    "skills",
+    "tags",
+    "supportsStreaming",
+    "supportsPushNotifications"
+  ],
+  "type": "object"
+}
    • Changedlist_categories1 field changed
      • changedOutput schema / (root)
        Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "categories": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "agentCount": {
+            "type": "number"
+          },
+          "description": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "slug": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "slug",
+          "name"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "categories"
+  ],
+  "type": "object"
+}
    • Changedsearch_agents1 field changed
      • changedOutput schema / (root)
        Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "agents": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "accessMethods": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "authType": {
+            "type": "string"
+          },
+          "categories": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "description": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "provider": {
+            "type": "string"
+          },
+          "slug": {
+            "type": "string"
+          },
+          "url": {
+            "type": "string"
+          },
+          "verified": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "name",
+          "slug",
+          "description",
+          "provider",
+          "categories",
+          "accessMethods",
+          "authType",
+          "verified",
+          "url"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "total": {
+      "type": "integer"
+    }
+  },
+  "required": [
+    "total",
+    "agents"
+  ],
+  "type": "object"
+}
  4. 3 tool updates
    • First observedget_agent
    • First observedlist_categories
    • First observedsearch_agents

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