imho.run game recommendations

Game facts

game_facts

Read-onlyIdempotent

Public facts about one Steam game: year, developers, genres, top tags, price, Steam Deck status, review numbers, a review-mined summary and links. For a few single-player games, coop_via_mod names a reviewed fan mod for co-op, with caveats. Use it to answer questions about a game the user names; for similar games use games_like or recommend. Games rated for adults only (explicit sexual content) are not covered; filtering is best effort.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`game`	Yes	Game name (typos and Russian names are fine), Steam appid or Steam store URL.
`lang`	No	Language of the `why` lines.	en

Output Schema

TableJSON Schema

Name	Required	Description	Default
`game`	Yes
`lang`	Yes
`query`	Yes
`source`	Yes
`attribution`	Yes
`generated_at`	Yes
`other_matches`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 5, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "attribution": {
+      "title": "Attribution",
+      "type": "string"
+    },
+    "game": {
+      "properties": {
+        "appid": {
+          "title": "Appid",
+          "type": "integer"
+        },
+        "audience_url": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "For game developers: what this game's players also play (co-play overlap from public Steam libraries). Only for well-sampled games.",
+          "title": "Audience Url"
+        },
+        "coming_soon": {
+          "default": false,
+          "title": "Coming Soon",
+          "type": "boolean"
+        },
+        "coop_via_mod": {
+          "anyOf": [
+            {
+              "description": "Reviewed fan-mod co-op for a game without full official co-op (#665).",
+              "properties": {
+                "caveats": {
+                  "description": "Always pass these on: unofficial mod, save and anti-cheat risk.",
+                  "items": {
+                    "type": "string"
+                  },
+                  "title": "Caveats",
+                  "type": "array"
+                },
+                "last_checked": {
+                  "title": "Last Checked",
+                  "type": "string"
+                },
+                "maturity": {
+                  "enum": [
+                    "stable",
+                    "beta"
+                  ],
+                  "title": "Maturity",
+                  "type": "string"
+                },
+                "max_players": {
+                  "anyOf": [
+                    {
+                      "type": "integer"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Max Players"
+                },
+                "mod_name": {
+                  "title": "Mod Name",
+                  "type": "string"
+                },
+                "mod_url": {
+                  "description": "The mod's official project page. Link this, never a mirror.",
+                  "title": "Mod Url",
+                  "type": "string"
+                },
+                "note": {
+                  "title": "Note",
+                  "type": "string"
+                },
+                "note_lang": {
+                  "default": "en",
+                  "enum": [
+                    "en",
+                    "ru"
+                  ],
+                  "title": "Note Lang",
+                  "type": "string"
+                },
+                "official_coop_is_summon_only": {
+                  "default": false,
+                  "title": "Official Coop Is Summon Only",
+                  "type": "boolean"
+                },
+                "scope": {
+                  "enum": [
+                    "full_campaign",
+                    "partial_campaign",
+                    "shared_world",
+                    "sandbox_servers"
+                  ],
+                  "title": "Scope",
+                  "type": "string"
+                },
+                "scope_text": {
+                  "title": "Scope Text",
+                  "type": "string"
+                },
+                "status": {
+                  "description": "ok = released after the last game patch; frozen_game = the game is no longer patched; lagging = the game was patched after the mod; check_due = not rechecked in 90+ days.",
+                  "enum": [
+                    "ok",
+                    "frozen_game",
+                    "lagging",
+                    "check_due"
+                  ],
+                  "title": "Status",
+                  "type": "string"
+                }
+              },
+              "required": [
+                "mod_name",
+                "mod_url",
+                "scope",
+                "scope_text",
+                "maturity",
+                "status",
+                "last_checked",
+                "note"
+              ],
+              "title": "AgentCoopViaMod",
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Only for listed single-player games: co-op through a reviewed fan mod."
+        },
+        "description": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Steam's short description (English).",
+          "title": "Description"
+        },
+        "description_lang": {
+          "default": "en",
+          "title": "Description Lang",
+          "type": "string"
+        },
+        "developers": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Developers",
+          "type": "array"
+        },
+        "genres": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Genres",
+          "type": "array"
+        },
+        "name": {
+          "title": "Name",
+          "type": "string"
+        },
+        "price": {
+          "properties": {
+            "amount": {
+              "anyOf": [
+                {
+                  "type": "number"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "default": null,
+              "description": "Price as last scraped from the US Steam store.",
+              "title": "Amount"
+            },
+            "currency": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "default": null,
+              "title": "Currency"
+            },
+            "is_free": {
+              "title": "Is Free",
+              "type": "boolean"
+            },
+            "text": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "default": null,
+              "description": "\"Free\", \"29.99 USD\" or null when unknown.",
+              "title": "Text"
+            }
+          },
+          "required": [
+            "is_free"
+          ],
+          "title": "AgentPrice",
+          "type": "object"
+        },
+        "release_date": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Release Date"
+        },
+        "reviews": {
+          "anyOf": [
+            {
+              "properties": {
+                "positive_pct": {
+                  "description": "Share of positive Steam reviews, 0-100.",
+                  "title": "Positive Pct",
+                  "type": "integer"
+                },
+                "total": {
+                  "description": "Steam user reviews.",
+                  "title": "Total",
+                  "type": "integer"
+                }
+              },
+              "required": [
+                "total",
+                "positive_pct"
+              ],
+              "title": "AgentReviews",
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null
+        },
+        "similar_url": {
+          "description": "Games like this one on imho.run.",
+          "title": "Similar Url",
+          "type": "string"
+        },
+        "steam_deck": {
+          "enum": [
+            "verified",
+            "playable",
+            "unsupported",
+            "unknown"
+          ],
+          "title": "Steam Deck",
+          "type": "string"
+        },
+        "steam_url": {
+          "title": "Steam Url",
+          "type": "string"
+        },
+        "summary": {
+          "anyOf": [
+            {
+              "properties": {
+                "co_op": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Co Op"
+                },
+                "dealbreakers": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "title": "Dealbreakers",
+                  "type": "array"
+                },
+                "difficulty": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Difficulty"
+                },
+                "hooks": {
+                  "items": {
+                    "type": "string"
+                  },
+                  "title": "Hooks",
+                  "type": "array"
+                },
+                "language": {
+                  "default": "en",
+                  "title": "Language",
+                  "type": "string"
+                },
+                "length": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Length"
+                },
+                "session_shape": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Session Shape"
+                },
+                "tagline": {
+                  "anyOf": [
+                    {
+                      "type": "string"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null,
+                  "title": "Tagline"
+                }
+              },
+              "title": "AgentFactsSummary",
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "description": "Review-mined summary (English), when we have one."
+        },
+        "tags": {
+          "description": "Top Steam user tags by votes.",
+          "items": {
+            "type": "string"
+          },
+          "title": "Tags",
+          "type": "array"
+        },
+        "url": {
+          "title": "Url",
+          "type": "string"
+        },
+        "year": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Year"
+        }
+      },
+      "required": [
+        "appid",
+        "name",
+        "url",
+        "similar_url",
+        "steam_url",
+        "price",
+        "steam_deck"
+      ],
+      "title": "AgentGameFacts",
+      "type": "object"
+    },
+    "generated_at": {
+      "title": "Generated At",
+      "type": "string"
+    },
+    "lang": {
+      "enum": [
+        "en",
+        "ru"
+      ],
+      "title": "Lang",
+      "type": "string"
+    },
+    "other_matches": {
+      "items": {
+        "properties": {
+          "appid": {
+            "title": "Appid",
+            "type": "integer"
+          },
+          "name": {
+            "title": "Name",
+            "type": "string"
+          }
+        },
+        "required": [
+          "appid",
+          "name"
+        ],
+        "title": "AgentMatch",
+        "type": "object"
+      },
+      "title": "Other Matches",
+      "type": "array"
+    },
+    "query": {
+      "title": "Query",
+      "type": "string"
+    },
+    "source": {
+      "title": "Source",
+      "type": "string"
+    }
+  },
+  "required": [
+    "query",
+    "source",
+    "attribution",
+    "lang",
+    "game",
+    "generated_at"
+  ],
+  "title": "GameFactsResponse",
+  "type": "object"
+}

First observedOct 2, 2026

TDQS

A4.4/5.0

Behavior4/5

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

Annotations already declare readOnlyHint/idempotentHint/destructiveHint=false, so safety is covered. The description adds real behavioral context beyond that: the special coop_via_mod field 'with caveats' and the 'filtering is best effort' limitation on adult content. It stops short of discussing rate limits or caching, hence not a 5.

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

Conciseness4/5

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

Front-loaded with what the tool returns, then usage routing, then caveats — a logical order where every sentence earns its place. The field enumeration is long but functional; only minor trimming is possible.

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?

Even though an output schema exists, the description covers the tool's edge cases (coop_via_mod caveats, filtering limits), routing to siblings, and the input's accepted forms. An agent has everything needed to select and call it correctly.

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 coverage is 100% and the schema already documents both params, including that typos/Russian names/appids/URLs are accepted for `game`. The description adds no parameter syntax or format detail beyond the schema, so the baseline 3 applies.

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?

Opens with a specific verb+resource ('Public facts about one Steam game') and enumerates the return fields (year, developers, genres, tags, price, Deck status, reviews, summary, links), plus a non-obvious optional field (coop_via_mod). An agent can distinguish it from search_games or trending without opening any 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?

'Use it to answer questions about a game the user names; for similar games use games_like or recommend' explicitly names the alternatives and the condition that routes to each. It also states a when-not ('adults-only games are not covered'), leaving nothing to inference.

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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