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episode_framing_guidance

Read per-person framing evidence for episode occurrences

Read bounded, source-time framing EVIDENCE for up to 12 named source-backed occurrences in an Episode or Clip. Per occurrence: crop_window arithmetic for this canvas (pure math, not a preference) and every person with reviewed face-core geometry in the interval — horizontal extent with an honest observation state, spoke as current-transcript evidence (never a subject choice; "unknown" when the transcript is not current), a position-free fits/too_wide width fact, and a descriptive title_safe_side. It never recommends: no anointed subject, no framing to apply, no ranking. Choosing whom to show — the speaker, a listener's reaction, whatever is visually right — is your editorial judgment; correlate spoke/word_share with extents yourself, compute your own focal point, and apply it through episode_edit occurrence.reframe at this result's revision. people:[] with no_person_evidence means no face-core evidence exists for those seconds, not that nobody is visible. Read-only.

Surface: Default model and app

Product release 1dce717408a55fac1047e7d779177fa3ef8ede51
Public contract commit 1ce47f7857ae3d9b6933fe83d5c33de3ae5efc64
Public contract SHA-256 241d47d25e4b4c1dae9d2263793874d06fc4ba7bc3c78d4cf2bc63fbb32ed7dc
Captured 2026-09-24T16:39:30.100Z. Review or improve this contract on GitHub.

These blocks show the complete MCP descriptors captured from serving Rails. Security schemes and resource URIs can differ by connected host.

Default model descriptor

{
  "name": "episode_framing_guidance",
  "title": "Read per-person framing evidence for episode occurrences",
  "description": "Read bounded, source-time framing EVIDENCE for up to 12 named source-backed occurrences in an Episode or Clip. Per occurrence: crop_window arithmetic for this canvas (pure math, not a preference) and every person with reviewed face-core geometry in the interval — horizontal extent with an honest observation state, spoke as current-transcript evidence (never a subject choice; \"unknown\" when the transcript is not current), a position-free fits/too_wide width fact, and a descriptive title_safe_side. It never recommends: no anointed subject, no framing to apply, no ranking. Choosing whom to show — the speaker, a listener's reaction, whatever is visually right — is your editorial judgment; correlate spoke/word_share with extents yourself, compute your own focal point, and apply it through episode_edit occurrence.reframe at this result's revision. people:[] with no_person_evidence means no face-core evidence exists for those seconds, not that nobody is visible. Read-only.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "episode_id": {
        "type": "string",
        "description": "Episode or Clip public ID (comp_...). A recording src_... handle resolves through its episode-of-one, as with episode_read."
      },
      "composition_id": {
        "type": "string",
        "description": "Backward-compatible alias for episode_id."
      },
      "occurrence_ids": {
        "type": "array",
        "description": "Exact source-backed occurrence IDs from a fresh episode_read. Required; 1–12 IDs keeps this a bounded evidence read. Read the resulting revision again before each occurrence.reframe mutation.",
        "items": {
          "type": "string",
          "pattern": "^occ_"
        },
        "minItems": 1,
        "maxItems": 12,
        "uniqueItems": true
      }
    },
    "required": [
      "occurrence_ids"
    ],
    "additionalProperties": false,
    "allOf": [
      {
        "anyOf": [
          {
            "required": [
              "episode_id"
            ]
          },
          {
            "required": [
              "composition_id"
            ]
          }
        ]
      }
    ]
  },
  "annotations": {
    "readOnlyHint": true,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false
  },
  "securitySchemes": [
    {
      "type": "noauth"
    }
  ],
  "_meta": {
    "securitySchemes": [
      {
        "type": "noauth"
      }
    ],
    "ui": {
      "visibility": [
        "model",
        "app"
      ]
    },
    "openai/widgetAccessible": true
  }
}

App descriptor

{
  "name": "episode_framing_guidance",
  "title": "Read per-person framing evidence for episode occurrences",
  "description": "Read bounded, source-time framing EVIDENCE for up to 12 named source-backed occurrences in an Episode or Clip. Per occurrence: crop_window arithmetic for this canvas (pure math, not a preference) and every person with reviewed face-core geometry in the interval — horizontal extent with an honest observation state, spoke as current-transcript evidence (never a subject choice; \"unknown\" when the transcript is not current), a position-free fits/too_wide width fact, and a descriptive title_safe_side. It never recommends: no anointed subject, no framing to apply, no ranking. Choosing whom to show — the speaker, a listener's reaction, whatever is visually right — is your editorial judgment; correlate spoke/word_share with extents yourself, compute your own focal point, and apply it through episode_edit occurrence.reframe at this result's revision. people:[] with no_person_evidence means no face-core evidence exists for those seconds, not that nobody is visible. Read-only.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "episode_id": {
        "type": "string",
        "description": "Episode or Clip public ID (comp_...). A recording src_... handle resolves through its episode-of-one, as with episode_read."
      },
      "composition_id": {
        "type": "string",
        "description": "Backward-compatible alias for episode_id."
      },
      "occurrence_ids": {
        "type": "array",
        "description": "Exact source-backed occurrence IDs from a fresh episode_read. Required; 1–12 IDs keeps this a bounded evidence read. Read the resulting revision again before each occurrence.reframe mutation.",
        "items": {
          "type": "string",
          "pattern": "^occ_"
        },
        "minItems": 1,
        "maxItems": 12,
        "uniqueItems": true
      }
    },
    "required": [
      "occurrence_ids"
    ],
    "additionalProperties": false,
    "allOf": [
      {
        "anyOf": [
          {
            "required": [
              "episode_id"
            ]
          },
          {
            "required": [
              "composition_id"
            ]
          }
        ]
      }
    ]
  },
  "annotations": {
    "readOnlyHint": true,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false
  },
  "securitySchemes": [
    {
      "type": "noauth"
    }
  ],
  "_meta": {
    "securitySchemes": [
      {
        "type": "noauth"
      }
    ],
    "ui": {
      "visibility": [
        "model",
        "app"
      ]
    },
    "openai/widgetAccessible": true
  },
  "outputSchema": {
    "type": "object",
    "properties": {
      "schema": {
        "type": "string",
        "enum": [
          "bitterclip.episode_framing_guidance.v2"
        ]
      },
      "episode_id": {
        "type": "string"
      },
      "revision": {
        "type": "integer",
        "description": "Program revision whose occurrence/source mapping was read. Pass this as expected_revision to the next episode_edit."
      },
      "program_digest": {
        "type": "string",
        "pattern": "^[0-9a-f]{64}$",
        "description": "Current Program digest for the evidence mapping."
      },
      "canvas": {
        "type": "object",
        "properties": {
          "key": {
            "type": "string"
          },
          "width": {
            "type": "integer"
          },
          "height": {
            "type": "integer"
          },
          "fps": {
            "type": "integer"
          }
        },
        "required": [
          "key",
          "width",
          "height",
          "fps"
        ]
      },
      "occurrences": {
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "occurrence_id": {
              "type": "string"
            },
            "recording_id": {
              "type": "string"
            },
            "source_range": {
              "type": "array",
              "items": {
                "type": "number"
              },
              "minItems": 2,
              "maxItems": 2
            },
            "state": {
              "type": "string",
              "enum": [
                "evidence",
                "unavailable"
              ]
            },
            "reason": {
              "type": "string",
              "enum": [
                "occurrence_not_found",
                "occurrence_not_source_backed",
                "recording_not_video",
                "subject_geometry_unavailable"
              ],
              "description": "Only for state:unavailable. subject_geometry_unavailable means no current face-core geometry pass exists for this Recording's bytes."
            },
            "crop_window": {
              "type": "object",
              "description": "Pure aspect arithmetic for this canvas, no preference: width_fraction is the crop width as a fraction of source width at the target aspect; full_width means no horizontal crop is needed at all.",
              "properties": {
                "source_display_aspect": {
                  "type": "number"
                },
                "target_aspect": {
                  "type": "number"
                },
                "width_fraction": {
                  "type": "number"
                },
                "full_width": {
                  "type": "boolean"
                }
              },
              "required": [
                "source_display_aspect",
                "target_aspect",
                "width_fraction",
                "full_width"
              ]
            },
            "people": {
              "type": "array",
              "description": "Every person with face-core geometry evidence in the interval, widest extent first (order is geometry, not precedence). Identity, geometry, and speech are independent evidence: a listener with spoke:false is as servable a frame as the speaker.",
              "items": {
                "type": "object",
                "properties": {
                  "person": {
                    "type": "string",
                    "enum": [
                      "identified",
                      "unidentified"
                    ]
                  },
                  "speaker_map_id": {
                    "type": "string",
                    "description": "Only when the person's speaker track is current for the current transcript; evidence bound to stale tracks stays, unnamed."
                  },
                  "display_name": {
                    "type": "string"
                  },
                  "observation": {
                    "type": "string",
                    "enum": [
                      "observed",
                      "uncertain",
                      "unknown"
                    ]
                  },
                  "extent": {
                    "type": "object",
                    "description": "Normalized horizontal envelope where this person's face was observed inside the interval. Present only for observation:observed.",
                    "properties": {
                      "x_min": {
                        "type": "number"
                      },
                      "x_max": {
                        "type": "number"
                      }
                    },
                    "required": [
                      "x_min",
                      "x_max"
                    ]
                  },
                  "spoke": {
                    "type": [
                      "boolean",
                      "string"
                    ],
                    "enum": [
                      true,
                      false,
                      "unknown"
                    ],
                    "description": "Whether current-transcript words by this person overlap the interval. false only against a current transcript; \"unknown\" when no current transcript or the person cannot be currently named."
                  },
                  "word_share": {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 1,
                    "description": "Descriptive share of the interval's words attributed to this person; a weight, never a ranking."
                  },
                  "fit": {
                    "type": "string",
                    "enum": [
                      "fits",
                      "too_wide",
                      "uncertain",
                      "unknown"
                    ],
                    "description": "Position-free width arithmetic: fits means this extent CAN fit a crop of width_fraction, not where to place one."
                  },
                  "title_safe_side": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "enum": [
                      "left",
                      "right",
                      null
                    ],
                    "description": "Descriptive side-room derivation: which side would hold clear width if a crop were centered on this person. Names room that exists, never a placement to make."
                  }
                },
                "required": [
                  "person",
                  "observation",
                  "spoke",
                  "fit"
                ]
              }
            },
            "people_truncated": {
              "type": "boolean",
              "description": "True when more than 6 people had evidence; the widest extents were kept."
            },
            "no_person_evidence": {
              "type": "boolean",
              "description": "True when the current geometry pass has no face-core rows for these seconds. Absence of evidence, not evidence of absence."
            }
          },
          "required": [
            "occurrence_id",
            "state"
          ]
        }
      }
    },
    "required": [
      "schema",
      "episode_id",
      "revision",
      "program_digest",
      "canvas",
      "occurrences"
    ],
    "additionalProperties": false
  }
}

Live Workspace descriptor

{
  "name": "episode_framing_guidance",
  "title": "Read per-person framing evidence for episode occurrences",
  "description": "Read bounded, source-time framing EVIDENCE for up to 12 named source-backed occurrences in an Episode or Clip. Per occurrence: crop_window arithmetic for this canvas (pure math, not a preference) and every person with reviewed face-core geometry in the interval — horizontal extent with an honest observation state, spoke as current-transcript evidence (never a subject choice; \"unknown\" when the transcript is not current), a position-free fits/too_wide width fact, and a descriptive title_safe_side. It never recommends: no anointed subject, no framing to apply, no ranking. Choosing whom to show — the speaker, a listener's reaction, whatever is visually right — is your editorial judgment; correlate spoke/word_share with extents yourself, compute your own focal point, and apply it through episode_edit occurrence.reframe at this result's revision. people:[] with no_person_evidence means no face-core evidence exists for those seconds, not that nobody is visible. Read-only.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "episode_id": {
        "type": "string",
        "description": "Episode or Clip public ID (comp_...). A recording src_... handle resolves through its episode-of-one, as with episode_read."
      },
      "composition_id": {
        "type": "string",
        "description": "Backward-compatible alias for episode_id."
      },
      "occurrence_ids": {
        "type": "array",
        "description": "Exact source-backed occurrence IDs from a fresh episode_read. Required; 1–12 IDs keeps this a bounded evidence read. Read the resulting revision again before each occurrence.reframe mutation.",
        "items": {
          "type": "string",
          "pattern": "^occ_"
        },
        "minItems": 1,
        "maxItems": 12,
        "uniqueItems": true
      }
    },
    "required": [
      "occurrence_ids"
    ],
    "additionalProperties": false,
    "allOf": [
      {
        "anyOf": [
          {
            "required": [
              "episode_id"
            ]
          },
          {
            "required": [
              "composition_id"
            ]
          }
        ]
      }
    ]
  },
  "annotations": {
    "readOnlyHint": true,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false
  },
  "securitySchemes": [
    {
      "type": "noauth"
    }
  ],
  "_meta": {
    "securitySchemes": [
      {
        "type": "noauth"
      }
    ]
  },
  "outputSchema": {
    "type": "object",
    "properties": {
      "schema": {
        "type": "string",
        "enum": [
          "bitterclip.episode_framing_guidance.v2"
        ]
      },
      "episode_id": {
        "type": "string"
      },
      "revision": {
        "type": "integer",
        "description": "Program revision whose occurrence/source mapping was read. Pass this as expected_revision to the next episode_edit."
      },
      "program_digest": {
        "type": "string",
        "pattern": "^[0-9a-f]{64}$",
        "description": "Current Program digest for the evidence mapping."
      },
      "canvas": {
        "type": "object",
        "properties": {
          "key": {
            "type": "string"
          },
          "width": {
            "type": "integer"
          },
          "height": {
            "type": "integer"
          },
          "fps": {
            "type": "integer"
          }
        },
        "required": [
          "key",
          "width",
          "height",
          "fps"
        ]
      },
      "occurrences": {
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "occurrence_id": {
              "type": "string"
            },
            "recording_id": {
              "type": "string"
            },
            "source_range": {
              "type": "array",
              "items": {
                "type": "number"
              },
              "minItems": 2,
              "maxItems": 2
            },
            "state": {
              "type": "string",
              "enum": [
                "evidence",
                "unavailable"
              ]
            },
            "reason": {
              "type": "string",
              "enum": [
                "occurrence_not_found",
                "occurrence_not_source_backed",
                "recording_not_video",
                "subject_geometry_unavailable"
              ],
              "description": "Only for state:unavailable. subject_geometry_unavailable means no current face-core geometry pass exists for this Recording's bytes."
            },
            "crop_window": {
              "type": "object",
              "description": "Pure aspect arithmetic for this canvas, no preference: width_fraction is the crop width as a fraction of source width at the target aspect; full_width means no horizontal crop is needed at all.",
              "properties": {
                "source_display_aspect": {
                  "type": "number"
                },
                "target_aspect": {
                  "type": "number"
                },
                "width_fraction": {
                  "type": "number"
                },
                "full_width": {
                  "type": "boolean"
                }
              },
              "required": [
                "source_display_aspect",
                "target_aspect",
                "width_fraction",
                "full_width"
              ]
            },
            "people": {
              "type": "array",
              "description": "Every person with face-core geometry evidence in the interval, widest extent first (order is geometry, not precedence). Identity, geometry, and speech are independent evidence: a listener with spoke:false is as servable a frame as the speaker.",
              "items": {
                "type": "object",
                "properties": {
                  "person": {
                    "type": "string",
                    "enum": [
                      "identified",
                      "unidentified"
                    ]
                  },
                  "speaker_map_id": {
                    "type": "string",
                    "description": "Only when the person's speaker track is current for the current transcript; evidence bound to stale tracks stays, unnamed."
                  },
                  "display_name": {
                    "type": "string"
                  },
                  "observation": {
                    "type": "string",
                    "enum": [
                      "observed",
                      "uncertain",
                      "unknown"
                    ]
                  },
                  "extent": {
                    "type": "object",
                    "description": "Normalized horizontal envelope where this person's face was observed inside the interval. Present only for observation:observed.",
                    "properties": {
                      "x_min": {
                        "type": "number"
                      },
                      "x_max": {
                        "type": "number"
                      }
                    },
                    "required": [
                      "x_min",
                      "x_max"
                    ]
                  },
                  "spoke": {
                    "type": [
                      "boolean",
                      "string"
                    ],
                    "enum": [
                      true,
                      false,
                      "unknown"
                    ],
                    "description": "Whether current-transcript words by this person overlap the interval. false only against a current transcript; \"unknown\" when no current transcript or the person cannot be currently named."
                  },
                  "word_share": {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 1,
                    "description": "Descriptive share of the interval's words attributed to this person; a weight, never a ranking."
                  },
                  "fit": {
                    "type": "string",
                    "enum": [
                      "fits",
                      "too_wide",
                      "uncertain",
                      "unknown"
                    ],
                    "description": "Position-free width arithmetic: fits means this extent CAN fit a crop of width_fraction, not where to place one."
                  },
                  "title_safe_side": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "enum": [
                      "left",
                      "right",
                      null
                    ],
                    "description": "Descriptive side-room derivation: which side would hold clear width if a crop were centered on this person. Names room that exists, never a placement to make."
                  }
                },
                "required": [
                  "person",
                  "observation",
                  "spoke",
                  "fit"
                ]
              }
            },
            "people_truncated": {
              "type": "boolean",
              "description": "True when more than 6 people had evidence; the widest extents were kept."
            },
            "no_person_evidence": {
              "type": "boolean",
              "description": "True when the current geometry pass has no face-core rows for these seconds. Absence of evidence, not evidence of absence."
            }
          },
          "required": [
            "occurrence_id",
            "state"
          ]
        }
      }
    },
    "required": [
      "schema",
      "episode_id",
      "revision",
      "program_digest",
      "canvas",
      "occurrences"
    ],
    "additionalProperties": false
  }
}

Errors

[
  "composition_not_found",
  "invalid_input"
]

Examples

[
  {
    "label": "Read per-person framing evidence before reframing a portrait Clip",
    "input": {
      "episode_id": "comp_...",
      "occurrence_ids": [
        "occ_..."
      ]
    }
  }
]