Aziel Runtime

Verify a registry name or digest

fraggate_verify

Read-onlyIdempotent

Confirm a name, slug, or 64-hex engine_digest against the hashed FragGate registry — a proof, not a card listing. Use this when you must prove a listed name or digest exists after fraggate_describe. Do not use it for listing the registry, describing ops, or executing; use fraggate_list, fraggate_describe, or fraggate_call instead. Not an exec path and not a describe card. Empty {} (no name, slug, or digest) refuses FG-HALLUC-TOOL. Digest without name/slug compares the whole registry hash (kind=registry). Name or slug with an optional digest compares that entry (kind=entry); unknown names refuse FG-HALLUC-TOOL. Mismatch returns ok=false with matched=false — it does not invent a digest. Send digest alone to proof the live registry_digest. Send name or slug (one is enough) to proof one card. Combined name+digest must equal that card's engine_digest. Returns match or mismatch (kind registry|entry, matched, registry_digest).

Input Schema

TableJSON Schema

Name	Required	Description
`name`	No	Optional registry display name (for example FoldLock, EmbryoLock, AZHub). Use name or slug — one is enough. Combined name/op forms such as foldlock/fold-preview are accepted by the door parser. Unknown names refuse FG-HALLUC-TOOL.
`slug`	No	Optional catalog slug (lowercase a-z0-9-, for example foldlock, embryolock, azhub). Alternative to name. Prefer the slug returned by fraggate_list or GET /v1/software.
`digest`	No	Optional 64-char lowercase hex engine_digest or registry digest to verify. When digest is set without name/slug, the tool compares the live registry digest.

Output Schema

TableJSON Schema

Name	Required	Description
`code`	No	FragGate or fabric code when present: FG-OK, FG-HALLUC-TOOL, FG-STUB, FG-LOCAL-ONLY, FG-UNKNOWN-OP, FG-GATE-REFUSE, FG-LAMB-REFUSE, or a module refuse such as MESH-* / AKM-*.
`door`	No	Door name. The public door is fraggate.
`ran_in`	No	Execution locale (for example aziel-runtime) when present.
`result`	No	FragGate body: ok, code, door, slug, op, engine_digest, ran_in, provenance, refusal, limitations, receipt, plus the engine result. Unknown names refuse FG-HALLUC-TOOL; stubs refuse FG-STUB.
`status`	No	HTTP-like status when present on wrappers (200 ok; 400+ error / refuse).
`display`	No	Human-facing envelope. Show display.action, title, and summary, then take the next input. Never echo raw tool names.
`receipt`	No	Optional receipt, ledger tip, or TemporalLock/ForgeReceipts exit when the door stamped one.
`refusal`	No	Explicit refuse object, code, or message when the door or engine refused.
`engine_op`	No	Resolved engine op when present (often inside result).
`ledger_tip`	No	Ask/refuse ledger tip when the door stamped one.
`provenance`	No	Provenance / input packet when the pipeline attached one.
`session_id`	No	Raw session id when session plumbing was used. Hidden unless the user asked for the chain.
`engine_slug`	No	Resolved engine slug when present (often inside result).
`limitations`	No	Capability limitations or Remain-OFF notes when present.
`engine_digest`	No	64-hex engine_digest when a true in-process engine ran (often inside result).

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedSep 27, 2026

changedOutput schema / description

Previous value: -"Display envelope shown to the user (display.title / display.summary) plus the machine result. Extra engine fields may appear."New value: +"Display envelope shown to the user (display.action / display.title / display.summary) plus the machine result. Extra engine fields may appear. Do not echo raw tool names."

changedOutput schema / properties / display / description

Previous value: -"Human-facing envelope. Show title and summary, then take the next input."New value: +"Human-facing envelope. Show display.action, title, and summary, then take the next input. Never echo raw tool names."

addedOutput schema / properties / display / properties / action

Added value: +{
+  "description": "Human-visible run frame. Always \"Run aziel runtime\". Product verb titles stay on title. Not a tool name.",
+  "type": "string"
+}

addedOutput schema / properties / display / properties / image

Added value: +{
+  "additionalProperties": true,
+  "description": "Present only when a real production included png_b64, jpeg_b64 (or the same byte family), or a cited http(s) image URL. No invented thumbs. Omitted on dry_run. reviewed is true only when executed production bytes are attached; a dry_run never mints reviewed.",
+  "properties": {
+    "data": {
+      "description": "Base64 image bytes copied from the production. Omitted for a URL-only cite. Never present on dry_run.",
+      "type": "string"
+    },
+    "mimeType": {
+      "description": "Sniffed image media type (image/png, image/jpeg, image/webp, or image/gif).",
+      "type": "string"
+    },
+    "reviewed": {
+      "description": "True only when data came from an executed production. False for a URL cite without bytes. Never true on dry_run.",
+      "type": "boolean"
+    },
+    "source": {
+      "description": "Production field the image was taken from (for example png_b64, jpeg_b64, or image_url).",
+      "type": "string"
+    },
+    "url": {
+      "description": "Cited http(s) image URL when the production named one. Not invented.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

changedOutput schema / properties / display / properties / title / description

Previous value: -"Short result title for the AI client."New value: +"Product verb title for the AI client. Not a raw tool name."

First observedSep 24, 2026

TDQS

A4.8/5.0

Behavior5/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint. The description adds rich behavior beyond that: refusal for empty {} and unknown names (FG-HALLUC-TOOL), mismatch returning ok=false with matched=false, and the explicit statement that it does not invent a digest. These are material edge-case disclosures an agent needs.

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?

The description is long but dense with necessary distinctions (registry vs entry, match vs mismatch). It is front-loaded with purpose and scoping, then covers edge cases. No filler sentences, though it could be tightened slightly without losing content. Given the complexity, this is appropriate.

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?

The tool has three distinct usage modes (digest-only, name/slug, combined) and an output schema; the description covers all combinations, refusal conditions, and the mismatch contract. Nothing an agent needs to call it correctly is missing.

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 descriptions cover all three parameters (100%), so the baseline is 3. The description adds cross-parameter semantics: digest-only compares the registry hash, name/slug compares an entry, and combined name+digest must match the card's engine_digest. This relational meaning goes beyond the schema's individual parameter notes.

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?

The description states a specific verb ('Confirm') and resource ('name, slug, or 64-hex engine_digest against the hashed FragGate registry') and explicitly positions it as a proof rather than a listing. It names the sibling tools it is not (fraggate_list, fraggate_describe, fraggate_call), making differentiation unambiguous.

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?

It provides explicit when-to-use ('when you must prove a listed name or digest exists after fraggate_describe') and when-not-to-use ('Do not use it for listing the registry, describing ops, or executing') with named alternatives. The 'Not an exec path and not a describe card' sentence reinforces exclusions.

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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