tegwick a12e1c4370 MAS-WP-0005-T07: v0.2 draft bundle; mas_core accepts v0.1 and v0.2 statutes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assistant: claude-code
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2026-10-18 22:19:34 +02:00

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MAS v0.1 Conformance

1. Test surfaces

An implementation can claim any of the following independently:

MAS-P1-PARSER
MAS-P2-PARSER
MAS-V0.1-GENERATOR
MAS-V0.1-STATUTE

2. Parser requirements

A parser claiming MAS-P1-PARSER MUST produce the expected result for every fixture whose profile is p1.

A parser claiming MAS-P2-PARSER MUST produce the expected result for every fixture whose profile is p2, and MUST also satisfy MAS-P1-PARSER.

The parsed object in the fixture file is normative for the test corpus.

A parser MUST NOT infer person, actor, or function from ., -, _.

3. Generator requirements

A generator:

MUST emit only grammar-valid canonical ASCII local-parts;
MUST NOT emit empty target, resource type, resource id, facet, or interaction;
MUST emit + before !;
MUST NOT emit more than one + or one !;
MUST NOT emit $ or ^;
MUST NOT emit both + and ! in v0.1;
MUST keep the encoded SMTP local-part at or below 64 octets.

Fixtures with generator_allowed: false may still be accepted by a P2 parser, but a conforming generator MUST NOT create them.

4. Statute requirements

A statute implementation MUST validate discovery documents using schema/mas-statute-v0.1.schema.json.

It MUST NOT apply:

case folding,
dot folding,
address classification,
resource-type semantics,
interaction-mode semantics,

unless the exact-host statute successfully validates and declares them.

5. Discovery failure

Failure to retrieve or validate a statute:

does not invalidate the email address;
does invalidate any claim that MAS namespace semantics were discovered;
falls back to ordinary email handling plus exact local configuration.

6. Inheritance

Implementations are not required to implement inherits.

Implementations that do implement it MUST:

fetch the explicit URI only;
detect cycles;
treat inherited data as defaults;
never inherit explicit addresses registry entries;
let the child override inherited resource types and interaction modes.

7. Test command

The bundled reference parser can be run with:

python reference/mas_parser.py --self-test

The reference parser is non-normative; the grammar, specification, schema, and fixtures are normative for this draft.

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