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Restrict capabilities that may change after the first message #306

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Restrict capabilities that may change after the first message #306

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01d9fcd
Restrict capabilities that may change after the first message
tigrannajaryan Mar 25, 2026
befcbe7
Restrict capabilities that may change after the first message
tigrannajaryan Mar 25, 2026
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10 changes: 10 additions & 0 deletions .markdownlint.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ fenced-code-language: false
# MD022/blanks-around-headings/blanks-around-headers - Headings should be surrounded by blank lines
MD022: false

# MD024/no-duplicate-heading - Multiple headings with the same content
MD024: false

# MD025/single-title/single-h1 - Multiple top-level headings in the same document
MD025: false

Expand All @@ -24,3 +27,10 @@ MD032: false

# MD034/no-bare-urls - Bare URL used
MD034: false

# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
# We use Hugo comments at the top.
MD041: false

# MD059/descriptive-link-text - Link text should be descriptive
MD059: false
10 changes: 8 additions & 2 deletions specification.md
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Expand Up @@ -589,8 +589,14 @@ in the future such that old Agents automatically report that they don't
support the new capability.
This field MUST be always set.

An Agent MAY update any of its capabilities at any time after the first
message. The server MUST respect the Agent's changes, ensuring that the
An Agent MAY update (enabled or disable) some of its capabilities at any time after
the first message. The following capabilities only may be updated after the first
message:

- AcceptsRemoteConfig
- ReportsRemoteConfig

The server MUST respect the Agent's capability changes, ensuring that the
subsequent messages are sent correctly. If the server sends a part of its
messages corresponding to a capability the Agent doesn't support, the Agent
SHOULD ignore it.
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