feat(mcp): append server instructions to context#32490
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# Conflicts: # packages/opencode/test/session/prompt.test.ts
# Conflicts: # packages/opencode/src/mcp/index.ts
BenGu3
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Jun 27, 2026
Co-authored-by: Aiden Cline <aidenpcline@gmail.com>
josechifflet
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Jun 27, 2026
Co-authored-by: Aiden Cline <aidenpcline@gmail.com> (cherry picked from commit e8e83af)
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Issue for this PR
Refs #28567
Close #30084 #7373
Part of the larger MCP revision.
Type of change
What does this PR do?
Append MCP server
InitializeResult.instructionsto the session system prompt.Each connected server with instructions contributes a block shaped like:
Since tool definitions are separate from the system prompt, this form explicitly links the instruction to the specific set of tools provided by that MCP server.
How did you verify your code works?
Verified locally with focused MCP lifecycle coverage and a prompt-loop request check that observes the instruction block in model context.
Screenshots / recordings
N/A
Checklist