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feat(harness): share MCP servers by scope and close idle ones - #83

Merged

sanchitrk merged 43 commits into

canaryfrom

claude/mcp-scopes

Oct 30, 2026

Merged

feat(harness): share MCP servers by scope and close idle ones#83
sanchitrk merged 43 commits into
canaryfrom
claude/mcp-scopes

Commits on Oct 24, 2026
- feat(harness): add MCP client
  
  sanchitrk
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  4e41d45
- feat(harness): log MCP server messages and condense validation errors
  
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  1f048fe
- refactor(harness): trace MCP requests and keep their errors in Effect
  
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  8719543
- fix(harness): close MCP connections fully on failure and cleanup
  
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  3016387
- test(harness): check MCP stderr grandchildren die before scope close
  
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  50909bd
- fix(harness): retry only network failures and match MCP timeouts and shutdown
  
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  f64f0c1
- fix(harness): receive MCP server log messages from the handshake on
  
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  19af2e9
- fix(harness): report an MCP list change that arrives before its handler
  
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  d9bb7e9
- feat(harness): run MCP servers per session and declare their tools
  
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  82c416d
- fix(harness): start stdio MCP servers in their configured cwd
  
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  0e82590
- fix(harness): keep MCP connections recoverable and server configs settled
  
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  e0cea06
- fix(harness): harden MCP config values and send servers clean arguments
  
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  bdac30c
- fix(harness): keep MCP retries, shutdown and tool lists right under races
  
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  2237d9e
- fix(harness): keep MCP startup logs and forget failed commands on time
  
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  4cd6ee1
- feat(harness): add MCP resource tools and keep oversized output on the host
  
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  66261d0
- fix(harness): page MCP resources with the SDK and pass cursors through
  
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  938fd0b
- fix(harness): treat a blank MCP cursor as none and wait for connecting servers
  
  sanchitrk
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  c6e7a8d
- fix(harness): send MCP images through the shared inline image pipeline
  
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  f815324
- feat(harness): share MCP servers by scope and close idle ones
  
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  58a00fa
- fix(harness): keep MCP lease counts exact across renames, aliases and interrupts
  
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  319c72e
- refactor(harness): carry MCP failures as tagged errors
  
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  8ceb467
- test(codework): run an MCP tool through the real CLI
  
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  97f1a8a
- feat(harness): accept codemode and deferred MCP exposure
  
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  482e7de
- fix(harness): retry failed shared MCP instances and keep resource links reachable
  
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  3b8d270
- fix(harness): carry MCP race and shutdown fixes onto the scoped service
  
  sanchitrk
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  committed
  33e5488
- fix(harness): keep MCP startup logs on the scoped service
  
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  committed
  1a3073a
Commits on Oct 30, 2026
- Merge canary into the MCP client branch
  
  sanchitrk
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  committed
  2941977
- Merge canary into the MCP sessions branch
  
  sanchitrk
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  4f6395d
- Merge canary into the MCP resources branch
  
  sanchitrk
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  4478a32
- Merge canary into the MCP scopes branch
  
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  1ee4062
- feat(harness): keep MCP state per thread and report server status
  
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  d1bfd47
- fix(harness): serialize MCP connect and disconnect per server
  
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  118fa10
- Merge MCP threads into the MCP resources branch
  
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  54d0a84
- Merge MCP threads into the MCP scopes branch
  
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  8fc89f2
- docs: describe MCP servers per thread, deferred tools and no retry
  
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  921d538
- test(harness): sort MCP status events by thread and server in the artifact
  
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  a0bcdd1
- fix(harness): report idle close and keep MCP thread records with reported errors
  
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  b489958
- fix(harness): close a deleted session's MCP servers and report interrupted attempts by state
  
  sanchitrk
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  committed
  3506b9a
- Merge MCP threads into the MCP resources branch
  
  sanchitrk
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  83381a7
- Merge MCP threads into the MCP scopes branch
  
  sanchitrk
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  5bfee57
- fix(harness): refuse MCP connect on an instance closed while idle
  
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  6def485
- fix(harness): wait for a turn's starting MCP servers concurrently
  
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  cef40d2
- Merge canary into the MCP branch for #83
  
  sanchitrk
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  committed
  33386fd

Commits

Commits on Oct 24, 2026

Commits on Oct 30, 2026