feat: support user-defined fallback protocols array - #707

Merged

anubhav756 merged 33 commits into

mcp-v202606from

anubhav-custom-protocols

Jul 9, 2026

Commits on Jul 8, 2026

feat(core): add support for MCP 2026 stateless draft and auto-negotiation fallback (#704)
anubhav756
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5247860
feat(core): add custom protocols array support for ToolboxClient
anubhav756
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4369f60
resolve PR 707 review comments
anubhav756
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8967460
remove redundant constant definitions in conftest.py
anubhav756
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7b65e1a
test: fix conftest import locations and update readme links
anubhav756
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3677610
refactor: consolidate fallback mechanism tests into test_client.py and remove redundant test_fallback.py
anubhav756
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2b2f46d
chore: delint
anubhav756
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ecfbd99
refactor: centralize test constants into package-specific files and update imports across test suites
anubhav756
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0c7cf15
test: update integration tests to use stable server URL constant
anubhav756
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da0ec06
refactor: remove redundant pytestmark fixture declaration in integration tests
anubhav756
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bc21ccd
test: update integration tests to use TOOLBOX_SERVER_URL_STABLE for server connections
anubhav756
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fc61684
chore: delint
anubhav756
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3149b22
fix: add comments for dual-server to test fixtures
anubhav756
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6163898
fix: update protocol negotiation error code from -32004 to -32022 across all transport versions
anubhav756
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2a5da9a
chore: delint
anubhav756
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745727c
feat: implement automated MCP protocol version negotiation for old MCP versions
anubhav756
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4519c75
fix: update error code to -32022 for detecting server-supported protocol versions
anubhav756
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24dbc97
fix: parse standard json-rpc errors on http 400
anubhav756
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91de13e
feat: add automated protocol version fallback negotiation for invalid protocol version errors across all MCP transports
anubhav756
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d83b9d5
refactor: fix integration tests by replacing aioresponses with AsyncMock
anubhav756
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e537a60
test: update exception match regex to include MCP invalid request code in e2e tests and add debug script
anubhav756
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b364c51
test: use try/except for flexible auth error matching in e2e tests
anubhav756
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122b297
fix(core): handle json-rpc error dict for protocol version mismatch
anubhav756
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0b262b6
fix(core): match unsupported protocol version in error dict and fix lint
anubhav756
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7596802
Fix unit tests related to _meta JSON error parsing, mock misconfiguration, and version negotiation array index checks
anubhav756
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3223051
style: Run black and isort to fix lint CI errors
anubhav756
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587e0ba
style: Run black across all packages
anubhav756
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57bbbcd
style: fix isort formatting with black profile
anubhav756
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b64d349
style: reformat imports per package to respect first-party modules
anubhav756
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e483ed3