Documentation
Model Context Protocol documentation
343 pages as of the newest read. Every one links to its own history: what it said before, and what changed when.
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specification/draft/server/utilities/pagination
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specification/draft/server/utilities/logging
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specification/draft/server/utilities/completion
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specification/draft/server/utilities/caching
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specification/draft/server/tools
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specification/draft/server/resources
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specification/draft/server/prompts
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specification/draft/server/index
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specification/draft/server/discover
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specification/draft/schema
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specification/draft/index
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specification/draft/deprecated
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specification/draft/client/sampling
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specification/draft/client/roots
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specification/draft/client/elicitation
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specification 43
- specification/2026-07-28/deprecated
- specification/2026-07-28/index
- specification/2026-07-28/schema
- specification/2026-07-28/server/discover
- specification/2026-07-28/server/index
- specification/2026-07-28/server/prompts
- specification/2026-07-28/server/resources
- specification/2026-07-28/server/tools
- specification/2026-07-28/server/utilities/caching
- specification/2026-07-28/server/utilities/completion
- specification/2026-07-28/server/utilities/logging
- specification/2026-07-28/server/utilities/pagination
- specification/draft/architecture/index
- specification/draft/basic/authorization/authorization-server-discovery
- specification/draft/basic/authorization/client-registration
- specification/draft/basic/authorization/index
- specification/draft/basic/authorization/security-considerations
- specification/draft/basic/index
- specification/draft/basic/patterns/cancellation
- specification/draft/basic/patterns/index
- specification/draft/basic/patterns/mrtr
- specification/draft/basic/patterns/progress
- specification/draft/basic/patterns/subscriptions
- specification/draft/basic/transports/index
- specification/draft/basic/transports/stdio
- specification/draft/basic/transports/streamable-http
- specification/draft/basic/versioning
- specification/draft/changelog
- specification/draft/client/elicitation
- specification/draft/client/roots
- specification/draft/client/sampling
- specification/draft/deprecated
- specification/draft/index
- specification/draft/schema
- specification/draft/server/discover
- specification/draft/server/index
- specification/draft/server/prompts
- specification/draft/server/resources
- specification/draft/server/tools
- specification/draft/server/utilities/caching
- specification/draft/server/utilities/completion
- specification/draft/server/utilities/logging
- specification/draft/server/utilities/pagination