SEP-2164: Standardize resource not found error code (-32602) - #2164
Merged
Conversation
pja-ant
force-pushed
the
sep/resource-not-found-error
branch
from
January 28, 2026 17:42
5faa2ee to
348d8e7
Compare
pja-ant
force-pushed
the
sep/resource-not-found-error
branch
from
January 28, 2026 17:45
348d8e7 to
310784e
Compare
pja-ant
marked this pull request as ready for review
January 28, 2026 17:48
Contributor
|
related: modelcontextprotocol/python-sdk#1821 |
Member
|
Previous discussion (for reference): #1545. |
Contributor
Author
yeah I remember this, but didn't realize it was already so inconsistent. Any client has to handle various values anyway to work with real servers out there, so we might as well just trying and get all servers to converge. |
pja-ant
force-pushed
the
sep/resource-not-found-error
branch
from
February 9, 2026 15:00
da439aa to
8e938f2
Compare
pja-ant
added
in-review
9 tasks
Maintainer Activity CheckHi @pja-ant! You're assigned to this SEP but there hasn't been any activity from you in 18 days. Please provide an update on:
If you're no longer able to sponsor this SEP, please let us know so we can find another maintainer. This is an automated message from the SEP lifecycle bot. |
pja-ant
force-pushed
the
sep/resource-not-found-error
branch
from
March 17, 2026 13:47
0125e6c to
a2ef384
Compare
pja-ant
force-pushed
the
sep/resource-not-found-error
branch
from
March 18, 2026 10:34
a2ef384 to
9d8520d
Compare
This was referenced Jul 29, 2026
Merged
Open
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
8 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This SEP standardizes the error code for resource not found from
-32002to-32602(Invalid Params), aligning with the JSON-RPC specification. Includes the draft spec change.