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all: use case-sensitive JSON unmarshaling (#807)

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As reported in
https://github.com/modelcontextprotocol/go-sdk/issues/805, case
insensitive unmarshaling can pose security issues. This change adjusts
all non-test and non-example unmarshaling to use a case sensitive mode.

This introduces a new external dependency
`github.com/segmentio/encoding`.
This commit is contained in:
Maciej Kisiel 2026-02-18 16:38:36 +01:00 • committed by Maciek Kisiel
commit 6e8ca568e4
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1 changed files with 127 additions and 20 deletions
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3
mcp/client.go
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@ -6,7 +6,6 @@ package mcp
import (
"context"
"encoding/json"
"errors"
"fmt"
"iter"
@ -18,7 +17,7 @@ import (
"time"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/internal/json"
"github.com/modelcontextprotocol/go-sdk/internal/jsonrpc2"
"github.com/modelcontextprotocol/go-sdk/jsonrpc"
)