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[review] Strip Copilot-only MCP tools field from Claude gateway config #44897

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Merged
pelikhan merged 3 commits into from
Jul 11, 2026
+11 −2
Merged

[review] Strip Copilot-only MCP tools field from Claude gateway config #44897

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Copilot Jul 11, 2026
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fix: strip Copilot-only tools from Claude MCP config
Copilot Jul 11, 2026
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github-actions[bot] Jul 11, 2026
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5 changes: 5 additions & 0 deletions .changeset/patch-strip-copilot-tools-from-claude-config.md
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5 changes: 3 additions & 2 deletions actions/setup/js/convert_gateway_config_adapters.test.cjs
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Original file line number Diff line number Diff line change
Expand Up @@ -59,13 +59,14 @@ describe("convert gateway config shared pipeline", () => {
describe("convert gateway config adapters", () => {
const urlPrefix = "http://host.docker.internal:80";

it("claude adapter enforces type=http and rewrites url", () => {
const converted = transformClaudeEntry({ type: "ignored", url: "http://old/mcp/github", headers: { Authorization: "token" } }, urlPrefix);
it("claude adapter enforces type=http, rewrites url, and drops Copilot-only tools", () => {
const converted = transformClaudeEntry({ type: "ignored", url: "http://old/mcp/github", headers: { Authorization: "token" }, tools: ["read"] }, urlPrefix);
expect(converted).toEqual({
type: "http",
url: "http://host.docker.internal:80/mcp/github",
headers: { Authorization: "token" },
});
expect(converted.tools).toBeUndefined();
});

it("copilot adapter adds tools wildcard only when missing", () => {
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3 changes: 3 additions & 0 deletions actions/setup/js/convert_gateway_config_claude.cjs
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Expand Up @@ -36,6 +36,9 @@ function transformClaudeEntry(entry, urlPrefix) {
return normalizeGatewayEntry(entry, urlPrefix, transformed => {
// Claude uses "type": "http" for HTTP-based MCP servers
transformed.type = "http";
// The MCP gateway may include a "tools" field for Copilot, but Claude's
// MCP config format does not support that field.
delete transformed.tools;
});
}

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