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fix(gemini): prevent gemini incompatibility with some tools#31877

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rekram1-node merged 1 commit into
anomalyco:devfrom
Killusions:fix/prevent-gemini-incompatibility-with-some-tools-in-gemini
Jun 11, 2026
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fix(gemini): prevent gemini incompatibility with some tools#31877
rekram1-node merged 1 commit into
anomalyco:devfrom
Killusions:fix/prevent-gemini-incompatibility-with-some-tools-in-gemini

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@Killusions

@Killusions Killusions commented Jun 11, 2026 •
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Issue for this PR

Closes #19276

Type of change

  • Bug fix
  • New feature
  • Refactor / code improvement
  • Documentation

What does this PR do?

Fixes a type schema incompatibility with Gemini and some tools/MCPs (occured through GitHub Copilot).

How did you verify your code works?

Tested locally.

Screenshots / recordings

None

Checklist

  • I have tested my changes locally
  • I have not included unrelated changes in this PR

@github-actions github-actions Bot added the needs:compliance This means the issue will auto-close after 2 hours. label Jun 11, 2026
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github-actions Bot commented Jun 11, 2026

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The following comment was made by an LLM, it may be inaccurate:

I found a potentially related PR:

Related PR:

This PR appears related as it also addresses Gemini schema issues. While #31877 focuses on preventing Gemini incompatibility with tools, PR #27641 specifically handles sanitizing Gemini schema references, which could be addressing a similar underlying compatibility problem with Gemini's type schema handling.

@github-actions github-actions Bot removed the needs:compliance This means the issue will auto-close after 2 hours. label Jun 11, 2026
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github-actions Bot commented Jun 11, 2026

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Thanks for updating your PR! It now meets our contributing guidelines. 👍

@Killusions Killusions force-pushed the fix/prevent-gemini-incompatibility-with-some-tools-in-gemini branch from 2ed7b0d to 99504d1 Compare June 11, 2026 11:43
@max-wittig

max-wittig commented Jun 11, 2026

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Looks nice! Is this something you could look at to get Gemini working with opencode? @thdxr

@rekram1-node

rekram1-node commented Jun 11, 2026

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I don't think this matches how ai-sdk/google behaves

@rekram1-node

rekram1-node commented Jun 11, 2026

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The PR comment says plain @ai-sdk/google “rewrites these,” but the PR does not implement the same rewrite.
@ai-sdk/google converts:
{ "type": ["number", "string"] }
into:
{
  "anyOf": [
    { "type": "number" },
    { "type": "string" }
  ]
}
The PR converts it into:
{ "type": "number" }
It simply keeps the first non-null type, losing "string".

@Killusions Killusions force-pushed the fix/prevent-gemini-incompatibility-with-some-tools-in-gemini branch from 99504d1 to 35581b1 Compare June 11, 2026 15:45
@Killusions

Killusions commented Jun 11, 2026

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@rekram1-node tried to align it more to how the adapter works

@rekram1-node

rekram1-node commented Jun 11, 2026 •
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@Killusions thx, also do u mind adding a test case for this by chance? Im sure there are prolly some more cases we need to handle better too but for now just adding a new test will be nice

@Killusions
fix(gemini): prevent gemini incompatibility with some tools
612607c 
Some MCPs fail with Gemini
(at least via GitHub Copilot)

Close anomalyco#19276
@Killusions Killusions force-pushed the fix/prevent-gemini-incompatibility-with-some-tools-in-gemini branch from 35581b1 to 612607c Compare June 11, 2026 15:59
@Killusions

Killusions commented Jun 11, 2026

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@rekram1-node Added one

@rekram1-node rekram1-node merged commit 2e71292 into anomalyco:dev Jun 11, 2026
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@max-wittig

max-wittig commented Jun 11, 2026

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Amazing! Thank you very much for all the work you're doing here!

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Successfully merging this pull request may close these issues.

Gemini 3.1 Pro API returns 400 error due to tool schema incompatibility

3 participants

@Killusions @max-wittig @rekram1-node