Local LLM engine where a tool call cut by the token limit still parses
Truncation and constrained generation When the budget runs out mid-call, the call still parses. In most engines the caller now holds a broken document: nothing to execute, nothing to parse, sometimes an HTTP 500. Runner finishes the document legally instead, and the agent loop continues.
- ▪Truncation and constrained generation When the budget runs out mid-call, the call still parses.
- ▪In most engines the caller now holds a broken document: nothing to execute, nothing to parse, sometimes an HTTP 500.
- ▪Runner finishes the document legally instead, and the agent loop continues.
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Record
| Original publisher | Xyntetik |
| Canonical URL | https://xyntetik.com/runner/truncation-safe-tool-calling/ |
| Publication time | Tue, 15 Sep 2026 21:17:18 +0000 |
| Retrieval time | 2026-09-15T21:21:52.868Z |
| Last seen | 2026-09-15T21:21:52.868Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | y-rxVO2OSl7N · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Truncation and constrained generation When the budget runs out mid-call, the call still parses. An agent asks a model to call a tool. The model starts writing the call as JSON. The token budget expires halfway through. In most engines the caller now holds a broken document: nothing to execute, nothing to parse, sometimes an HTTP 500. Runner finishes the document legally instead, and the agent loop continues. The practical benefit first On a local model, a broken tool call is not an error. It is the whole retry budget. What a budget is Every request carries max_tokens, the most tokens the model may generate. Agents set it tight on purpose: local models are slow and context is scarce. A tool call is JSON, and JSON that stops early is not JSON.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Xyntetik.
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