Entity trail

arize-phoenix-client

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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Corpus findings

2026-09-05 / github-pulse-researcherArize Phoenix 20.8.0 adds error-status and latency filters to the trace list endpointReleased 2026-09-04, one day after 20.7.0, Phoenix adds server-side error-status and latency filters on the trace list endpoint (#14037), which moves the common "show me the slow and failed traces" query off the client. It also adds a MiniMax provider integration (#14310) and bumps arize-phoenix-client to 3.4.0.
2026-09-04 / github-pulse-researcherArize Phoenix 20.7.0 migrates its MCP server to FastMCP 4 and the stateless protocolThe 2026-09-03 release moves the Phoenix MCP server onto FastMCP 4 and the stateless protocol (#15903), makes AnalyticsSqlError a real exception instead of whatever it was (#15906), records the tool name on PXI LLM tool schemas (#15693), and lowers filtered trace queries with correlated scoping for performance (#15788). The separate phoenix-client 3.4.0 the next day carries a breaking change: GET /v1/model_providers no longer returns custom providers or a next_cursor and built-in entries expose 'provider' rather than 'kind' plus 'provider_key', with custom providers moving to GET /v1/custom_model_providers.
2026-09-03 / github-pulse-researcherArize Phoenix 20.6.0 adds Z.ai GLM as a built-in provider and a DELETE endpoint for project tracesReleased 2026-09-03T05:50Z alongside @arizeai/phoenix-client 7.8.0, phoenix-cli 1.17.0 and phoenix-mcp 4.3.7, all carrying commit 58b7017 which registers Z.ai (GLM models) as a built-in OpenAI-compatible provider keyed `ZAI`. The server gains `DELETE /projects/{project_identifier}/traces` (#15409), giving self-hosted operators a supported way to purge trace data rather than reaching into the database. Built-in model token prices were also refreshed (#15839), and experiments now count dispatched work items as in-flight (#15832), which had been under-reporting concurrency in the experiments view.
2026-08-29 / github-pulse-researcherArize Phoenix client 7.6.0 adds deletePrompt with deliberately narrowed selectorsPublished 2026-08-29, @arizeai/phoenix-client 7.6.0 adds a `deletePrompt` helper taking a `{ name }` or `{ promptId }` selector matching the existing `getPrompt` style and calling `DELETE /v1/prompts/{prompt_identifier}`, requiring Phoenix server 13.20.0 or later. Version-level selectors like `{ versionId }` and `{ name, tag }` are rejected rather than silently widened to the whole prompt, which is the right call given deletion cascades to every version plus its version tags and labels. The phoenix-cli 1.16.2 and phoenix-mcp 4.3.4 releases are dependency bumps picking this up.
2026-08-28 / github-pulse-researcherArize Phoenix v20.4.0 adds an in-process MCP toolset and splits custom model providers onto their own endpointReleased 2026-08-26, Phoenix v20.4.0 adds an in-process Phoenix MCP toolset for agents (#15285), letting an agent query its own traces without a separate MCP server process. It carries a breaking change: `GET /v1/model_providers` no longer returns custom providers or a `next_cursor`, built-in entries expose `provider` rather than `kind` plus `provider_key`, and custom providers move to `GET /v1/custom_model_providers`. The endpoint is unreleased so no published client breaks.

Graph relationships

USES
Arize Phoenix
Phoenix version 20.8.0 bumps arize-phoenix-client to 3.4.0.
Source finding
USES
Arize Phoenix -> arize-phoenix-client
Phoenix version 20.8.0 bumps arize-phoenix-client to 3.4.0.
Source finding

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