Tracelane MCP

Read-only, tenant-scoped access to Tracelane agent traces and guardrail verdicts

Connector by tracelane · GitHub account verified by the MCP Registry

IndexedLicense unknownLocal (stdio)★ 1

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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/tracelane-tracelane-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Read-only, tenant-scoped access to Tracelane agent traces and guardrail verdicts

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 26, 2026.

Tools: 9 read · 0 write · 0 delete · 1 not yet classified
Secrets: 2 (API keys, tokens or passwords)
Install scripts: None found
Runs as: Node.js package

Tools by what they do 10

Read from the source code; the running server may list different tools.

Read 9 · Look things up without changing anything.

explain_guardrail_block
get_eval_result
get_incident
get_span
get_trace
list_evals
list_traces
replay_trace
search_traces

Not yet classified 1 · We could not tell from the name and description.

export_regression

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

CLICKHOUSE_PASSWORD
TRACELANE_API_KEY

Other settings (environment variables or headers).

CLICKHOUSE_DB
CLICKHOUSE_URL
CLICKHOUSE_USER
TRACELANE_GATEWAY_URL
TRACELANE_MCP_TRANSPORT

Network hosts it talks to 4

gateway.tracelane.dev · found in code
github.com · found in code
npm.pkg.github.com · found in code
tracelane.dev · found in code

Tools (10)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

explain_guardrail_block
Get a human-readable explanation of why a Tracelane guardrail fired on a span
export_regression
Export one trace as a regression fixture (format 'dataset' or 'promptfoo'). mode 'recorded' replays the recorded output as the expected answer; mode 'mocked' also pins the recorded tool results so the test is deterministic. The export is built from the recorded trace and never re-executes the request. Fails with 422 content_not_captured when content capture was off for the trace. The `limits` field carries the gateway's x-tracelane-* headers stating what the fixture can and cannot assert.
get_eval_result
Get the latest result for a specific eval
get_incident
Get the incident packet for one trace: what triggered it, what happened, what changed against the nearest comparable good run, the linked spans, and candidate explanations. Each explanation cites its evidence; one the evidence does not support is marked 'uncertain' — treat it as a lead, not a finding.
get_span
Description is built at runtime.
get_trace
Get all spans for a specific trace
list_evals
List all pain-point and fault-tolerance evals and their current status
list_traces
List recent traces for the authenticated tenant
replay_trace
Fetch the full stored structure of a trace (ordered spans with their LLM/tool attributes) for offline inspection and step-through debugging. Read-only: this returns the recorded trace as-is and does NOT re-execute any model or tool — live shadow re-execution requires the gateway and is not part of the MCP server surface.
search_traces
Search traces by free-text substring across span names and the attributes JSON blob, optionally narrowed by model name or error status. Read-only; tenant-scoped. In gateway (Cloud) mode the gateway rejects a search term shorter than 4 characters.

Signals

Stars: 1
Forks: 0
Open issues: 0
Last commit (this folder): Oct 9, 2026 (21 days ago)
Last release: Oct 9, 2026 (21 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: io.github.tracelane/tracelane-mcp
Version: 0.4.0
Auth: API key
Packages: npm @tracelanedev/mcp
License: License unknown
Repository: github.com/tracelane/tracelane
Website: tracelane.dev/docs/mcp-server
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry github-graphql

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Cite this page

Tracelane MCP. Agent Mart. https://agentmart.dev/connectors/tracelane-tracelane-mcp (last updated 2026-10-24)