AptLynxMCP server
Span-level replay: fork from the failure
com.textforagents/span-level-replay-fork-from-failure
Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools
Fork-replay one recorded span from a failed agent run and get an attribution verdict.
Working at last checkVerified publisher: textforagents.comAbout 331 tokens per request once connected2 tools
https://textforagents.com/products/span-level-replay-fork-from-failure/mcp
At a glance
- Type
- MCP server
- Publisher
- textforagents.com (verified by the MCP Registry)
- Status
- Working at last check
- Tools
- 2
- Token cost
- About 331 tokens per request
- Sets up in
- Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
- Last checked
- 26 Oct 2026, 08:29 UTC
Connect it to your agent
Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.
Claude Code
claude mcp add --transport http span-level-replay-fork-from-failure https://textforagents.com/products/span-level-replay-fork-from-failure/mcp
Claude Desktop
Settings → Connectors → Add custom connector, and paste the URL.
Codex (config.toml)
[mcp_servers.span-level-replay-fork-from-failure] url = "https://textforagents.com/products/span-level-replay-fork-from-failure/mcp"
Gemini CLI
{"mcpServers":{"span-level-replay-fork-from-failure":{"httpUrl":"https://textforagents.com/products/span-level-replay-fork-from-failure/mcp"}}}
Cursor
{"mcpServers":{"span-level-replay-fork-from-failure":{"url":"https://textforagents.com/products/span-level-replay-fork-from-failure/mcp"}}}
VS Code
{"servers":{"span-level-replay-fork-from-failure":{"type":"http","url":"https://textforagents.com/products/span-level-replay-fork-from-failure/mcp"}}}
Antigravity
agy mcp add span-level-replay-fork-from-failure https://textforagents.com/products/span-level-replay-fork-from-failure/mcp
ChatGPT
Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.
OpenAI API (Responses tools)
{"type":"mcp","server_label":"span-level-replay-fork-from-failure","server_url":"https://textforagents.com/products/span-level-replay-fork-from-failure/mcp","require_approval":"always"}
Grok (xAI API tools)
{"type":"mcp","server_label":"span-level-replay-fork-from-failure","server_url":"https://textforagents.com/products/span-level-replay-fork-from-failure/mcp"}
Tools
fork_safety_check~185 tokens
Examine ONE recorded span (or a run's span set) forensically — canonicalization, env binding, completeness, stub coverage — and return the fork-safety verdict (FORK-SAFE-LIVE / FORK-SAFE-STUBBED / FORK-DEGRADED / FORK-UNSAFE) WITHOUT executing the span or forking anything. $0.01 per span checked onreplay_span~146 tokens
Fork-replay ONE recorded span from a failed agent run and return an attribution verdict (determinism vs tool drift vs env drift vs world-state vs model decision), without re-running the whole run.
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Badge for your README
[](https://aptlynx.net/servers/com.textforagents/span-level-replay-fork-from-failure)
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