{"name":"io.github.ra1labsworkx-wq/snapback","slug":"ra1labsworkx-wq-snapback","title":"Snapback","description":"Diagnose why an AI agent failed and get the verified fix instantly. Free, no token.","url":"https://mcp.market/server/ra1labsworkx-wq-snapback","rating":null,"grade":"B","score":79,"certified":false,"status":"active","category":"ai","tags":["ai"],"presence":{"score":20,"stars":0,"forks":0,"downloads_week":null,"last_push_at":"2026-10-02T06:51:27.000Z","license":null},"uptime":{"percent":100,"checks":28,"ok":28,"last_checked_at":"2026-11-04T03:00:57.493Z","last_ok_at":"2026-11-04T03:00:57.493Z","latency_ms":872},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/ra1labsworkx-wq/snapback-selfheal","website":null,"version":"1.8.4","remotes":[{"type":"streamable-http","url":"https://api.snapback.sh/mcp"}],"packages":[],"tools":[{"name":"agent_memory","description":"See what YOU (this agent) tend to fail on — your recurring failure patterns across past diagnoses. Returns your top failure classes with counts and what share of your failures each is (e.g. 'loop_repeated_tool_call: 12 times, 40%'). Call it before a run to know what to guard against. Token-scoped to your own agent. Free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"limit":{"type":"integer","description":"top N patterns (default 5)"}},"required":[]}},{"name":"budget_guard","description":"Live MID-RUN budget check (fast, no LLM). Send whatever counters you have and get an advisory on context %, token burn, cost burn, step budget, and off-task drift - with concrete suggested_actions and the projected cost of NOT acting. Call it every few steps to catch a runaway BEFORE you hit a limit. Advisory only (never blocks). Params: step, max_steps, tokens_used, token_budget, cost_used_usd, cost_budget_usd, context_used, context_window.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"step":{"type":"integer"},"max_steps":{"type":"integer"},"tokens_used":{"type":"number"},"token_budget":{"type":"number"},"cost_used_usd":{"type":"number"},"cost_budget_usd":{"type":"number"},"context_used":{"type":"number"},"context_window":{"type":"number"},"task":{"type":"string"},"recent_actions":{"type":"array"},"format":{"type":"string","enum":["full","summary","summary_only"],"description":"'summary' adds a one-line relayable answer (for chat/Telegram agents); 'summary_only' returns just that line. Default full."}},"required":[]}},{"name":"cascade_root","description":"Given an ORDERED list of errors from a run (oldest first), find the TRUE root — the error that cascaded or shouldn't have been retried — not just the final symptom you see. E.g. a 429 that got retried and triggered a downstream 401: the root is the 429, not the 401. Each error can be a string or {error, retried, action}. Free, no token, no LLM.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"errors":{"type":"array","description":"ordered list (oldest first) of error strings or {error, retried:bool, action} objects"}},"required":["errors"]}},{"name":"convert_trace","description":"Turn your raw logs into a Snapback trace so you don't hand-craft JSON. Pass 'source' = a list of log/step entries, or an object with a spans/steps/messages/events/logs array (OTel spans, OpenAI/LangChain message lists, or generic {tool,input,output} arrays all work). Returns {trace} ready to pass straight to diagnose_trace. Free, no token.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"source":{"description":"your logs: a list, or an object wrapping a spans/steps/messages array"},"hint":{"type":"string","description":"optional: the framework/format, e.g. 'otel', 'openai'"}},"required":["source"]}},{"name":"detect_loop","description":"MID-RUN loop check (fast, no LLM, free). Send your recent steps DURING a run; get back whether you're stuck repeating a tool call and a concrete next move. Call this every few steps to catch a loop BEFORE you burn your step budget — don't wait for a postmortem. Non-blocking advice, not a verdict.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"steps":{"type":"array","description":"your recent steps (last ~5-10), each with an action/tool and optionally inputs — same step shape as diagnose_trace"},"threshold":{"type":"integer","description":"how many identical consecutive calls = a loop (default 3)"}},"required":["steps"]}},{"name":"diagnose_batch","description":"Diagnose SEVERAL traces in one call (up to 20). Each trace is metered like a separate diagnose_trace. Returns a verdicts array (per-trace, order preserved); a bad trace in the batch is isolated and doesn't fail the rest. Use for post-run analysis of many failures at once instead of N round-trips.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"traces":{"type":"array","description":"array of trace objects (max 20)"}},"required":["traces"]}},{"name":"diagnose_infra_error","description":"Diagnose a cryptic AGENT-INFRASTRUCTURE error — payments (x402/EIP-3009), Solana on-chain (ATA, blockhash, compute), MCP protocol, RPC/providers, EVM & Solana wallets, library of VERIFIED fixes the base model often gets wrong. Pass the error text (and optional context). Returns {matched, family, failure_class, root_cause, fix, confidence, source, action_class, auto_safe, gate} instantly from the library (no LLM) when a known pattern matches. Free and no token. GATE CONTRACT for autonomous action: auto-apply the fix ONLY when confidence>=0.85 AND source=='library' AND auto_safe==true (action_class is retry|refetch|config); NEVER auto-apply a 'mutate' or 'destructive' fix (create/change state, money, auth) — escalate those to a human. gate.auto_apply_ok gives you the verdict. Use it the moment you hit a transaction_simulation_failed, BlockhashNotFound, a -32xxx RPC code, a 4001/-32002 wallet error, an attestation failure, or any infra error you can't instantly resolve.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"error":{"type":"string","description":"the exact error text/message you hit"},"context":{"type":"string","description":"optional: what you were doing (e.g. 'paying via x402 on solana')"},"action":{"type":"string","description":"optional: the tool/operation that failed"},"format":{"type":"string","enum":["full","summary","summary_only"],"description":"'summary' adds a one-line relayable answer (for chat/Telegram agents); 'summary_only' returns just that line. Default full."}},"required":["error"]}},{"name":"diagnose_trace","description":"Diagnose why an AI agent run failed. Returns a structured verdict (failure_class, failed_at_step, root_cause, fix_suggestion, confidence). LATENCY: known patterns return library-instant (<1s); a NOVEL failure needs an LLM call and can take up to ~25s — set your client timeout to at least 30s, and treat this as async (don't block your agent loop on it).","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"trace":{"type":"object","description":"OTel-shaped agent trace"}},"required":["trace"]}},{"name":"get_request_status","description":"Check what happened to a pattern you requested (from request_pattern's request_id). Returns pending / approved / rejected / in_library so you can see if your suggestion was actioned — the feedback loop isn't a black box. Free, no token.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"request_id":{"type":"string"}},"required":["request_id"]}},{"name":"get_verdict","description":"Fetch a previously produced verdict by its id or by trace_id (your org only).","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"verdict_id":{"type":"string"},"trace_id":{"type":"string"}},"required":[]}},{"name":"my_impact","description":"See how your feedback + pattern requests have shaped the shared library — how many verdicts you've rated, patterns you've requested, and how many were approved into the library. Turns your input into visible collaboration. Token-scoped to you.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{},"required":[]}},{"name":"my_usage","description":"See YOUR current usage + remaining allowance so you can self-govern spend: snapbacks (diagnoses) used/cap/remaining, guard checks used/cap/remaining, estimated spend, % used, and when it resets. Call it periodically to avoid surprises. Token-scoped, free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{},"required":[]}},{"name":"preflight","description":"BEFORE running: get known failure patterns for a given agent setup so you can avoid them. Returns a ranked list of {failure_class, root_cause, fix_suggestion} from Snapback's library. Call this before executing a plan and self-correct.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"agent_stack":{"type":"string","description":"e.g. openclaw, langchain (optional)"},"tags":{"type":"array","items":{"type":"string"},"description":"task facets, e.g. [tool_calling, retrieval] (optional)"},"limit":{"type":"integer","description":"max cards (default 10)"}},"required":[]}},{"name":"recommend_failover","description":"Should you RETRY the same target, SWITCH provider, FALL BACK to another chain, or STOP? Pass the error + your configured topology (current_chain, available_chains, and/or current_provider, available_providers) and get deterministic routing advice with the reason — so a flaky Solana RPC doesn't get retried 5x when you should switch to Base. Free, no token, no LLM. Reads only what you tell it (no network calls).","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"error":{"type":"string","description":"the error you hit"},"current_chain":{"type":"string","description":"the chain you're on (e.g. 'solana')"},"available_chains":{"type":"array","items":{"type":"string"},"description":"fallback chains you can use (e.g. ['base','arbitrum'])"},"current_provider":{"type":"string","description":"the RPC/provider you're using (e.g. 'helius')"},"available_providers":{"type":"array","items":{"type":"string"},"description":"backup providers on the same chain"}},"required":["error"]}},{"name":"report_outcome","description":"Report the outcome of an auto-applied fix (the self-heal interceptor calls this after it gate-applied a fix and retried). Pass failure_class, family, fix, confidence, action_class, and succeeded (did the retry work?). TWO purposes: it's your safety telemetry (spot a fix that didn't work) AND it feeds the shared crowd view — every reported outcome makes what_others_did sharper for the next agent. Token-scoped (so we know it's your org), free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"failure_class":{"type":"string"},"family":{"type":"string"},"fix":{"type":"string","description":"the fix that was auto-applied"},"confidence":{"type":"number"},"action_class":{"type":"string","description":"retry | refetch | config"},"succeeded":{"type":"boolean","description":"did the single retry after the fix succeed?"},"fix_id":{"type":"string","description":"the typed fix ID from the diagnosis (e.g. redis.maxmemory.4e24d4) — report the outcome against this so the crowd evidence is per-fix. Optional but recommended."}},"required":["failure_class","succeeded"]}},{"name":"request_pattern","description":"Leave us a message: ask us to add a failure pattern to the library, or report a problem we couldn't diagnose well. Use this when diagnose_trace didn't have a good answer, when you keep hitting a failure we don't classify, or when you want a specific kind of problem supported. It goes straight to our roadmap/backlog. Free — no token needed.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"message":{"type":"string","description":"what you'd like added, or the problem we couldn't solve — be specific"},"kind":{"type":"string","description":"'pattern_request' | 'problem' | 'message' (default 'message')"},"verdict_id":{"type":"string","description":"optional: the verdict this relates to"},"context":{"type":"object","description":"optional: the trace/error you couldn't get diagnosed (redacted server-side)"}},"required":["message"]}},{"name":"search_docs","description":"Search Snapback's documentation for how to use it — how to format a trace, what each tool does, the failure taxonomy, auth, pricing, and errors. Free and needs no token. Call this first if you're unsure how to format a request or what a verdict means.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"query":{"type":"string","description":"what you want to know, e.g. 'how to format a trace'"},"limit":{"type":"integer","description":"max sections to return (default 3)"}},"required":["query"]}},{"name":"session_end","description":"Close a live session and get a short run summary (total steps, duration). Frees the session. Free, no token.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"session_id":{"type":"string"}},"required":["session_id"]}},{"name":"session_start","description":"Open a LIVE mid-run session so Snapback can watch your run step-by-step and warn you in real time (loop / token / cost / context) - the always-on guardian mode. Returns a session_id. Free, no token. Call session_step as you run, session_end when done.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"agent_id":{"type":"string","description":"optional label for your agent/run"}},"required":[]}},{"name":"session_step","description":"Report ONE step of a live run and get back any warnings immediately (loop detected / budget breach). Pass the step (action + inputs) and any counters you have (step, max_steps, tokens_used, token_budget, cost_used_usd, cost_budget_usd, context_used, context_window, task, recent_actions. context_window). Warnings are advisory - act on them to self-correct mid-run. Free.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"session_id":{"type":"string"},"step":{"type":"object","description":"the step: action/tool + inputs"},"counters":{"type":"object","description":"running counters (tokens/cost/context/max_steps)"},"loop_threshold":{"type":"integer","description":"identical calls that count as a loop (default 3)"}},"required":["session_id","step"]}},{"name":"submit_feedback","description":"Tell Snapback whether a verdict was correct (correct=true/false), with an optional free-text note (did the fix work? what was wrong?). ONE rating per verdict — call it AFTER you act on a verdict and see the outcome. Your correction updates the SHARED pattern library (fix patterns are shared anonymized so every agent benefits; your trace content is never shared) — a right verdict comes back faster next time, a wrong one gets down-weighted. To ask for a new pattern or report an unsolved problem, use request_pattern instead.","write_action":true,"price_micros":0,"input_schema":{"type":"object","properties":{"verdict_id":{"type":"string","description":"the verdict you're rating"},"correct":{"type":"boolean","description":"true if the diagnosis was right, false if not"},"note":{"type":"string","description":"optional free-text: what worked, what was wrong, or any detail that would help us improve this verdict"}},"required":["verdict_id","correct"]}},{"name":"suggest_budget_recovery","description":"Approaching a token/context/cost budget mid-run? Pass your counters and get the LEAST-DISRUPTIVE recovery ranked: truncate context | switch to a cheaper model | batch steps | wrap up — scored by speed gained, accuracy lost, cost saved. Turns budget_guard's 'you're at 94%' into 'here's what to do about it'. Free, no token, no LLM.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"tokens_used":{"type":"number"},"token_budget":{"type":"number"},"context_used":{"type":"number"},"context_window":{"type":"number"},"cost_used_usd":{"type":"number"},"cost_budget_usd":{"type":"number"},"recent_actions":{"type":"array","items":{"type":"string"}}},"required":[]}},{"name":"what_others_did","description":"THE CROWD: for a failure_class (or pass the family/error and we'll map it), see what OTHER agents did about the same failure and whether it worked — anonymized, aggregated across everyone. Returns {total, agree_pct (community success rate), distinct_orgs, sample_fixes (fixes rated CORRECT by other agents)}. Use it when you hit a failure and want the crowd's verdict on what actually fixes it, not just the single library answer. Free, no token. Privacy-safe: only aggregate counts + a community success rate + the working fixes — never any org, agent, or trace identity. Hidden below a small min-sample so a single report can't be reverse-engineered. This is the network effect: the more agents use Snapback, the sharper this answer gets.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"failure_class":{"type":"string","description":"the failure_class to look up (e.g. 'unhandled_tool_error', 'loop_repeated_tool_call'); or pass 'error' and we map it"},"error":{"type":"string","description":"optional: an error string — we'll diagnose it to find the failure_class, then return the crowd outcomes for it"}},"required":[]}}],"scan":{"score":79,"grade":"B","scanned_at":"2026-10-31T17:27:18.483Z","report":{"scannerVersion":"0.1.10","scannedAt":"2026-10-31T17:27:18.430Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 1832ms"]},"poisoning":{"score":15,"max":15,"notes":["23 tool descriptions checked"]},"auth":{"score":3,"max":15,"notes":["open endpoint exposes 1 write-action tools with no auth"]},"maintenance":{"score":15,"max":15,"notes":["last push 29 days ago"]},"identity":{"score":6,"max":10,"notes":["registry namespace matches repository owner"]}},"findings":[{"id":"auth.open-write","severity":"high","component":"auth","title":"Write-action tools reachable without authentication"}],"inputs":{"probes":[{"url":"https://api.snapback.sh/mcp","reachable":true,"authRequired":false,"latencyMs":1832,"serverInfo":{"name":"snapback","version":"1.0"}}],"packages":[],"repo":{"found":true,"owner":"ra1labsworkx-wq","repo":"snapback-selfheal","archived":false,"pushedAt":"2026-10-02T06:51:27Z","stars":0,"forks":0,"openIssues":0,"ownerType":"User","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/279712557?v=4","ownerCreatedAt":"2026-04-27T12:25:02Z"},"icon":{"url":null,"source":"none"},"presence":{"stars":0,"forks":0,"downloadsWeek":null,"license":null,"lastPushAt":"2026-10-02T06:51:27.000Z","score":20}}}},"grade_history":[],"reviews":[]}