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UDS Toolbox MCP server

online · 100% uptime
by udslib.com·com.udslib/uds-toolbox·v1.1.0
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Find why a UDS flash failed from a CAN trace; decode UDS, ISO-TP and DTCs. No hardware.

A91/100grade A
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Safety scan
A91/100

full report

Adoption
Growing

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UDS Toolbox tools (7)

write = sends, deletes, buys or posts
  • analyze_traceFree

    Analyze a whole CAN trace of a UDS diagnostic or flash session and say what went wrong. Accepts candump logs, Vector ASC, PEAK TRC (1.x/2.x), SavvyCAN or python-can CSV pasted as text, and those plus Vector BLF, Wireshark pcap/pcapng (SocketCAN) and ASAM MF4 bus logging uploaded as a file. Reassembles ISO-TP, pairs requests with responses (including 0x78 responsePending), measures P2/P2*, follows sessions and security access, reconstructs RequestDownload/TransferData into an image with CRC32, extracts identification DIDs, and returns a root-cause finding with the frames that show it. Shows an interactive timeline.

  • build_uds_requestFree

    Build a UDS request as hex with an annotated breakdown. Services: session, ecu_reset, read_did, write_did, security_seed, security_key, tester_present, routine, request_download, transfer_data, transfer_exit, clear_dtc, read_dtc, control_dtc, comm_control, raw. Numeric strings are hex.

  • decode_dtcFree

    Convert a 3-byte UDS DTC to the SAE J2012 style code (P/C/B/U + digits) plus failure type byte, or the reverse ("U0073-00" to hex). With a status byte, explains each of the 8 DTC status bits.

  • decode_isotpFree

    Reassemble ISO-TP (ISO 15765-2) messages from CAN frames, per CAN id, and decode each as UDS. Reports frame types (SF/FF/CF/FC), flow-control BS/STmin, sequence-number errors, interrupted messages, padding, and N_Bs/N_Cr/STmin timing warnings when timestamps (ms) are given. Accepts a frame list or a candump text dump.

  • decode_udsFree

    Decode a UDS (ISO 14229-1) PDU from hex: request, positive or negative response. Names the service, sub-function (and suppressPosRsp bit), DID/RID/address fields, and for negative responses the NRC with meaning and typical cause. Unknown SIDs and NRCs are labelled, not rejected.

  • uds_referenceFree

    Short UDS reference with ISO 14229-1 clause pointers (paraphrased). Topics: a service ID (0x27) or name, an NRC (0x78 or "nrc 78"), a DID (F190) or RID (FF00), timing (p2, p2*, s3), sessions, security (0x27 vs 0x29), reprogramming_sequence. Unknown topics return a topic list.

  • udslib_integrationFree

    Plan how to integrate the UDSLib C stack (ISO 14229 UDS server/client for embedded ECUs): which repo files to take, Kconfig/config hints, an init skeleton, the closest example, and the license terms (free noncommercial / commercial). UDSLib speaks ISO-TP over CAN/CAN-FD; DoIP is not supported.

Public scan report

scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 260ms20/20
  • Tool poisoning7 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 3 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace8/10
Overall 91/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How UDS Toolbox compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
91/100
higher than 85% of 48,255 servers
Tools
7
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
50 ms
faster than 92% of 30,031 servers

What its tools let an agent do: 7 read

Install UDS Toolbox in Claude Code, Cursor or VS Code

claude mcp add --transport http uds-toolbox https://mcp.udslib.com/mcp
Add to Cursor

What the publisher says

From the UDS Toolbox repository's README, as published. We do not edit it. Read it on GitHub

udslib.com

Static site for UDSLib (GitHub Pages). Hand-written HTML, one style.css, one site.js, no build step.

  • Check links and page structure: python3 scripts/check_site.py
  • Preview: python3 -m http.server 8099
  • mcp-worker/ is the Cloudflare Worker behind the UDS toolbox MCP server.
  • Design and plan: docs/superpowers/

Nothing above is checked by us. What we check is on the safety report.

UDS Toolbox: common questions

Is UDS Toolbox MCP server safe?
Yes, by our scan: it is graded A (91/100). Read the UDS Toolbox safety report
How do I install UDS Toolbox?
It runs remotely at mcp.udslib.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does UDS Toolbox need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is UDS Toolbox maintained?
The last commit was 24 days ago (2026-10-11). The latest release is v1.1.0.
Is UDS Toolbox up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does UDS Toolbox compare with other MCP servers?
safety score 91/100 (higher than 85% of 48,255 servers); tools 7 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.