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100
MCP live MCP 2025-11-25 streamable-http ext: ui

Attester Oracle

io.github.maminihds/attester-mcp

Verify PyPI and npm packages, symbols, and version diffs against real artifacts. Free, no account.

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
766ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://attester.dev/mcp/
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
4 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
4 items in total; 3 or more earns these points.
pass Describes itself 10/10
98 characters; more than 30 earns these points.

Tools · 4

attester_package_exists

Does this PyPI or npm package name really exist? Deterministic answer from the real published artifact, signed, with typosquat-adjacency flags on misses. Free: 25 calls/day per client IP, shared with …

attester_symbol_exists

Does a function, class, or constant exist in this PyPI or npm package? Answer from the indexed artifact, with closest-match suggestions on misses. Free: 25 calls/day per client IP, shared with the /de…

attester_symbol_signature

Exact signature, structured params, docstring summary, and deprecation status for one symbol, resolved at a pinned version when given. Free: 25 calls/day per client IP, shared with the /demo/v1/* HTTP…

attester_version_diff

Symbol-level diff between two pinned versions of one package: added, removed, changed signatures, new deprecations, and a breaking/additive/neutral classification. Free: 25 calls/day per client IP, sh…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "attester_oracle": {
      "url": "https://attester.dev/mcp/",
      "transport": "streamable-http"
    }
  }
}