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Ccs MCP server

by Correctover·io.github.Correctover/ccs·v1.2.7

Runtime verification MCP server: fail-closed checks for agent tool calls, signed evidence receipts.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

87 downloads/wk

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Ccs tools (5)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • audit_mcp_config

    Audit an MCP client/server configuration JSON for security risks: plain HTTP, weak secrets, disabled TLS, missing commands. Returns structured issues with severity.

  • issue_evidence

    Issue a CCS evidence record for a tool call. Evidence is cryptographically bound (content_hash + evidence_hash), tamper-evident, independently verifiable. Issued for allowed AND denied calls.

  • verify_intent_binding

    Verify that actual tool call arguments match a declared intent with zero tolerance. Catches cross-model parameter drift (planner says amount=100, executor writes amount=10000). No LLM needed — pure deterministic comparison. Supports exact match, numeric tolerance, and regex pattern binding modes.

  • verify_receipt

    Offline-verify a CCS Ed25519-signed receipt. Auditors call this with a receipt JSON produced by issue_evidence or verify_intent_binding; it checks the signature against the embedded signer_public_key and reports whether the body was tampered with. Optionally pin an expected signer public key (PEM string or sha256: fingerprint) to reject receipts from untrusted signers.

  • verify_tool_call

    Verify an AI agent tool call against CCS 7 dimensions (Structure, Schema, Security, Identity, Integrity, Latency, Cost) plus semantic attack-chain analysis and math overflow detection. Returns verdict (allowed/denied) with detailed findings. DEFAULT MODE BLOCKS UNSAFE CALLS.

Public scan report

scanner v0.1.10 · 2026-10-29 · same rubric, same numbers if you re-run it

no findings
  • Code scan3 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Ccs compares

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

Safety score
65/100
higher than 25% of 4,460 AI and agents servers
Tools
5
the typical AI and agents server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
87
more than 61% of 1,538 AI and agents servers with a package

What its tools let an agent do: 5 read

Install Ccs in Claude Code, Cursor or VS Code

Runs npx -y ccs-mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add ccs -- npx -y ccs-mcp-server
Add to Cursor

Ccs: common questions

Is Ccs MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Ccs safety report
How do I install Ccs?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Ccs need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Ccs maintained?
The latest release is v1.2.7.
What can I use instead of Ccs?
Servers from other publishers that do the same job: Emilia Protocol MCP server, Attestix MCP server and Ausca MCP server.
How does Ccs compare with other AI and agents MCP servers?
safety score 65/100 (higher than 25% of 4,460 AI and agents servers); tools 5 (the typical AI and agents server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Ccs

Same job from other publishers: the closest match first, then the best rated.

  • Emilia Protocol
    Exact-action approval for consequential agent actions: request, track, and verify signed receipts.
    B
  • Attestix
    AI agent identity, signed credentials, delegated authority and governance evidence.
    A
  • Ausca
    Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.
    A
  • HOL Guard
    Local-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.
    A
  • Watch Skill
    Watch video and live sessions, keep timestamped evidence, and verify an agent's own work.
    B

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