Aletheia Runtime Safety & Scope Creep Filter MCP server
Deterministic pre-execution filter that blocks known scope-creep and prompt-injection tool calls
1 stars235 downloads/wk
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Aletheia Runtime Safety & Scope Creep Filter tools (6, 1 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
aletheia_get_mandateRetrieve the current operational safety mandate, permissions, and active boundary constraints.
aletheia_get_telemetryRetrieve runtime safety telemetry: total tool calls evaluated, block rate %, latency percentiles (p50, p95, p99 < 1ms), and violation counts broken down by signature.
aletheia_interceptUniversal sub-millisecond safety gatekeeper. Evaluates any proposed tool invocation against Signature S3 (Scope Creep) and S2b (Prompt Injection) to block destructive, out-of-boundary, or compromised actions before execution.
aletheia_safe_bashwrite actionExecute a shell/bash command with inline sub-millisecond Signature S3 scope creep protection. Blocks destructive deletes (rm -rf), disk formatting, fork bombs, credential harvesting, privilege escalation, and unauthorized network egress.
aletheia_safe_sqlAudit or execute a database query with Signature S3 safety filters. Detects destructive DDL (DROP, TRUNCATE), unbounded DML (DELETE/UPDATE without WHERE), and privilege tampering.
aletheia_set_mandateEstablish or update the active operational safety mandate for this agent session. Declares permissible boundaries, allowed tools, filesystem directories, write permissions, and risk tolerance. Loosening restrictions requires operatorSecret.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
- Code scan27 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 qualitystatic API keys via environment variables6/15
- Maintenancelast push 6 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Install directly
Runs npx -y aletheia-mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add aletheia-mcp -- npx -y aletheia-mcp
Aletheia Runtime Safety & Scope Creep Filter: common questions
- Is Aletheia Runtime Safety & Scope Creep Filter MCP server safe?
- Mostly: it is graded B (83/100). Read the Aletheia Runtime Safety & Scope Creep Filter safety report
- How do I install Aletheia Runtime Safety & Scope Creep Filter?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Aletheia Runtime Safety & Scope Creep Filter need an API key?
- Yes. The registry entry asks for
ALETHEIA_OPERATOR_SECRET. - Is Aletheia Runtime Safety & Scope Creep Filter maintained?
- The last commit was 6 days ago (2026-09-13). The latest release is v0.3.1.
- What can I use instead of Aletheia Runtime Safety & Scope Creep Filter?
- Servers from other publishers that do the same job: prompt-protection MCP server, mcpm MCP server and MCP Server. Compare all Aletheia Runtime Safety & Scope Creep Filter alternatives.
Alternatives to Aletheia Runtime Safety & Scope Creep Filter
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- prompt-protectionScan prompts, tool definitions and model output for injection, and guard agent tool calls.not reviewedGrowingA
- mcpmMCP security guard + package manager: trust-scored installs, blocks prompt injection and rug-pulls.not reviewedGrowingB
- MCP ServerDeterministic intent preflight before your agent builds: six gates, keyless, no model call.not reviewedGrowingB
- MCPAuthorize consequential AI agent actions before executionnot reviewedEstablishedA
- Agent-Native AnalyticsAgent-Native Amplitude/Mixpanel - connect data sources, prompt for chartsnot reviewedEstablishedA