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High-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
63 critical findings reported by cisco-skill-scanner, agent-audit-kit, 44 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/paiml/pmcp, 6345 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- pmcp
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
6 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v1.4.0
0 findings · 0.5s
v2.0.11
5546 findings · 219.2s
v0.3.74
218 findings · 120.4s
v0.2.0
2 findings · 28.8s
v0.2.0
579 findings · 29.0s
v0.1.0
0 findings · 40.8s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
3 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Sep 9, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | rejected |
| Jul 30, 2026 | Flagged27 | — | cisco-skill-scanner ·!: timeoutagent-audit-kit ·!: timeoutnerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·n/a: not applicable | completed |
| Jul 28, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner ·!: timeoutagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: complete | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 6,345 findings across every scanner that examined this package. 12 of 63 findings rated critical by their scanner were among the dismissals.
Not reviewed is not the same as clean. Those 201 findings stand exactly as their scanners reported them, at full severity, as they would have without this review.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
122 Test or fixture file — The match is in a test or fixture. Our own check confirmed the file is not part of what gets installed.
Rules: ARCHIVE_PATH_TRAVERSAL, ARCHIVE_SYMLINK, AAK-MCP-STDIO-CMD-INJ-002 and 11 more · Files: /repo/crates/pmcp-package/tests/golden_fixtures/artifact_tar_v1/hostile_parent_directory_component.tar, /repo/crates/pmcp-package/tests/golden_fixtures/artifact_tar_v1/hostile_absolute_path.tar, /repo/crates/pmcp-package/tests/golden_fixtures/artifact_tar_v1/hostile_symlink_entry.tar and 61 more · reported by cisco-skill-scanner, agent-audit-kit
45 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: YARA_coercive_injection_generic, COMMAND_INJECTION_JS_FUNCTION_CONSTRUCTOR, opt.nerlo-rules.nerlo-install-pipe-to-shell and 11 more · Files: /repo/cargo-pmcp/docs/commands/SKILL.md, /repo/examples/wasm-client/mcp_wasm_client.js, /repo/examples/WASM_DEPLOYMENT_GUIDE.md and 16 more · reported by cisco-skill-scanner, nerlo-install-instruction, nerlo-behavioral and 1 more
1 Agent instruction file — The match is in a file that instructs an AI coding agent — a CLAUDE.md or similar. It is documentation of intent, and our own check confirmed it is not part of what gets installed.
Rules: AAK-AGENT-003 · Files: CLAUDE.md · reported by agent-audit-kit
These findings are in files this artifact installs and are not placeholder values. No false-positive basis can be corroborated for such a finding, so this review never dismisses one; they were not sent to the model and stand at their scanner's severity.
2,253 HIDDEN_DATA_FILE
Files: /repo/.planning/milestones/v2.5-phases/46-mcp-bridge-review-and-fixes/.continue-here.md, /repo/.planning/milestones/v2.5-phases/55-tasks-with-polling/.continue-here.md, /repo/.planning/milestones/v2.5-phases/45-extend-mcp-apps-support-to-claude-desktop/.continue-here.md and 2131 more · reported by cisco-skill-scanner
1,976 YARA_autonomy_abuse_generic
Files: /repo/.planning/phases/121-local-round-trip-e2e/SKILL.md, /repo/.planning/milestones/v2.6-phases/121-local-round-trip-e2e/SKILL.md · reported by cisco-skill-scanner
512 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/.planning/PROJECT.md, /repo/.planning/milestones/pre-v2.7-ROADMAP-history.md, /repo/.planning/milestones/v2.5-REQUIREMENTS.md and 122 more · reported by nerlo-install-instruction
241 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/spike-findings-rust-mcp-sdk/SKILL.md, /repo/.claude/skills/spike-findings-rust-mcp-sdk/sources/006-authoring-skills-server/skills/SKILL.md, /repo/.planning/spikes/006-authoring-skills-server/skills/SKILL.md and 238 more · reported by cisco-skill-scanner
237
The model could have called any of these a false positive and did not.
1 UNANALYZABLE_BINARY
Files: /repo/test_input.bin · reported by cisco-skill-scanner
116 The review budget for this scan was already spent before these findings were reached.
Rules: HIDDEN_DATA_FILE, MANIFEST_MISSING_LICENSE, SOCIAL_ENG_VAGUE_DESCRIPTION and 6 more · Files: /repo/.planning/milestones/v2.5-phases/86-shapes-b-c-d-scaffold-library-example-deploy/86-01-SUMMARY.md, /repo/.planning/milestones/v1.3-phases/19-ship-examples-and-playwright-e2e/19-RESEARCH.md, /repo/examples/skills/refunds/SKILL.md and 63 more · reported by cisco-skill-scanner, nerlo-install-instruction
67 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE · Files: /repo/.planning/milestones/v2.5-phases/90.2-openapi-built-in-server-advanced-example-contoso-m365-oauth-/90.2-01-PLAN.md, /repo/.planning/milestones/v1.3-phases/19-ship-examples-and-playwright-e2e/19-02-SUMMARY.md, /repo/.planning/milestones/v2.5-phases/90.2-openapi-built-in-server-advanced-example-contoso-m365-oauth-/90.2-01-SUMMARY.md and 64 more · reported by cisco-skill-scanner
18 The model did not answer for these findings.
Rules: AAK-GHA-IMMUTABLE-001 · Files: .github/workflows/course.yml, .github/workflows/quality-badges.yml, .github/workflows/pr-gate.yml and 9 more · reported by agent-audit-kit
Artifact contains critical command injection and secret exposure risks.
The artifact exhibits critical command injection vulnerabilities in `cargo-pmcp/src/commands/connect.rs` and other locations, allowing for shell execution. It also exposes secrets in `cargo-pmcp/src/commands/configure/add.rs` and `crates/pmcp-toolkit-athena/src/lib.rs`, which could lead to credential access. Additionally, Server-Side Request Forgery (SSRF) is present in `pmcp-macros/src/mcp_server.rs` and `src/server/mod.rs`, enabling network egress. High severity findings indicate further potential for shell execution and credential exposure.
Concern level assessed by the review: Critical. This is the review's scale, not the registry badge.
Reviewed by gemini-2.5-flash. The model sees the findings, not your code, and cannot change a score.
Files: /repo/SKILL.md, /repo/conformance/SKILL.md, /repo/pmcp-book/SKILL.md and 234 more · reported by cisco-skill-scanner
217 FILE_MAGIC_MISMATCH
Files: /repo/.planning/milestones/v2.6-phases/121-local-round-trip-e2e/121-01-PLAN.md, /repo/.planning/phases/121-local-round-trip-e2e/121-01-PLAN.md, /repo/.planning/milestones/v2.5-phases/83-toolkit-core-lift-pmcp-server-toolkit/83-01-SUMMARY.md and 53 more · reported by cisco-skill-scanner
73 YARA_capability_inflation_generic
Files: /repo/.planning/milestones/pre-v2.7-ROADMAP-history.md, /repo/.planning/milestones/v2.5-ROADMAP.md, /repo/.planning/milestones/v2.5-phases/64-secrets-deployment-integration/64-03-PLAN.md and 7 more · reported by cisco-skill-scanner
54 PIPELINE_TAINT_FLOW
Files: /repo/.planning/milestones/v2.5-phases/50-improve-binary-release/50-02-PLAN.md, /repo/pmcp-course/src/part1-foundations/ch02-01-setup.md, /repo/.planning/milestones/v2.5-phases/50-improve-binary-release/50-02-SUMMARY.md and 18 more · reported by cisco-skill-scanner
41 UNANALYZABLE_BINARY
Files: /repo/fuzz/corpus/fuzz_schema_draft_pin/15_dependencies_named_default, /repo/fuzz/corpus/fuzz_schema_draft_pin/16_all_of_embedded_legacy, /repo/crates/pmcp-server/deploy/cdk.out/asset.b79eb1c1da27470523c9fac713a2ab27e93064cbed27fe2d5da91e973811de43/bootstrap and 14 more · reported by cisco-skill-scanner
37 BINARY_FILE_DETECTED
Files: /repo/crates/pmcp-server/deploy/cdk.out/asset.b6910e9d54d0f1e2e6cd1406a123eac2b70a86047a6b8485036a3b49a01b1c24/bootstrap, /repo/fuzz/corpus/fuzz_schema_draft_pin/09_deeply_nested_object, /repo/fuzz/corpus/fuzz_schema_draft_pin/16_all_of_embedded_legacy and 12 more · reported by cisco-skill-scanner
27 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/.planning/milestones/pre-v2.7-ROADMAP-history.md, /repo/.planning/milestones/v2.0-ROADMAP.md, /repo/.planning/milestones/v2.5-ROADMAP.md and 17 more · reported by nerlo-install-instruction
26 AAK-MCP-DEPRECATED-001
Files: src/types/mrtr.rs, src/types/notifications.rs, src/types/roots.rs and 23 more · reported by agent-audit-kit
24 AAK-MCP-DEPRECATED-002
Files: .claude/skills/spike-findings-rust-mcp-sdk/sources/010-agent-instructions-from-skills/src/main.rs, src/types/mrtr.rs, src/server/peer_impl.rs and 21 more · reported by agent-audit-kit
20 MANIFEST_INVALID_NAME
Files: /repo/.planning/SKILL.md, /repo/cargo-pmcp/.planning/SKILL.md, /repo/.planning/milestones/v2.5-phases/118.1-close-the-nine-conformance-gaps-g-1-g-9-found-by-the-officia/SKILL.md and 17 more · reported by cisco-skill-scanner
18 AAK-MCP-DEPRECATED-003
Files: src/lib.rs, src/types/subscriptions.rs, src/types/notifications.rs and 15 more · reported by agent-audit-kit
17 AAK-IPI-WILD-CORPUS-001
Files: pmcp-course/src/part3-deployment/ch09-cloudflare.md, pmcp-course/src/part4-testing/ch11-local-testing.md, pmcp-course/src/part4-testing/ch11-02-mcp-tester.md and 14 more · reported by agent-audit-kit
17 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/.planning/milestones/v2.5-phases/118.1-close-the-nine-conformance-gaps-g-1-g-9-found-by-the-officia/118.1-13-SUMMARY.md, /repo/.planning/milestones/v2.5-phases/119-documentation-three-shapes-v2-migration/119-02-SUMMARY.md, /repo/.planning/milestones/v2.5-phases/65-examples-cleanup-protocol-accuracy/65-01-PLAN.md and 8 more · reported by nerlo-install-instruction
17 SECRET_CONNECTION_STRING
Files: /repo/pmcp-course/src/part3-deployment/ch10-01-containers.md, /repo/pmcp-course/src/part3-deployment/ch10-cloud-run.md, /repo/pmcp-course/src/part4-testing/ch11-02-mcp-tester.md and 4 more · reported by cisco-skill-scanner
16 AAK-SECRET-004
Files: src/types/auth.rs, src/server/request_state.rs, src/secrets/mod.rs and 10 more · reported by agent-audit-kit
12 AAK-HEALTHCARE-AI-004
Files: .planning/STATE.md, ai-agents/kiro/mcp-developer-power/steering/mcp-product.md, .planning/milestones/v2.5-ROADMAP.md and 9 more · reported by agent-audit-kit
12 YARA_coercive_injection_generic
Files: /repo/crates/pmcp-server/deploy/.build/bootstrap, /repo/crates/pmcp-server/deploy/cdk.out/asset.1bf0ba375092c7ae72564733c7cffd60bc1b7a2e24912e4d2102ffce3be17c81/bootstrap, /repo/crates/pmcp-server/deploy/cdk.out/asset.b6910e9d54d0f1e2e6cd1406a123eac2b70a86047a6b8485036a3b49a01b1c24/bootstrap and 3 more · reported by cisco-skill-scanner
10 AAK-TAINT-002
Files: crates/pmcp-server-toolkit/src/secrets.rs · reported by agent-audit-kit
10 YARA_embedded_elf_binary
Files: /repo/crates/pmcp-server/deploy/.build/bootstrap, /repo/crates/pmcp-server/deploy/cdk.out/asset.1bf0ba375092c7ae72564733c7cffd60bc1b7a2e24912e4d2102ffce3be17c81/bootstrap, /repo/crates/pmcp-server/deploy/cdk.out/asset.b6910e9d54d0f1e2e6cd1406a123eac2b70a86047a6b8485036a3b49a01b1c24/bootstrap and 2 more · reported by cisco-skill-scanner
8 DATA_EXFIL_JS_NETWORK
Files: /repo/cargo-pmcp/templates/landing/nextjs/lib/useLandingConfig.ts, /repo/packages/widget-runtime/src/hooks.ts, /repo/pmcp-course/src/theme/exercises.js · reported by cisco-skill-scanner
8 EXCESSIVE_FILE_COUNT
Files: /repo/crates/pmcp-workbook-compiler/., /repo/cargo-pmcp/., /repo/pmcp-course/src/. and 5 more · reported by cisco-skill-scanner
7 LOW_ANALYZABILITY
Files: /repo/cargo-pmcp/templates/landing, /repo/crates/mcp-preview, /repo/packages/widget-runtime and 4 more · reported by cisco-skill-scanner
6 COMMAND_INJECTION_JS_FUNCTION_CONSTRUCTOR
Files: /repo/pmcp-book/mermaid.min.js · reported by cisco-skill-scanner
6 opt.nerlo-rules.nerlo-install-fetch-raw-then-run
Files: /repo/ai-agents/README.md, /repo/crates/mcp-tester/README.md, /repo/install/install.ps1 and 1 more · reported by nerlo-install-instruction
6 PROMPT_INJECTION_IGNORE_INSTRUCTIONS
Files: /repo/pmcp-course/src/part2-design/ch05-01-input-validation.md, /repo/pmcp-course/src/part2-design/SKILL.md, /repo/.planning/milestones/v2.5-phases/62-mcp-pen-test/SKILL.md · reported by cisco-skill-scanner
6 YARA_command_injection_generic
Files: /repo/pmcp-course/src/part4-testing/ch11-01-inspector.md, /repo/pmcp-course/src/part4-testing/SKILL.md, /repo/scripts/run-conformance-suite.sh · reported by cisco-skill-scanner
5 YARA_credential_harvesting_generic
Files: /repo/.planning/milestones/v2.5-phases/113-stateless-http-multi-round-trip-elicitation/113-03-PLAN.md, /repo/src/server/request_state.rs · reported by cisco-skill-scanner
4 AAK-SECRET-003
Files: crates/pmcp-toolkit-athena/src/lib.rs, cargo-pmcp/src/commands/configure/add.rs · reported by agent-audit-kit
4 ARCHIVE_FILE_DETECTED
Files: /repo/cargo-pmcp/src/templates/workbook_bundle/tax-calc.xlsx, /repo/cargo-pmcp/src/templates/workbook_bundle/template.xlsx · reported by cisco-skill-scanner
4 COMPOUND_FETCH_EXECUTE
Files: /repo/pmcp-course/src/exercises/ch02/environment-setup.md · reported by cisco-skill-scanner
4 YARA_system_manipulation_generic
Files: /repo/.planning/milestones/v2.5-phases/116-auth-hardening-seps/116-13-SUMMARY.md · reported by cisco-skill-scanner
3 AAK-LEGAL-002
Files: conformance/package.json, crates/pmcp-server/deploy/package.json, cargo-pmcp/templates/landing/nextjs/package.json · reported by agent-audit-kit
3 PROMPT_INJECTION_REVEAL_SYSTEM
Files: /repo/.planning/milestones/v2.5-phases/62-mcp-pen-test/SKILL.md · reported by cisco-skill-scanner
3 SECRET_JWT_TOKEN
Files: /repo/pmcp-course/src/part5-security/ch13-03-validation.md, /repo/pmcp-course/src/part5-security/SKILL.md · reported by cisco-skill-scanner
2 AAK-MCP-APPS-001
Files: get-venue-map_ui.html, crates/mcp-preview/assets/index.html · reported by agent-audit-kit
2 AAK-MCP-SSRF-001
Files: crates/mcp-tester/src/tester.rs, cargo-pmcp/src/commands/deploy/init.rs · reported by agent-audit-kit
2 AAK-OAUTH-007
Files: contracts/mcp-protocol-sdk-v1.yaml, pmcp-course/src/quizzes/ch14-providers.toml · reported by agent-audit-kit
2 AAK-SSRF-001
Files: pmcp-macros/src/mcp_server.rs, src/server/mod.rs · reported by agent-audit-kit
2 AAK-SSRF-005
Files: pmcp-macros/src/mcp_server.rs, src/server/mod.rs · reported by agent-audit-kit
2 FIND_EXEC_PATTERN
Files: /repo/.planning/milestones/v2.5-phases/113-stateless-http-multi-round-trip-elicitation/SKILL.md, /repo/.planning/milestones/v2.5-phases/113-stateless-http-multi-round-trip-elicitation/deferred-items.md · reported by cisco-skill-scanner
2 LAZY_LOAD_DEEP_NESTING
Files: /repo/pmcp-course/src/part6-ai-dev/SKILL.md, /repo/pmcp-course/src/part1-foundations/SKILL.md · reported by cisco-skill-scanner
2 OVERSIZED_FILE
Files: /repo/crates/pmcp-server/deploy/cdk.out/asset.1bf0ba375092c7ae72564733c7cffd60bc1b7a2e24912e4d2102ffce3be17c81/bootstrap, /repo/.pmat/context.db · reported by cisco-skill-scanner
2 SECRET_GITHUB_TOKEN
Files: /repo/.planning/milestones/v2.5-phases/77-cargo-pmcp-configure-commands/SKILL.md · reported by cisco-skill-scanner
2 YARA_prompt_injection_unicode_steganography
Files: /repo/presentations/assets/chess-banner.png · reported by cisco-skill-scanner
1 AAK-MCP-018
Files: crates/pmcp-server/deploy/lib/stack.ts · reported by agent-audit-kit
1 AAK-MCP-APPS-002
Files: get-venue-map_ui.html · reported by agent-audit-kit
1 AAK-MCP-STDIO-CMD-INJ-004
Files: cargo-pmcp/src/commands/connect.rs · reported by agent-audit-kit
1 AAK-OAUTH-001
Files: contracts/mcp-protocol-sdk-v1.yaml · reported by agent-audit-kit
1 AAK-OAUTH-005
Files: pmcp-course/src/exercises/ch13/jwt-validation.ai.toml · reported by agent-audit-kit
1 AAK-OAUTH-008
Files: pmcp-course/src/exercises/ch13/jwt-validation.ai.toml · reported by agent-audit-kit
1 AAK-SECRET-008
Files: cargo-pmcp/src/commands/configure/add.rs · reported by agent-audit-kit
1 AAK-SUPPLY-004
Files: Cargo.toml · reported by agent-audit-kit
1 opt.nerlo-rules.nerlo-hardcoded-external-egress
Files: /repo/pmcp-course/src/theme/exercises.js · reported by nerlo-behavioral
1 SECRET_AWS_KEY
Files: /repo/.planning/milestones/v2.5-phases/77-cargo-pmcp-configure-commands/SKILL.md · reported by cisco-skill-scanner
1 SECRET_STRIPE_KEY
Files: /repo/.planning/milestones/v2.5-phases/77-cargo-pmcp-configure-commands/SKILL.md · reported by cisco-skill-scanner
Showing 25 of 169; the rest are in the per-scanner reports above.