{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-05T19:56:59.090Z","url":"https://verifymcp.io/servers/deschaker-forthling/forthling","markdownUrl":"https://verifymcp.io/servers/deschaker-forthling/forthling.md","server":{"slug":"deschaker-forthling","name":"forthling","registryName":"io.github.DeSchaker/forthling","description":"Run Forth-2012 in a sandbox: definitions stay between calls, each result shows the stacks.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"forthling","type":"mcpb","identifier":"https://github.com/DeSchaker/forthling/releases/download/v0.2.2/forthling.mcpb","withdrawn":false,"url":"https://verifymcp.io/servers/deschaker-forthling/forthling","version":null,"transport":"stdio","scoredAt":"2026-11-05T08:01:13.583Z"},"score":{"total":39,"tier":"low","status":"scored","weekDelta":null,"history":[{"date":"2026-11-05","total":39},{"date":"2026-11-04","total":40},{"date":"2026-11-03","total":39},{"date":"2026-11-02","total":39},{"date":"2026-11-01","total":38}]},"categories":[{"name":"Supply Chain Security","score":0,"verdict":"unverified","reasons":["No malware scan is available for this kind of package: the supply-chain vendors we use do not cover it. This is a permanent gap in our coverage, not a finding about the package.","Known CVEs could not be checked: we found no dependency list to check in this bundle: either it runs a compiled binary, whose bundled manifests we do not read, or none of the package.json, requirements.txt, pyproject.toml or uv.lock files it ships for its runtime declares a dependency we can read (a requirements.txt that only points at a setup.py project, a local path, or a nested requirements file we cannot follow counts as none).","Install-script risk not yet assessed.","Dependency health could not be checked: we found no dependency list to check in this bundle: either it runs a compiled binary, whose bundled manifests we do not read, or none of the package.json, requirements.txt, pyproject.toml or uv.lock files it ships for its runtime declares a dependency we can read (a requirements.txt that only points at a setup.py project, a local path, or a nested requirements file we cannot follow counts as none)."],"codes":[{"code":"supplychain.malware_inconclusive","args":{"reason":"ecosystem_unsupported"}},{"code":"cve.inconclusive","args":{"reason":"no_manifest_bundled"}},{"code":"installscript.inconclusive","args":{"reason":"no_install_concept"}},{"code":"dephealth.inconclusive","args":{"reason":"no_manifest_bundled"}}]},{"name":"Provenance & Transparency","score":45,"verdict":"fail","reasons":["Source repository is publicly reachable at the declared URL.","Provenance check failed: no build-provenance attestation is published.","Clear OSI-approved license (MIT).","Actively maintained (last published 2 days ago).","Security-disclosure policy not yet verified: we couldn't inspect the source repository."],"codes":[{"code":"provenance.repo_verified","args":{}},{"code":"provenance.none","args":{}},{"code":"license.osi","args":{"spdx":"MIT"}},{"code":"maintenance.recent","args":{"age_days":"2"}},{"code":"disclosure.repo_inconclusive","args":{"reason":"repo_unreachable"}}]},{"name":"Schema Quality & AI Usability","score":59,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 1236 tokens (~309/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"309","items":"4","tools":"4","tokens":"1236","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":13,"verdict":"partial","reasons":["Stability observed for 4 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"4"}}]},{"name":"Tool Coverage","score":100,"verdict":"pass","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","100% of tool parameters carry a description.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}},{"code":"toolquality.output_present","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","All 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation.","An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_declared","args":{"pct":"100","annotated":"1","destructive":"1"}},{"code":"toolsafety.manipulation_clean","args":{"units":"5","judged":"5"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28."],"codes":[{"code":"protocol.supported","args":{"latest":"2026-07-28","version":"2025-11-25"}}]}],"inconclusive":["No malware scan is available for this kind of package: the supply-chain vendors we use do not cover it. This is a permanent gap in our coverage, not a finding about the package.","Known CVEs could not be checked: we found no dependency list to check in this bundle: either it runs a compiled binary, whose bundled manifests we do not read, or none of the package.json, requirements.txt, pyproject.toml or uv.lock files it ships for its runtime declares a dependency we can read (a requirements.txt that only points at a setup.py project, a local path, or a nested requirements file we cannot follow counts as none).","Install-script risk not yet assessed.","Dependency health could not be checked: we found no dependency list to check in this bundle: either it runs a compiled binary, whose bundled manifests we do not read, or none of the package.json, requirements.txt, pyproject.toml or uv.lock files it ships for its runtime declares a dependency we can read (a requirements.txt that only points at a setup.py project, a local path, or a nested requirements file we cannot follow counts as none).","Security-disclosure policy not yet verified: we couldn't inspect the source repository."],"malware":[],"components":[{"slug":"forthling","type":"mcpb","identifier":"https://github.com/DeSchaker/forthling/releases/download/v0.2.2/forthling.mcpb","withdrawn":false,"score":39,"current":true,"url":"https://verifymcp.io/servers/deschaker-forthling/forthling","markdownUrl":"https://verifymcp.io/servers/deschaker-forthling/forthling.md"}],"facts":[{"label":"Registry","value":"mcpb"},{"label":"Package","value":"https://github.com/DeSchaker/forthling/releases/download/v0.2.2/forthling.mcpb"},{"label":"Transport","value":"stdio"},{"label":"SHA-256","value":"be6c2a6c830023814538231a02a5eca7b91dcbe7ea3c5af778d372939830a6f9"}],"install":{"available":true,"bundleSha256":"be6c2a6c830023814538231a02a5eca7b91dcbe7ea3c5af778d372939830a6f9"},"tools":[{"name":"forth_eval","title":"Run Forth","description":"Runs Forth-2012 code in the session and returns what it printed, the data stack and the float stack, and the error if there was one. 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The files are in mem…"},{"name":"trace","type":"boolean","required":false,"description":"If true, the result also gives a trace: each word that ran (not inside the built-in words), with how deep it was nested and the data stack when it started; at most 1000 words. For finding where code…"}],"outputs":[{"name":"breaks","type":"array","required":false,"description":"forth_eval only, when BREAK ran: what the program looked like at each BREAK (ALSO DEBUG), at most 100; BREAK does not stop the program"},{"name":"breaks_dropped","type":"integer","required":false,"description":"the BREAKs past the first 100"},{"name":"compiling","type":"boolean","required":true,"description":"whether a colon definition is still open"},{"name":"error","type":"object|null","required":true,"description":null},{"name":"fstack","type":"array","required":true,"description":"the float stack, the top last"},{"name":"max_depth","type":"integer","required":false,"description":"forth_eval only: the deepest the data stack was during this call"},{"name":"output","type":"string","required":true,"description":"what the code printed"},{"name":"stack","type":"array","required":true,"description":"the data stack, the top 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out"}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":34}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T08:01:13.000Z","track":"package","endpoint":null,"declaredUrl":null,"truncated":false,"tls":null,"dnssec":null,"auth":null,"httpsRedirect":null,"transports":[],"provenance":{"outcome":"none","label":"No attestation","reason":"no_attestation","reasonLabel":"No attestation published","discovery":null,"discoveryLabel":null,"sourceRepo":null,"attestationSkipped":null,"attestationSkippedLabel":null},"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-11-01","recent":[{"id":"chg_01a1aab9-eb83-7999-b609-e8da7616d3e7","kind":"check.unverifiable","summary":"Security disclosure (pass → 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39)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/deschaker-forthling/forthling#chg-chg_01a19ad9-6f56-7a50-bdf0-354d2a36756f"},{"id":"chg_01a198b4-33a2-7727-a929-7ab41a5b7cf8","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/deschaker-forthling/forthling#chg-chg_01a198b4-33a2-7727-a929-7ab41a5b7cf8"},{"id":"chg_01a196b7-9f18-7805-9182-56b787edf7cd","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/deschaker-forthling/forthling#chg-chg_01a196b7-9f18-7805-9182-56b787edf7cd"},{"id":"chg_01a19690-e7df-781e-bbdd-a982a8ddc453","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/deschaker-forthling/forthling#chg-chg_01a19690-e7df-781e-bbdd-a982a8ddc453"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/deschaker-forthling/forthling/changelog.json"},"links":{"html":"https://verifymcp.io/servers/deschaker-forthling/forthling","markdown":"https://verifymcp.io/servers/deschaker-forthling/forthling.md","changelogJson":"https://verifymcp.io/servers/deschaker-forthling/forthling/changelog.json","changelogRss":"https://verifymcp.io/servers/deschaker-forthling/forthling.xml","external":[{"label":"Repository","href":"https://github.com/DeSchaker/forthling"},{"label":"Website","href":"https://deschaker.github.io/forthling/"}]}}